mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-05 05:20:37 +02:00
d7e87bd7cb
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11945 3c298f89-4303-0410-b956-a3cf2f4a3e73
8703 lines
248 KiB
Diff
8703 lines
248 KiB
Diff
--- a/crypto/Kconfig
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+++ b/crypto/Kconfig
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@@ -65,6 +65,7 @@
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config CRYPTO_CRYPTD
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tristate "Software async crypto daemon"
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select CRYPTO_BLKCIPHER
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+ select CRYPTO_HASH
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select CRYPTO_MANAGER
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help
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This is a generic software asynchronous crypto daemon that
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@@ -212,7 +213,7 @@
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config CRYPTO_CRC32C
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tristate "CRC32c CRC algorithm"
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- select CRYPTO_ALGAPI
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+ select CRYPTO_HASH
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select LIBCRC32C
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help
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Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
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@@ -241,6 +242,57 @@
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should not be used for other purposes because of the weakness
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of the algorithm.
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+config CRYPTO_RMD128
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+ tristate "RIPEMD-128 digest algorithm"
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+ select CRYPTO_ALGAPI
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+ help
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+ RIPEMD-128 (ISO/IEC 10118-3:2004).
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+
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+ RIPEMD-128 is a 128-bit cryptographic hash function. It should only
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+ to be used as a secure replacement for RIPEMD. For other use cases
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+ RIPEMD-160 should be used.
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+
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+ Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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+ See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
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+
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+config CRYPTO_RMD160
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+ tristate "RIPEMD-160 digest algorithm"
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+ select CRYPTO_ALGAPI
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+ help
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+ RIPEMD-160 (ISO/IEC 10118-3:2004).
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+
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+ RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
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+ to be used as a secure replacement for the 128-bit hash functions
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+ MD4, MD5 and it's predecessor RIPEMD (not to be confused with RIPEMD-128).
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+
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+ It's speed is comparable to SHA1 and there are no known attacks against
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+ RIPEMD-160.
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+
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+ Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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+ See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
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+
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+config CRYPTO_RMD256
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+ tristate "RIPEMD-256 digest algorithm"
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+ select CRYPTO_ALGAPI
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+ help
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+ RIPEMD-256 is an optional extension of RIPEMD-128 with a 256 bit hash.
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+ It is intended for applications that require longer hash-results, without
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+ needing a larger security level (than RIPEMD-128).
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+
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+ Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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+ See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
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+
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+config CRYPTO_RMD320
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+ tristate "RIPEMD-320 digest algorithm"
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+ select CRYPTO_ALGAPI
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+ help
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+ RIPEMD-320 is an optional extension of RIPEMD-160 with a 320 bit hash.
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+ It is intended for applications that require longer hash-results, without
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+ needing a larger security level (than RIPEMD-160).
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+
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+ Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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+ See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
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+
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config CRYPTO_SHA1
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tristate "SHA1 digest algorithm"
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select CRYPTO_ALGAPI
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@@ -614,6 +666,15 @@
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help
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This is the LZO algorithm.
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+comment "Random Number Generation"
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+
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+config CRYPTO_PRNG
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+ tristate "Pseudo Random Number Generation for Cryptographic modules"
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+ help
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+ This option enables the generic pseudo random number generator
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+ for cryptographic modules. Uses the Algorithm specified in
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+ ANSI X9.31 A.2.4
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+
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source "drivers/crypto/Kconfig"
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endif # if CRYPTO
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--- a/crypto/Makefile
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+++ b/crypto/Makefile
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@@ -19,6 +19,7 @@
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obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
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crypto_hash-objs := hash.o
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+crypto_hash-objs += ahash.o
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obj-$(CONFIG_CRYPTO_HASH) += crypto_hash.o
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obj-$(CONFIG_CRYPTO_MANAGER) += cryptomgr.o
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@@ -27,6 +28,10 @@
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obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o
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obj-$(CONFIG_CRYPTO_MD4) += md4.o
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obj-$(CONFIG_CRYPTO_MD5) += md5.o
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+obj-$(CONFIG_CRYPTO_RMD128) += rmd128.o
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+obj-$(CONFIG_CRYPTO_RMD160) += rmd160.o
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+obj-$(CONFIG_CRYPTO_RMD256) += rmd256.o
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+obj-$(CONFIG_CRYPTO_RMD320) += rmd320.o
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obj-$(CONFIG_CRYPTO_SHA1) += sha1_generic.o
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obj-$(CONFIG_CRYPTO_SHA256) += sha256_generic.o
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obj-$(CONFIG_CRYPTO_SHA512) += sha512_generic.o
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@@ -64,7 +69,7 @@
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obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o
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obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o
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obj-$(CONFIG_CRYPTO_LZO) += lzo.o
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-
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+obj-$(CONFIG_CRYPTO_PRNG) += prng.o
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obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
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#
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--- /dev/null
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+++ b/crypto/ahash.c
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@@ -0,0 +1,194 @@
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+/*
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+ * Asynchronous Cryptographic Hash operations.
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+ *
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+ * This is the asynchronous version of hash.c with notification of
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+ * completion via a callback.
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+ *
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+ * Copyright (c) 2008 Loc Ho <lho@amcc.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the Free
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+ * Software Foundation; either version 2 of the License, or (at your option)
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+ * any later version.
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+ *
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+ */
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+
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+#include <crypto/internal/hash.h>
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+#include <crypto/scatterwalk.h>
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+#include <linux/err.h>
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+#include <linux/sched.h>
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+#include <linux/slab.h>
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+#include <linux/seq_file.h>
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+
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+#include "internal.h"
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+
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+static int hash_walk_next(struct crypto_hash_walk *walk)
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+{
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+ unsigned int alignmask = walk->alignmask;
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+ unsigned int offset = walk->offset;
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+ unsigned int nbytes = min(walk->entrylen,
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+ ((unsigned int)(PAGE_SIZE)) - offset);
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+
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+ walk->data = crypto_kmap(walk->pg, 0);
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+ walk->data += offset;
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+
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+ if (offset & alignmask)
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+ nbytes = alignmask + 1 - (offset & alignmask);
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+
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+ walk->entrylen -= nbytes;
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+ return nbytes;
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+}
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+
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+static int hash_walk_new_entry(struct crypto_hash_walk *walk)
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+{
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+ struct scatterlist *sg;
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+
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+ sg = walk->sg;
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+ walk->pg = sg_page(sg);
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+ walk->offset = sg->offset;
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+ walk->entrylen = sg->length;
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+
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+ if (walk->entrylen > walk->total)
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+ walk->entrylen = walk->total;
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+ walk->total -= walk->entrylen;
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+
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+ return hash_walk_next(walk);
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+}
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+
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+int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
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+{
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+ unsigned int alignmask = walk->alignmask;
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+ unsigned int nbytes = walk->entrylen;
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+
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+ walk->data -= walk->offset;
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+
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+ if (nbytes && walk->offset & alignmask && !err) {
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+ walk->offset += alignmask - 1;
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+ walk->offset = ALIGN(walk->offset, alignmask + 1);
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+ walk->data += walk->offset;
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+
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+ nbytes = min(nbytes,
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+ ((unsigned int)(PAGE_SIZE)) - walk->offset);
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+ walk->entrylen -= nbytes;
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+
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+ return nbytes;
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+ }
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+
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+ crypto_kunmap(walk->data, 0);
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+ crypto_yield(walk->flags);
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+
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+ if (err)
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+ return err;
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+
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+ walk->offset = 0;
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+
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+ if (nbytes)
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+ return hash_walk_next(walk);
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+
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+ if (!walk->total)
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+ return 0;
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+
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+ walk->sg = scatterwalk_sg_next(walk->sg);
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+
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+ return hash_walk_new_entry(walk);
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+}
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+EXPORT_SYMBOL_GPL(crypto_hash_walk_done);
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+
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+int crypto_hash_walk_first(struct ahash_request *req,
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+ struct crypto_hash_walk *walk)
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+{
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+ walk->total = req->nbytes;
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+
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+ if (!walk->total)
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+ return 0;
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+
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+ walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));
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+ walk->sg = req->src;
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+ walk->flags = req->base.flags;
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+
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+ return hash_walk_new_entry(walk);
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+}
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+EXPORT_SYMBOL_GPL(crypto_hash_walk_first);
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+
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+static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
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+ unsigned int keylen)
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+{
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+ struct ahash_alg *ahash = crypto_ahash_alg(tfm);
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+ unsigned long alignmask = crypto_ahash_alignmask(tfm);
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+ int ret;
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+ u8 *buffer, *alignbuffer;
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+ unsigned long absize;
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+
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+ absize = keylen + alignmask;
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+ buffer = kmalloc(absize, GFP_ATOMIC);
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+ if (!buffer)
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+ return -ENOMEM;
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+
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+ alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
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+ memcpy(alignbuffer, key, keylen);
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+ ret = ahash->setkey(tfm, alignbuffer, keylen);
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+ memset(alignbuffer, 0, keylen);
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+ kfree(buffer);
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+ return ret;
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+}
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+
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+static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
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+ unsigned int keylen)
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+{
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+ struct ahash_alg *ahash = crypto_ahash_alg(tfm);
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+ unsigned long alignmask = crypto_ahash_alignmask(tfm);
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+
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+ if ((unsigned long)key & alignmask)
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+ return ahash_setkey_unaligned(tfm, key, keylen);
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+
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+ return ahash->setkey(tfm, key, keylen);
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+}
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+
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+static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type,
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+ u32 mask)
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+{
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+ return alg->cra_ctxsize;
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+}
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+
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+static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
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+{
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+ struct ahash_alg *alg = &tfm->__crt_alg->cra_ahash;
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+ struct ahash_tfm *crt = &tfm->crt_ahash;
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+
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+ if (alg->digestsize > PAGE_SIZE / 8)
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+ return -EINVAL;
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+
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+ crt->init = alg->init;
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+ crt->update = alg->update;
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+ crt->final = alg->final;
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+ crt->digest = alg->digest;
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+ crt->setkey = ahash_setkey;
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+ crt->digestsize = alg->digestsize;
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+
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+ return 0;
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+}
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+
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+static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
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+ __attribute__ ((unused));
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+static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
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+{
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+ seq_printf(m, "type : ahash\n");
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+ seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
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+ "yes" : "no");
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+ seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
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+ seq_printf(m, "digestsize : %u\n", alg->cra_hash.digestsize);
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+}
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+
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+const struct crypto_type crypto_ahash_type = {
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+ .ctxsize = crypto_ahash_ctxsize,
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+ .init = crypto_init_ahash_ops,
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+#ifdef CONFIG_PROC_FS
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+ .show = crypto_ahash_show,
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+#endif
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+};
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+EXPORT_SYMBOL_GPL(crypto_ahash_type);
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+
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+MODULE_LICENSE("GPL");
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+MODULE_DESCRIPTION("Asynchronous cryptographic hash type");
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--- a/crypto/api.c
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+++ b/crypto/api.c
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@@ -235,8 +235,12 @@
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return crypto_init_cipher_ops(tfm);
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case CRYPTO_ALG_TYPE_DIGEST:
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- return crypto_init_digest_ops(tfm);
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-
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+ if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) !=
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+ CRYPTO_ALG_TYPE_HASH_MASK)
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+ return crypto_init_digest_ops_async(tfm);
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+ else
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+ return crypto_init_digest_ops(tfm);
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+
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case CRYPTO_ALG_TYPE_COMPRESS:
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return crypto_init_compress_ops(tfm);
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--- a/crypto/camellia.c
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+++ b/crypto/camellia.c
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@@ -35,6 +35,8 @@
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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+#include <linux/bitops.h>
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+#include <asm/unaligned.h>
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static const u32 camellia_sp1110[256] = {
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0x70707000,0x82828200,0x2c2c2c00,0xececec00,
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@@ -335,20 +337,6 @@
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/*
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* macros
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*/
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-#define GETU32(v, pt) \
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- do { \
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- /* latest breed of gcc is clever enough to use move */ \
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- memcpy(&(v), (pt), 4); \
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- (v) = be32_to_cpu(v); \
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- } while(0)
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-
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-/* rotation right shift 1byte */
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-#define ROR8(x) (((x) >> 8) + ((x) << 24))
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-/* rotation left shift 1bit */
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-#define ROL1(x) (((x) << 1) + ((x) >> 31))
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-/* rotation left shift 1byte */
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-#define ROL8(x) (((x) << 8) + ((x) >> 24))
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-
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#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
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do { \
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w0 = ll; \
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@@ -383,7 +371,7 @@
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^ camellia_sp3033[(u8)(il >> 8)] \
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^ camellia_sp4404[(u8)(il )]; \
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yl ^= yr; \
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- yr = ROR8(yr); \
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+ yr = ror32(yr, 8); \
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yr ^= yl; \
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} while(0)
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@@ -405,7 +393,7 @@
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subL[7] ^= subL[1]; subR[7] ^= subR[1];
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subL[1] ^= subR[1] & ~subR[9];
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dw = subL[1] & subL[9],
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- subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */
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+ subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */
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/* round 8 */
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subL[11] ^= subL[1]; subR[11] ^= subR[1];
|
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/* round 10 */
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@@ -414,7 +402,7 @@
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subL[15] ^= subL[1]; subR[15] ^= subR[1];
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subL[1] ^= subR[1] & ~subR[17];
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dw = subL[1] & subL[17],
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- subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */
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+ subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */
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/* round 14 */
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subL[19] ^= subL[1]; subR[19] ^= subR[1];
|
|
/* round 16 */
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@@ -430,7 +418,7 @@
|
|
} else {
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subL[1] ^= subR[1] & ~subR[25];
|
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dw = subL[1] & subL[25],
|
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- subR[1] ^= ROL1(dw); /* modified for FLinv(kl6) */
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+ subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */
|
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/* round 20 */
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subL[27] ^= subL[1]; subR[27] ^= subR[1];
|
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/* round 22 */
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@@ -450,7 +438,7 @@
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subL[26] ^= kw4l; subR[26] ^= kw4r;
|
|
kw4l ^= kw4r & ~subR[24];
|
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dw = kw4l & subL[24],
|
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- kw4r ^= ROL1(dw); /* modified for FL(kl5) */
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+ kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */
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}
|
|
/* round 17 */
|
|
subL[22] ^= kw4l; subR[22] ^= kw4r;
|
|
@@ -460,7 +448,7 @@
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|
subL[18] ^= kw4l; subR[18] ^= kw4r;
|
|
kw4l ^= kw4r & ~subR[16];
|
|
dw = kw4l & subL[16],
|
|
- kw4r ^= ROL1(dw); /* modified for FL(kl3) */
|
|
+ kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */
|
|
/* round 11 */
|
|
subL[14] ^= kw4l; subR[14] ^= kw4r;
|
|
/* round 9 */
|
|
@@ -469,7 +457,7 @@
|
|
subL[10] ^= kw4l; subR[10] ^= kw4r;
|
|
kw4l ^= kw4r & ~subR[8];
|
|
dw = kw4l & subL[8],
|
|
- kw4r ^= ROL1(dw); /* modified for FL(kl1) */
|
|
+ kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */
|
|
/* round 5 */
|
|
subL[6] ^= kw4l; subR[6] ^= kw4r;
|
|
/* round 3 */
|
|
@@ -494,7 +482,7 @@
|
|
SUBKEY_R(6) = subR[5] ^ subR[7];
|
|
tl = subL[10] ^ (subR[10] & ~subR[8]);
|
|
dw = tl & subL[8], /* FL(kl1) */
|
|
- tr = subR[10] ^ ROL1(dw);
|
|
+ tr = subR[10] ^ rol32(dw, 1);
|
|
SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */
|
|
SUBKEY_R(7) = subR[6] ^ tr;
|
|
SUBKEY_L(8) = subL[8]; /* FL(kl1) */
|
|
@@ -503,7 +491,7 @@
|
|
SUBKEY_R(9) = subR[9];
|
|
tl = subL[7] ^ (subR[7] & ~subR[9]);
|
|
dw = tl & subL[9], /* FLinv(kl2) */
|
|
- tr = subR[7] ^ ROL1(dw);
|
|
+ tr = subR[7] ^ rol32(dw, 1);
|
|
SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */
|
|
SUBKEY_R(10) = tr ^ subR[11];
|
|
SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */
|
|
@@ -516,7 +504,7 @@
|
|
SUBKEY_R(14) = subR[13] ^ subR[15];
|
|
tl = subL[18] ^ (subR[18] & ~subR[16]);
|
|
dw = tl & subL[16], /* FL(kl3) */
|
|
- tr = subR[18] ^ ROL1(dw);
|
|
+ tr = subR[18] ^ rol32(dw, 1);
|
|
SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */
|
|
SUBKEY_R(15) = subR[14] ^ tr;
|
|
SUBKEY_L(16) = subL[16]; /* FL(kl3) */
|
|
@@ -525,7 +513,7 @@
|
|
SUBKEY_R(17) = subR[17];
|
|
tl = subL[15] ^ (subR[15] & ~subR[17]);
|
|
dw = tl & subL[17], /* FLinv(kl4) */
|
|
- tr = subR[15] ^ ROL1(dw);
|
|
+ tr = subR[15] ^ rol32(dw, 1);
|
|
SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */
|
|
SUBKEY_R(18) = tr ^ subR[19];
|
|
SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */
|
|
@@ -544,7 +532,7 @@
|
|
} else {
|
|
tl = subL[26] ^ (subR[26] & ~subR[24]);
|
|
dw = tl & subL[24], /* FL(kl5) */
|
|
- tr = subR[26] ^ ROL1(dw);
|
|
+ tr = subR[26] ^ rol32(dw, 1);
|
|
SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */
|
|
SUBKEY_R(23) = subR[22] ^ tr;
|
|
SUBKEY_L(24) = subL[24]; /* FL(kl5) */
|
|
@@ -553,7 +541,7 @@
|
|
SUBKEY_R(25) = subR[25];
|
|
tl = subL[23] ^ (subR[23] & ~subR[25]);
|
|
dw = tl & subL[25], /* FLinv(kl6) */
|
|
- tr = subR[23] ^ ROL1(dw);
|
|
+ tr = subR[23] ^ rol32(dw, 1);
|
|
SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */
|
|
SUBKEY_R(26) = tr ^ subR[27];
|
|
SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */
|
|
@@ -573,17 +561,17 @@
|
|
/* apply the inverse of the last half of P-function */
|
|
i = 2;
|
|
do {
|
|
- dw = SUBKEY_L(i + 0) ^ SUBKEY_R(i + 0); dw = ROL8(dw);/* round 1 */
|
|
+ dw = SUBKEY_L(i + 0) ^ SUBKEY_R(i + 0); dw = rol32(dw, 8);/* round 1 */
|
|
SUBKEY_R(i + 0) = SUBKEY_L(i + 0) ^ dw; SUBKEY_L(i + 0) = dw;
|
|
- dw = SUBKEY_L(i + 1) ^ SUBKEY_R(i + 1); dw = ROL8(dw);/* round 2 */
|
|
+ dw = SUBKEY_L(i + 1) ^ SUBKEY_R(i + 1); dw = rol32(dw, 8);/* round 2 */
|
|
SUBKEY_R(i + 1) = SUBKEY_L(i + 1) ^ dw; SUBKEY_L(i + 1) = dw;
|
|
- dw = SUBKEY_L(i + 2) ^ SUBKEY_R(i + 2); dw = ROL8(dw);/* round 3 */
|
|
+ dw = SUBKEY_L(i + 2) ^ SUBKEY_R(i + 2); dw = rol32(dw, 8);/* round 3 */
|
|
SUBKEY_R(i + 2) = SUBKEY_L(i + 2) ^ dw; SUBKEY_L(i + 2) = dw;
|
|
- dw = SUBKEY_L(i + 3) ^ SUBKEY_R(i + 3); dw = ROL8(dw);/* round 4 */
|
|
+ dw = SUBKEY_L(i + 3) ^ SUBKEY_R(i + 3); dw = rol32(dw, 8);/* round 4 */
|
|
SUBKEY_R(i + 3) = SUBKEY_L(i + 3) ^ dw; SUBKEY_L(i + 3) = dw;
|
|
- dw = SUBKEY_L(i + 4) ^ SUBKEY_R(i + 4); dw = ROL8(dw);/* round 5 */
|
|
+ dw = SUBKEY_L(i + 4) ^ SUBKEY_R(i + 4); dw = rol32(dw, 9);/* round 5 */
|
|
SUBKEY_R(i + 4) = SUBKEY_L(i + 4) ^ dw; SUBKEY_L(i + 4) = dw;
|
|
- dw = SUBKEY_L(i + 5) ^ SUBKEY_R(i + 5); dw = ROL8(dw);/* round 6 */
|
|
+ dw = SUBKEY_L(i + 5) ^ SUBKEY_R(i + 5); dw = rol32(dw, 8);/* round 6 */
|
|
SUBKEY_R(i + 5) = SUBKEY_L(i + 5) ^ dw; SUBKEY_L(i + 5) = dw;
|
|
i += 8;
|
|
} while (i < max);
|
|
@@ -599,10 +587,10 @@
|
|
/**
|
|
* k == kll || klr || krl || krr (|| is concatenation)
|
|
*/
|
|
- GETU32(kll, key );
|
|
- GETU32(klr, key + 4);
|
|
- GETU32(krl, key + 8);
|
|
- GETU32(krr, key + 12);
|
|
+ kll = get_unaligned_be32(key);
|
|
+ klr = get_unaligned_be32(key + 4);
|
|
+ krl = get_unaligned_be32(key + 8);
|
|
+ krr = get_unaligned_be32(key + 12);
|
|
|
|
/* generate KL dependent subkeys */
|
|
/* kw1 */
|
|
@@ -707,14 +695,14 @@
|
|
* key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
|
|
* (|| is concatenation)
|
|
*/
|
|
- GETU32(kll, key );
|
|
- GETU32(klr, key + 4);
|
|
- GETU32(krl, key + 8);
|
|
- GETU32(krr, key + 12);
|
|
- GETU32(krll, key + 16);
|
|
- GETU32(krlr, key + 20);
|
|
- GETU32(krrl, key + 24);
|
|
- GETU32(krrr, key + 28);
|
|
+ kll = get_unaligned_be32(key);
|
|
+ klr = get_unaligned_be32(key + 4);
|
|
+ krl = get_unaligned_be32(key + 8);
|
|
+ krr = get_unaligned_be32(key + 12);
|
|
+ krll = get_unaligned_be32(key + 16);
|
|
+ krlr = get_unaligned_be32(key + 20);
|
|
+ krrl = get_unaligned_be32(key + 24);
|
|
+ krrr = get_unaligned_be32(key + 28);
|
|
|
|
/* generate KL dependent subkeys */
|
|
/* kw1 */
|
|
@@ -870,13 +858,13 @@
|
|
t0 &= ll; \
|
|
t2 |= rr; \
|
|
rl ^= t2; \
|
|
- lr ^= ROL1(t0); \
|
|
+ lr ^= rol32(t0, 1); \
|
|
t3 = krl; \
|
|
t1 = klr; \
|
|
t3 &= rl; \
|
|
t1 |= lr; \
|
|
ll ^= t1; \
|
|
- rr ^= ROL1(t3); \
|
|
+ rr ^= rol32(t3, 1); \
|
|
} while(0)
|
|
|
|
#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) \
|
|
@@ -892,7 +880,7 @@
|
|
il ^= kl; \
|
|
ir ^= il ^ kr; \
|
|
yl ^= ir; \
|
|
- yr ^= ROR8(il) ^ ir; \
|
|
+ yr ^= ror32(il, 8) ^ ir; \
|
|
} while(0)
|
|
|
|
/* max = 24: 128bit encrypt, max = 32: 256bit encrypt */
|
|
--- a/crypto/crc32c.c
|
|
+++ b/crypto/crc32c.c
|
|
@@ -1,24 +1,27 @@
|
|
-/*
|
|
+/*
|
|
* Cryptographic API.
|
|
*
|
|
* CRC32C chksum
|
|
*
|
|
* This module file is a wrapper to invoke the lib/crc32c routines.
|
|
*
|
|
+ * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
|
|
+ *
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
- * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
*/
|
|
+
|
|
+#include <crypto/internal/hash.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/string.h>
|
|
-#include <linux/crypto.h>
|
|
#include <linux/crc32c.h>
|
|
#include <linux/kernel.h>
|
|
|
|
-#define CHKSUM_BLOCK_SIZE 32
|
|
+#define CHKSUM_BLOCK_SIZE 1
|
|
#define CHKSUM_DIGEST_SIZE 4
|
|
|
|
struct chksum_ctx {
|
|
@@ -27,7 +30,7 @@
|
|
};
|
|
|
|
/*
|
|
- * Steps through buffer one byte at at time, calculates reflected
|
|
+ * Steps through buffer one byte at at time, calculates reflected
|
|
* crc using table.
|
|
*/
|
|
|
|
@@ -67,11 +70,11 @@
|
|
static void chksum_final(struct crypto_tfm *tfm, u8 *out)
|
|
{
|
|
struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
|
|
-
|
|
+
|
|
*(__le32 *)out = ~cpu_to_le32(mctx->crc);
|
|
}
|
|
|
|
-static int crc32c_cra_init(struct crypto_tfm *tfm)
|
|
+static int crc32c_cra_init_old(struct crypto_tfm *tfm)
|
|
{
|
|
struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
|
|
|
|
@@ -79,14 +82,14 @@
|
|
return 0;
|
|
}
|
|
|
|
-static struct crypto_alg alg = {
|
|
+static struct crypto_alg old_alg = {
|
|
.cra_name = "crc32c",
|
|
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
|
|
.cra_blocksize = CHKSUM_BLOCK_SIZE,
|
|
.cra_ctxsize = sizeof(struct chksum_ctx),
|
|
.cra_module = THIS_MODULE,
|
|
- .cra_list = LIST_HEAD_INIT(alg.cra_list),
|
|
- .cra_init = crc32c_cra_init,
|
|
+ .cra_list = LIST_HEAD_INIT(old_alg.cra_list),
|
|
+ .cra_init = crc32c_cra_init_old,
|
|
.cra_u = {
|
|
.digest = {
|
|
.dia_digestsize= CHKSUM_DIGEST_SIZE,
|
|
@@ -98,14 +101,125 @@
|
|
}
|
|
};
|
|
|
|
+/*
|
|
+ * Setting the seed allows arbitrary accumulators and flexible XOR policy
|
|
+ * If your algorithm starts with ~0, then XOR with ~0 before you set
|
|
+ * the seed.
|
|
+ */
|
|
+static int crc32c_setkey(struct crypto_ahash *hash, const u8 *key,
|
|
+ unsigned int keylen)
|
|
+{
|
|
+ u32 *mctx = crypto_ahash_ctx(hash);
|
|
+
|
|
+ if (keylen != sizeof(u32)) {
|
|
+ crypto_ahash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ *mctx = le32_to_cpup((__le32 *)key);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int crc32c_init(struct ahash_request *req)
|
|
+{
|
|
+ u32 *mctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
|
|
+ u32 *crcp = ahash_request_ctx(req);
|
|
+
|
|
+ *crcp = *mctx;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int crc32c_update(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_hash_walk walk;
|
|
+ u32 *crcp = ahash_request_ctx(req);
|
|
+ u32 crc = *crcp;
|
|
+ int nbytes;
|
|
+
|
|
+ for (nbytes = crypto_hash_walk_first(req, &walk); nbytes;
|
|
+ nbytes = crypto_hash_walk_done(&walk, 0))
|
|
+ crc = crc32c(crc, walk.data, nbytes);
|
|
+
|
|
+ *crcp = crc;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int crc32c_final(struct ahash_request *req)
|
|
+{
|
|
+ u32 *crcp = ahash_request_ctx(req);
|
|
+
|
|
+ *(__le32 *)req->result = ~cpu_to_le32p(crcp);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int crc32c_digest(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_hash_walk walk;
|
|
+ u32 *mctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
|
|
+ u32 crc = *mctx;
|
|
+ int nbytes;
|
|
+
|
|
+ for (nbytes = crypto_hash_walk_first(req, &walk); nbytes;
|
|
+ nbytes = crypto_hash_walk_done(&walk, 0))
|
|
+ crc = crc32c(crc, walk.data, nbytes);
|
|
+
|
|
+ *(__le32 *)req->result = ~cpu_to_le32(crc);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int crc32c_cra_init(struct crypto_tfm *tfm)
|
|
+{
|
|
+ u32 *key = crypto_tfm_ctx(tfm);
|
|
+
|
|
+ *key = ~0;
|
|
+
|
|
+ tfm->crt_ahash.reqsize = sizeof(u32);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct crypto_alg alg = {
|
|
+ .cra_name = "crc32c",
|
|
+ .cra_driver_name = "crc32c-generic",
|
|
+ .cra_priority = 100,
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH,
|
|
+ .cra_blocksize = CHKSUM_BLOCK_SIZE,
|
|
+ .cra_alignmask = 3,
|
|
+ .cra_ctxsize = sizeof(u32),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
|
|
+ .cra_init = crc32c_cra_init,
|
|
+ .cra_type = &crypto_ahash_type,
|
|
+ .cra_u = {
|
|
+ .ahash = {
|
|
+ .digestsize = CHKSUM_DIGEST_SIZE,
|
|
+ .setkey = crc32c_setkey,
|
|
+ .init = crc32c_init,
|
|
+ .update = crc32c_update,
|
|
+ .final = crc32c_final,
|
|
+ .digest = crc32c_digest,
|
|
+ }
|
|
+ }
|
|
+};
|
|
+
|
|
static int __init crc32c_mod_init(void)
|
|
{
|
|
- return crypto_register_alg(&alg);
|
|
+ int err;
|
|
+
|
|
+ err = crypto_register_alg(&old_alg);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ err = crypto_register_alg(&alg);
|
|
+ if (err)
|
|
+ crypto_unregister_alg(&old_alg);
|
|
+
|
|
+ return err;
|
|
}
|
|
|
|
static void __exit crc32c_mod_fini(void)
|
|
{
|
|
crypto_unregister_alg(&alg);
|
|
+ crypto_unregister_alg(&old_alg);
|
|
}
|
|
|
|
module_init(crc32c_mod_init);
|
|
--- a/crypto/cryptd.c
|
|
+++ b/crypto/cryptd.c
|
|
@@ -11,6 +11,7 @@
|
|
*/
|
|
|
|
#include <crypto/algapi.h>
|
|
+#include <crypto/internal/hash.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
@@ -45,6 +46,13 @@
|
|
crypto_completion_t complete;
|
|
};
|
|
|
|
+struct cryptd_hash_ctx {
|
|
+ struct crypto_hash *child;
|
|
+};
|
|
+
|
|
+struct cryptd_hash_request_ctx {
|
|
+ crypto_completion_t complete;
|
|
+};
|
|
|
|
static inline struct cryptd_state *cryptd_get_state(struct crypto_tfm *tfm)
|
|
{
|
|
@@ -82,10 +90,8 @@
|
|
|
|
rctx = ablkcipher_request_ctx(req);
|
|
|
|
- if (unlikely(err == -EINPROGRESS)) {
|
|
- rctx->complete(&req->base, err);
|
|
- return;
|
|
- }
|
|
+ if (unlikely(err == -EINPROGRESS))
|
|
+ goto out;
|
|
|
|
desc.tfm = child;
|
|
desc.info = req->info;
|
|
@@ -95,8 +101,9 @@
|
|
|
|
req->base.complete = rctx->complete;
|
|
|
|
+out:
|
|
local_bh_disable();
|
|
- req->base.complete(&req->base, err);
|
|
+ rctx->complete(&req->base, err);
|
|
local_bh_enable();
|
|
}
|
|
|
|
@@ -261,6 +268,240 @@
|
|
return inst;
|
|
}
|
|
|
|
+static int cryptd_hash_init_tfm(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
|
|
+ struct cryptd_instance_ctx *ictx = crypto_instance_ctx(inst);
|
|
+ struct crypto_spawn *spawn = &ictx->spawn;
|
|
+ struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ struct crypto_hash *cipher;
|
|
+
|
|
+ cipher = crypto_spawn_hash(spawn);
|
|
+ if (IS_ERR(cipher))
|
|
+ return PTR_ERR(cipher);
|
|
+
|
|
+ ctx->child = cipher;
|
|
+ tfm->crt_ahash.reqsize =
|
|
+ sizeof(struct cryptd_hash_request_ctx);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void cryptd_hash_exit_tfm(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ struct cryptd_state *state = cryptd_get_state(tfm);
|
|
+ int active;
|
|
+
|
|
+ mutex_lock(&state->mutex);
|
|
+ active = ahash_tfm_in_queue(&state->queue,
|
|
+ __crypto_ahash_cast(tfm));
|
|
+ mutex_unlock(&state->mutex);
|
|
+
|
|
+ BUG_ON(active);
|
|
+
|
|
+ crypto_free_hash(ctx->child);
|
|
+}
|
|
+
|
|
+static int cryptd_hash_setkey(struct crypto_ahash *parent,
|
|
+ const u8 *key, unsigned int keylen)
|
|
+{
|
|
+ struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(parent);
|
|
+ struct crypto_hash *child = ctx->child;
|
|
+ int err;
|
|
+
|
|
+ crypto_hash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
|
|
+ crypto_hash_set_flags(child, crypto_ahash_get_flags(parent) &
|
|
+ CRYPTO_TFM_REQ_MASK);
|
|
+ err = crypto_hash_setkey(child, key, keylen);
|
|
+ crypto_ahash_set_flags(parent, crypto_hash_get_flags(child) &
|
|
+ CRYPTO_TFM_RES_MASK);
|
|
+ return err;
|
|
+}
|
|
+
|
|
+static int cryptd_hash_enqueue(struct ahash_request *req,
|
|
+ crypto_completion_t complete)
|
|
+{
|
|
+ struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
|
|
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
|
|
+ struct cryptd_state *state =
|
|
+ cryptd_get_state(crypto_ahash_tfm(tfm));
|
|
+ int err;
|
|
+
|
|
+ rctx->complete = req->base.complete;
|
|
+ req->base.complete = complete;
|
|
+
|
|
+ spin_lock_bh(&state->lock);
|
|
+ err = ahash_enqueue_request(&state->queue, req);
|
|
+ spin_unlock_bh(&state->lock);
|
|
+
|
|
+ wake_up_process(state->task);
|
|
+ return err;
|
|
+}
|
|
+
|
|
+static void cryptd_hash_init(struct crypto_async_request *req_async, int err)
|
|
+{
|
|
+ struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
|
|
+ struct crypto_hash *child = ctx->child;
|
|
+ struct ahash_request *req = ahash_request_cast(req_async);
|
|
+ struct cryptd_hash_request_ctx *rctx;
|
|
+ struct hash_desc desc;
|
|
+
|
|
+ rctx = ahash_request_ctx(req);
|
|
+
|
|
+ if (unlikely(err == -EINPROGRESS))
|
|
+ goto out;
|
|
+
|
|
+ desc.tfm = child;
|
|
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
|
|
+
|
|
+ err = crypto_hash_crt(child)->init(&desc);
|
|
+
|
|
+ req->base.complete = rctx->complete;
|
|
+
|
|
+out:
|
|
+ local_bh_disable();
|
|
+ rctx->complete(&req->base, err);
|
|
+ local_bh_enable();
|
|
+}
|
|
+
|
|
+static int cryptd_hash_init_enqueue(struct ahash_request *req)
|
|
+{
|
|
+ return cryptd_hash_enqueue(req, cryptd_hash_init);
|
|
+}
|
|
+
|
|
+static void cryptd_hash_update(struct crypto_async_request *req_async, int err)
|
|
+{
|
|
+ struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
|
|
+ struct crypto_hash *child = ctx->child;
|
|
+ struct ahash_request *req = ahash_request_cast(req_async);
|
|
+ struct cryptd_hash_request_ctx *rctx;
|
|
+ struct hash_desc desc;
|
|
+
|
|
+ rctx = ahash_request_ctx(req);
|
|
+
|
|
+ if (unlikely(err == -EINPROGRESS))
|
|
+ goto out;
|
|
+
|
|
+ desc.tfm = child;
|
|
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
|
|
+
|
|
+ err = crypto_hash_crt(child)->update(&desc,
|
|
+ req->src,
|
|
+ req->nbytes);
|
|
+
|
|
+ req->base.complete = rctx->complete;
|
|
+
|
|
+out:
|
|
+ local_bh_disable();
|
|
+ rctx->complete(&req->base, err);
|
|
+ local_bh_enable();
|
|
+}
|
|
+
|
|
+static int cryptd_hash_update_enqueue(struct ahash_request *req)
|
|
+{
|
|
+ return cryptd_hash_enqueue(req, cryptd_hash_update);
|
|
+}
|
|
+
|
|
+static void cryptd_hash_final(struct crypto_async_request *req_async, int err)
|
|
+{
|
|
+ struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
|
|
+ struct crypto_hash *child = ctx->child;
|
|
+ struct ahash_request *req = ahash_request_cast(req_async);
|
|
+ struct cryptd_hash_request_ctx *rctx;
|
|
+ struct hash_desc desc;
|
|
+
|
|
+ rctx = ahash_request_ctx(req);
|
|
+
|
|
+ if (unlikely(err == -EINPROGRESS))
|
|
+ goto out;
|
|
+
|
|
+ desc.tfm = child;
|
|
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
|
|
+
|
|
+ err = crypto_hash_crt(child)->final(&desc, req->result);
|
|
+
|
|
+ req->base.complete = rctx->complete;
|
|
+
|
|
+out:
|
|
+ local_bh_disable();
|
|
+ rctx->complete(&req->base, err);
|
|
+ local_bh_enable();
|
|
+}
|
|
+
|
|
+static int cryptd_hash_final_enqueue(struct ahash_request *req)
|
|
+{
|
|
+ return cryptd_hash_enqueue(req, cryptd_hash_final);
|
|
+}
|
|
+
|
|
+static void cryptd_hash_digest(struct crypto_async_request *req_async, int err)
|
|
+{
|
|
+ struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
|
|
+ struct crypto_hash *child = ctx->child;
|
|
+ struct ahash_request *req = ahash_request_cast(req_async);
|
|
+ struct cryptd_hash_request_ctx *rctx;
|
|
+ struct hash_desc desc;
|
|
+
|
|
+ rctx = ahash_request_ctx(req);
|
|
+
|
|
+ if (unlikely(err == -EINPROGRESS))
|
|
+ goto out;
|
|
+
|
|
+ desc.tfm = child;
|
|
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
|
|
+
|
|
+ err = crypto_hash_crt(child)->digest(&desc,
|
|
+ req->src,
|
|
+ req->nbytes,
|
|
+ req->result);
|
|
+
|
|
+ req->base.complete = rctx->complete;
|
|
+
|
|
+out:
|
|
+ local_bh_disable();
|
|
+ rctx->complete(&req->base, err);
|
|
+ local_bh_enable();
|
|
+}
|
|
+
|
|
+static int cryptd_hash_digest_enqueue(struct ahash_request *req)
|
|
+{
|
|
+ return cryptd_hash_enqueue(req, cryptd_hash_digest);
|
|
+}
|
|
+
|
|
+static struct crypto_instance *cryptd_alloc_hash(
|
|
+ struct rtattr **tb, struct cryptd_state *state)
|
|
+{
|
|
+ struct crypto_instance *inst;
|
|
+ struct crypto_alg *alg;
|
|
+
|
|
+ alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_HASH,
|
|
+ CRYPTO_ALG_TYPE_HASH_MASK);
|
|
+ if (IS_ERR(alg))
|
|
+ return ERR_PTR(PTR_ERR(alg));
|
|
+
|
|
+ inst = cryptd_alloc_instance(alg, state);
|
|
+ if (IS_ERR(inst))
|
|
+ goto out_put_alg;
|
|
+
|
|
+ inst->alg.cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC;
|
|
+ inst->alg.cra_type = &crypto_ahash_type;
|
|
+
|
|
+ inst->alg.cra_ahash.digestsize = alg->cra_hash.digestsize;
|
|
+ inst->alg.cra_ctxsize = sizeof(struct cryptd_hash_ctx);
|
|
+
|
|
+ inst->alg.cra_init = cryptd_hash_init_tfm;
|
|
+ inst->alg.cra_exit = cryptd_hash_exit_tfm;
|
|
+
|
|
+ inst->alg.cra_ahash.init = cryptd_hash_init_enqueue;
|
|
+ inst->alg.cra_ahash.update = cryptd_hash_update_enqueue;
|
|
+ inst->alg.cra_ahash.final = cryptd_hash_final_enqueue;
|
|
+ inst->alg.cra_ahash.setkey = cryptd_hash_setkey;
|
|
+ inst->alg.cra_ahash.digest = cryptd_hash_digest_enqueue;
|
|
+
|
|
+out_put_alg:
|
|
+ crypto_mod_put(alg);
|
|
+ return inst;
|
|
+}
|
|
+
|
|
static struct cryptd_state state;
|
|
|
|
static struct crypto_instance *cryptd_alloc(struct rtattr **tb)
|
|
@@ -274,6 +515,8 @@
|
|
switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
|
|
case CRYPTO_ALG_TYPE_BLKCIPHER:
|
|
return cryptd_alloc_blkcipher(tb, &state);
|
|
+ case CRYPTO_ALG_TYPE_DIGEST:
|
|
+ return cryptd_alloc_hash(tb, &state);
|
|
}
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
--- a/crypto/digest.c
|
|
+++ b/crypto/digest.c
|
|
@@ -12,6 +12,7 @@
|
|
*
|
|
*/
|
|
|
|
+#include <crypto/internal/hash.h>
|
|
#include <crypto/scatterwalk.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/errno.h>
|
|
@@ -141,7 +142,7 @@
|
|
struct hash_tfm *ops = &tfm->crt_hash;
|
|
struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
|
|
|
|
- if (dalg->dia_digestsize > crypto_tfm_alg_blocksize(tfm))
|
|
+ if (dalg->dia_digestsize > PAGE_SIZE / 8)
|
|
return -EINVAL;
|
|
|
|
ops->init = init;
|
|
@@ -157,3 +158,83 @@
|
|
void crypto_exit_digest_ops(struct crypto_tfm *tfm)
|
|
{
|
|
}
|
|
+
|
|
+static int digest_async_nosetkey(struct crypto_ahash *tfm_async, const u8 *key,
|
|
+ unsigned int keylen)
|
|
+{
|
|
+ crypto_ahash_clear_flags(tfm_async, CRYPTO_TFM_RES_MASK);
|
|
+ return -ENOSYS;
|
|
+}
|
|
+
|
|
+static int digest_async_setkey(struct crypto_ahash *tfm_async, const u8 *key,
|
|
+ unsigned int keylen)
|
|
+{
|
|
+ struct crypto_tfm *tfm = crypto_ahash_tfm(tfm_async);
|
|
+ struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
|
|
+
|
|
+ crypto_ahash_clear_flags(tfm_async, CRYPTO_TFM_RES_MASK);
|
|
+ return dalg->dia_setkey(tfm, key, keylen);
|
|
+}
|
|
+
|
|
+static int digest_async_init(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
|
|
+
|
|
+ dalg->dia_init(tfm);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int digest_async_update(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ update(&desc, req->src, req->nbytes);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int digest_async_final(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ final(&desc, req->result);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int digest_async_digest(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ return digest(&desc, req->src, req->nbytes, req->result);
|
|
+}
|
|
+
|
|
+int crypto_init_digest_ops_async(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct ahash_tfm *crt = &tfm->crt_ahash;
|
|
+ struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
|
|
+
|
|
+ if (dalg->dia_digestsize > crypto_tfm_alg_blocksize(tfm))
|
|
+ return -EINVAL;
|
|
+
|
|
+ crt->init = digest_async_init;
|
|
+ crt->update = digest_async_update;
|
|
+ crt->final = digest_async_final;
|
|
+ crt->digest = digest_async_digest;
|
|
+ crt->setkey = dalg->dia_setkey ? digest_async_setkey :
|
|
+ digest_async_nosetkey;
|
|
+ crt->digestsize = dalg->dia_digestsize;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
--- a/crypto/hash.c
|
|
+++ b/crypto/hash.c
|
|
@@ -9,6 +9,7 @@
|
|
* any later version.
|
|
*/
|
|
|
|
+#include <crypto/internal/hash.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
@@ -59,24 +60,107 @@
|
|
return alg->setkey(crt, key, keylen);
|
|
}
|
|
|
|
-static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
|
|
+static int hash_async_setkey(struct crypto_ahash *tfm_async, const u8 *key,
|
|
+ unsigned int keylen)
|
|
+{
|
|
+ struct crypto_tfm *tfm = crypto_ahash_tfm(tfm_async);
|
|
+ struct crypto_hash *tfm_hash = __crypto_hash_cast(tfm);
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+
|
|
+ return alg->setkey(tfm_hash, key, keylen);
|
|
+}
|
|
+
|
|
+static int hash_async_init(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ return alg->init(&desc);
|
|
+}
|
|
+
|
|
+static int hash_async_update(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ return alg->update(&desc, req->src, req->nbytes);
|
|
+}
|
|
+
|
|
+static int hash_async_final(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ return alg->final(&desc, req->result);
|
|
+}
|
|
+
|
|
+static int hash_async_digest(struct ahash_request *req)
|
|
+{
|
|
+ struct crypto_tfm *tfm = req->base.tfm;
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+ struct hash_desc desc = {
|
|
+ .tfm = __crypto_hash_cast(tfm),
|
|
+ .flags = req->base.flags,
|
|
+ };
|
|
+
|
|
+ return alg->digest(&desc, req->src, req->nbytes, req->result);
|
|
+}
|
|
+
|
|
+static int crypto_init_hash_ops_async(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct ahash_tfm *crt = &tfm->crt_ahash;
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+
|
|
+ crt->init = hash_async_init;
|
|
+ crt->update = hash_async_update;
|
|
+ crt->final = hash_async_final;
|
|
+ crt->digest = hash_async_digest;
|
|
+ crt->setkey = hash_async_setkey;
|
|
+ crt->digestsize = alg->digestsize;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int crypto_init_hash_ops_sync(struct crypto_tfm *tfm)
|
|
{
|
|
struct hash_tfm *crt = &tfm->crt_hash;
|
|
struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
|
|
- if (alg->digestsize > crypto_tfm_alg_blocksize(tfm))
|
|
- return -EINVAL;
|
|
-
|
|
- crt->init = alg->init;
|
|
- crt->update = alg->update;
|
|
- crt->final = alg->final;
|
|
- crt->digest = alg->digest;
|
|
- crt->setkey = hash_setkey;
|
|
+ crt->init = alg->init;
|
|
+ crt->update = alg->update;
|
|
+ crt->final = alg->final;
|
|
+ crt->digest = alg->digest;
|
|
+ crt->setkey = hash_setkey;
|
|
crt->digestsize = alg->digestsize;
|
|
|
|
return 0;
|
|
}
|
|
|
|
+static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
|
|
+{
|
|
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
|
|
+
|
|
+ if (alg->digestsize > PAGE_SIZE / 8)
|
|
+ return -EINVAL;
|
|
+
|
|
+ if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) != CRYPTO_ALG_TYPE_HASH_MASK)
|
|
+ return crypto_init_hash_ops_async(tfm);
|
|
+ else
|
|
+ return crypto_init_hash_ops_sync(tfm);
|
|
+}
|
|
+
|
|
static void crypto_hash_show(struct seq_file *m, struct crypto_alg *alg)
|
|
__attribute__ ((unused));
|
|
static void crypto_hash_show(struct seq_file *m, struct crypto_alg *alg)
|
|
--- a/crypto/hmac.c
|
|
+++ b/crypto/hmac.c
|
|
@@ -226,6 +226,7 @@
|
|
struct crypto_instance *inst;
|
|
struct crypto_alg *alg;
|
|
int err;
|
|
+ int ds;
|
|
|
|
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_HASH);
|
|
if (err)
|
|
@@ -236,6 +237,13 @@
|
|
if (IS_ERR(alg))
|
|
return ERR_CAST(alg);
|
|
|
|
+ inst = ERR_PTR(-EINVAL);
|
|
+ ds = (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
|
|
+ CRYPTO_ALG_TYPE_HASH ? alg->cra_hash.digestsize :
|
|
+ alg->cra_digest.dia_digestsize;
|
|
+ if (ds > alg->cra_blocksize)
|
|
+ goto out_put_alg;
|
|
+
|
|
inst = crypto_alloc_instance("hmac", alg);
|
|
if (IS_ERR(inst))
|
|
goto out_put_alg;
|
|
@@ -246,14 +254,10 @@
|
|
inst->alg.cra_alignmask = alg->cra_alignmask;
|
|
inst->alg.cra_type = &crypto_hash_type;
|
|
|
|
- inst->alg.cra_hash.digestsize =
|
|
- (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
|
|
- CRYPTO_ALG_TYPE_HASH ? alg->cra_hash.digestsize :
|
|
- alg->cra_digest.dia_digestsize;
|
|
+ inst->alg.cra_hash.digestsize = ds;
|
|
|
|
inst->alg.cra_ctxsize = sizeof(struct hmac_ctx) +
|
|
- ALIGN(inst->alg.cra_blocksize * 2 +
|
|
- inst->alg.cra_hash.digestsize,
|
|
+ ALIGN(inst->alg.cra_blocksize * 2 + ds,
|
|
sizeof(void *));
|
|
|
|
inst->alg.cra_init = hmac_init_tfm;
|
|
--- a/crypto/internal.h
|
|
+++ b/crypto/internal.h
|
|
@@ -86,6 +86,7 @@
|
|
struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
|
|
|
|
int crypto_init_digest_ops(struct crypto_tfm *tfm);
|
|
+int crypto_init_digest_ops_async(struct crypto_tfm *tfm);
|
|
int crypto_init_cipher_ops(struct crypto_tfm *tfm);
|
|
int crypto_init_compress_ops(struct crypto_tfm *tfm);
|
|
|
|
--- /dev/null
|
|
+++ b/crypto/prng.c
|
|
@@ -0,0 +1,410 @@
|
|
+/*
|
|
+ * PRNG: Pseudo Random Number Generator
|
|
+ * Based on NIST Recommended PRNG From ANSI X9.31 Appendix A.2.4 using
|
|
+ * AES 128 cipher in RFC3686 ctr mode
|
|
+ *
|
|
+ * (C) Neil Horman <nhorman@tuxdriver.com>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the
|
|
+ * Free Software Foundation; either version 2 of the License, or (at your
|
|
+ * any later version.
|
|
+ *
|
|
+ *
|
|
+ */
|
|
+
|
|
+#include <linux/err.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/slab.h>
|
|
+#include <linux/fs.h>
|
|
+#include <linux/scatterlist.h>
|
|
+#include <linux/string.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/highmem.h>
|
|
+#include <linux/moduleparam.h>
|
|
+#include <linux/jiffies.h>
|
|
+#include <linux/timex.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/miscdevice.h>
|
|
+#include "prng.h"
|
|
+
|
|
+#define TEST_PRNG_ON_START 0
|
|
+
|
|
+#define DEFAULT_PRNG_KEY "0123456789abcdef1011"
|
|
+#define DEFAULT_PRNG_KSZ 20
|
|
+#define DEFAULT_PRNG_IV "defaultv"
|
|
+#define DEFAULT_PRNG_IVSZ 8
|
|
+#define DEFAULT_BLK_SZ 16
|
|
+#define DEFAULT_V_SEED "zaybxcwdveuftgsh"
|
|
+
|
|
+/*
|
|
+ * Flags for the prng_context flags field
|
|
+ */
|
|
+
|
|
+#define PRNG_FIXED_SIZE 0x1
|
|
+#define PRNG_NEED_RESET 0x2
|
|
+
|
|
+/*
|
|
+ * Note: DT is our counter value
|
|
+ * I is our intermediate value
|
|
+ * V is our seed vector
|
|
+ * See http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf
|
|
+ * for implementation details
|
|
+ */
|
|
+
|
|
+
|
|
+struct prng_context {
|
|
+ char *prng_key;
|
|
+ char *prng_iv;
|
|
+ spinlock_t prng_lock;
|
|
+ unsigned char rand_data[DEFAULT_BLK_SZ];
|
|
+ unsigned char last_rand_data[DEFAULT_BLK_SZ];
|
|
+ unsigned char DT[DEFAULT_BLK_SZ];
|
|
+ unsigned char I[DEFAULT_BLK_SZ];
|
|
+ unsigned char V[DEFAULT_BLK_SZ];
|
|
+ u32 rand_data_valid;
|
|
+ struct crypto_blkcipher *tfm;
|
|
+ u32 flags;
|
|
+};
|
|
+
|
|
+static int dbg;
|
|
+
|
|
+static void hexdump(char *note, unsigned char *buf, unsigned int len)
|
|
+{
|
|
+ if (dbg) {
|
|
+ printk(KERN_CRIT "%s", note);
|
|
+ print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
|
|
+ 16, 1,
|
|
+ buf, len, false);
|
|
+ }
|
|
+}
|
|
+
|
|
+#define dbgprint(format, args...) do {if(dbg) printk(format, ##args);} while(0)
|
|
+
|
|
+static void xor_vectors(unsigned char *in1, unsigned char *in2,
|
|
+ unsigned char *out, unsigned int size)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ for (i=0;i<size;i++)
|
|
+ out[i] = in1[i] ^ in2[i];
|
|
+
|
|
+}
|
|
+/*
|
|
+ * Returns DEFAULT_BLK_SZ bytes of random data per call
|
|
+ * returns 0 if generation succeded, <0 if something went wrong
|
|
+ */
|
|
+static int _get_more_prng_bytes(struct prng_context *ctx)
|
|
+{
|
|
+ int i;
|
|
+ struct blkcipher_desc desc;
|
|
+ struct scatterlist sg_in, sg_out;
|
|
+ int ret;
|
|
+ unsigned char tmp[DEFAULT_BLK_SZ];
|
|
+
|
|
+ desc.tfm = ctx->tfm;
|
|
+ desc.flags = 0;
|
|
+
|
|
+
|
|
+ dbgprint(KERN_CRIT "Calling _get_more_prng_bytes for context %p\n",ctx);
|
|
+
|
|
+ hexdump("Input DT: ", ctx->DT, DEFAULT_BLK_SZ);
|
|
+ hexdump("Input I: ", ctx->I, DEFAULT_BLK_SZ);
|
|
+ hexdump("Input V: ", ctx->V, DEFAULT_BLK_SZ);
|
|
+
|
|
+ /*
|
|
+ * This algorithm is a 3 stage state machine
|
|
+ */
|
|
+ for (i=0;i<3;i++) {
|
|
+
|
|
+ desc.tfm = ctx->tfm;
|
|
+ desc.flags = 0;
|
|
+ switch (i) {
|
|
+ case 0:
|
|
+ /*
|
|
+ * Start by encrypting the counter value
|
|
+ * This gives us an intermediate value I
|
|
+ */
|
|
+ memcpy(tmp, ctx->DT, DEFAULT_BLK_SZ);
|
|
+ sg_init_one(&sg_out, &ctx->I[0], DEFAULT_BLK_SZ);
|
|
+ hexdump("tmp stage 0: ", tmp, DEFAULT_BLK_SZ);
|
|
+ break;
|
|
+ case 1:
|
|
+
|
|
+ /*
|
|
+ * Next xor I with our secret vector V
|
|
+ * encrypt that result to obtain our
|
|
+ * pseudo random data which we output
|
|
+ */
|
|
+ xor_vectors(ctx->I, ctx->V, tmp, DEFAULT_BLK_SZ);
|
|
+ sg_init_one(&sg_out, &ctx->rand_data[0], DEFAULT_BLK_SZ);
|
|
+ hexdump("tmp stage 1: ", tmp, DEFAULT_BLK_SZ);
|
|
+ break;
|
|
+ case 2:
|
|
+ /*
|
|
+ * First check that we didn't produce the same random data
|
|
+ * that we did last time around through this
|
|
+ */
|
|
+ if (!memcmp(ctx->rand_data, ctx->last_rand_data, DEFAULT_BLK_SZ)) {
|
|
+ printk(KERN_ERR "ctx %p Failed repetition check!\n",
|
|
+ ctx);
|
|
+ ctx->flags |= PRNG_NEED_RESET;
|
|
+ return -1;
|
|
+ }
|
|
+ memcpy(ctx->last_rand_data, ctx->rand_data, DEFAULT_BLK_SZ);
|
|
+
|
|
+ /*
|
|
+ * Lastly xor the random data with I
|
|
+ * and encrypt that to obtain a new secret vector V
|
|
+ */
|
|
+ xor_vectors(ctx->rand_data, ctx->I, tmp, DEFAULT_BLK_SZ);
|
|
+ sg_init_one(&sg_out, &ctx->V[0], DEFAULT_BLK_SZ);
|
|
+ hexdump("tmp stage 2: ", tmp, DEFAULT_BLK_SZ);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ /* Initialize our input buffer */
|
|
+ sg_init_one(&sg_in, &tmp[0], DEFAULT_BLK_SZ);
|
|
+
|
|
+ /* do the encryption */
|
|
+ ret = crypto_blkcipher_encrypt(&desc, &sg_out, &sg_in, DEFAULT_BLK_SZ);
|
|
+
|
|
+ /* And check the result */
|
|
+ if (ret) {
|
|
+ dbgprint(KERN_CRIT "Encryption of new block failed for context %p\n",ctx);
|
|
+ ctx->rand_data_valid = DEFAULT_BLK_SZ;
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Now update our DT value
|
|
+ */
|
|
+ for (i=DEFAULT_BLK_SZ-1;i>0;i--) {
|
|
+ ctx->DT[i] = ctx->DT[i-1];
|
|
+ }
|
|
+ ctx->DT[0] += 1;
|
|
+
|
|
+ dbgprint("Returning new block for context %p\n",ctx);
|
|
+ ctx->rand_data_valid = 0;
|
|
+
|
|
+ hexdump("Output DT: ", ctx->DT, DEFAULT_BLK_SZ);
|
|
+ hexdump("Output I: ", ctx->I, DEFAULT_BLK_SZ);
|
|
+ hexdump("Output V: ", ctx->V, DEFAULT_BLK_SZ);
|
|
+ hexdump("New Random Data: ", ctx->rand_data, DEFAULT_BLK_SZ);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* Our exported functions */
|
|
+int get_prng_bytes(char *buf, int nbytes, struct prng_context *ctx)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ unsigned char *ptr = buf;
|
|
+ unsigned int byte_count = (unsigned int)nbytes;
|
|
+ int err;
|
|
+
|
|
+
|
|
+ if (nbytes < 0)
|
|
+ return -EINVAL;
|
|
+
|
|
+ spin_lock_irqsave(&ctx->prng_lock, flags);
|
|
+
|
|
+ err = -EFAULT;
|
|
+ if (ctx->flags & PRNG_NEED_RESET)
|
|
+ goto done;
|
|
+
|
|
+ /*
|
|
+ * If the FIXED_SIZE flag is on, only return whole blocks of
|
|
+ * pseudo random data
|
|
+ */
|
|
+ err = -EINVAL;
|
|
+ if (ctx->flags & PRNG_FIXED_SIZE) {
|
|
+ if (nbytes < DEFAULT_BLK_SZ)
|
|
+ goto done;
|
|
+ byte_count = DEFAULT_BLK_SZ;
|
|
+ }
|
|
+
|
|
+ err = byte_count;
|
|
+
|
|
+ dbgprint(KERN_CRIT "getting %d random bytes for context %p\n",byte_count, ctx);
|
|
+
|
|
+
|
|
+remainder:
|
|
+ if (ctx->rand_data_valid == DEFAULT_BLK_SZ) {
|
|
+ if (_get_more_prng_bytes(ctx) < 0) {
|
|
+ memset(buf, 0, nbytes);
|
|
+ err = -EFAULT;
|
|
+ goto done;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Copy up to the next whole block size
|
|
+ */
|
|
+ if (byte_count < DEFAULT_BLK_SZ) {
|
|
+ for (;ctx->rand_data_valid < DEFAULT_BLK_SZ; ctx->rand_data_valid++) {
|
|
+ *ptr = ctx->rand_data[ctx->rand_data_valid];
|
|
+ ptr++;
|
|
+ byte_count--;
|
|
+ if (byte_count == 0)
|
|
+ goto done;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Now copy whole blocks
|
|
+ */
|
|
+ for(;byte_count >= DEFAULT_BLK_SZ; byte_count -= DEFAULT_BLK_SZ) {
|
|
+ if (_get_more_prng_bytes(ctx) < 0) {
|
|
+ memset(buf, 0, nbytes);
|
|
+ err = -1;
|
|
+ goto done;
|
|
+ }
|
|
+ memcpy(ptr, ctx->rand_data, DEFAULT_BLK_SZ);
|
|
+ ctx->rand_data_valid += DEFAULT_BLK_SZ;
|
|
+ ptr += DEFAULT_BLK_SZ;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Now copy any extra partial data
|
|
+ */
|
|
+ if (byte_count)
|
|
+ goto remainder;
|
|
+
|
|
+done:
|
|
+ spin_unlock_irqrestore(&ctx->prng_lock, flags);
|
|
+ dbgprint(KERN_CRIT "returning %d from get_prng_bytes in context %p\n",err, ctx);
|
|
+ return err;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(get_prng_bytes);
|
|
+
|
|
+struct prng_context *alloc_prng_context(void)
|
|
+{
|
|
+ struct prng_context *ctx=kzalloc(sizeof(struct prng_context), GFP_KERNEL);
|
|
+
|
|
+ spin_lock_init(&ctx->prng_lock);
|
|
+
|
|
+ if (reset_prng_context(ctx, NULL, NULL, NULL, NULL)) {
|
|
+ kfree(ctx);
|
|
+ ctx = NULL;
|
|
+ }
|
|
+
|
|
+ dbgprint(KERN_CRIT "returning context %p\n",ctx);
|
|
+ return ctx;
|
|
+}
|
|
+
|
|
+EXPORT_SYMBOL_GPL(alloc_prng_context);
|
|
+
|
|
+void free_prng_context(struct prng_context *ctx)
|
|
+{
|
|
+ crypto_free_blkcipher(ctx->tfm);
|
|
+ kfree(ctx);
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(free_prng_context);
|
|
+
|
|
+int reset_prng_context(struct prng_context *ctx,
|
|
+ unsigned char *key, unsigned char *iv,
|
|
+ unsigned char *V, unsigned char *DT)
|
|
+{
|
|
+ int ret;
|
|
+ int iv_len;
|
|
+ int rc = -EFAULT;
|
|
+
|
|
+ spin_lock(&ctx->prng_lock);
|
|
+ ctx->flags |= PRNG_NEED_RESET;
|
|
+
|
|
+ if (key)
|
|
+ memcpy(ctx->prng_key,key,strlen(ctx->prng_key));
|
|
+ else
|
|
+ ctx->prng_key = DEFAULT_PRNG_KEY;
|
|
+
|
|
+ if (iv)
|
|
+ memcpy(ctx->prng_iv,iv, strlen(ctx->prng_iv));
|
|
+ else
|
|
+ ctx->prng_iv = DEFAULT_PRNG_IV;
|
|
+
|
|
+ if (V)
|
|
+ memcpy(ctx->V,V,DEFAULT_BLK_SZ);
|
|
+ else
|
|
+ memcpy(ctx->V,DEFAULT_V_SEED,DEFAULT_BLK_SZ);
|
|
+
|
|
+ if (DT)
|
|
+ memcpy(ctx->DT, DT, DEFAULT_BLK_SZ);
|
|
+ else
|
|
+ memset(ctx->DT, 0, DEFAULT_BLK_SZ);
|
|
+
|
|
+ memset(ctx->rand_data,0,DEFAULT_BLK_SZ);
|
|
+ memset(ctx->last_rand_data,0,DEFAULT_BLK_SZ);
|
|
+
|
|
+ if (ctx->tfm)
|
|
+ crypto_free_blkcipher(ctx->tfm);
|
|
+
|
|
+ ctx->tfm = crypto_alloc_blkcipher("rfc3686(ctr(aes))",0,0);
|
|
+ if (!ctx->tfm) {
|
|
+ dbgprint(KERN_CRIT "Failed to alloc crypto tfm for context %p\n",ctx->tfm);
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ ctx->rand_data_valid = DEFAULT_BLK_SZ;
|
|
+
|
|
+ ret = crypto_blkcipher_setkey(ctx->tfm, ctx->prng_key, strlen(ctx->prng_key));
|
|
+ if (ret) {
|
|
+ dbgprint(KERN_CRIT "PRNG: setkey() failed flags=%x\n",
|
|
+ crypto_blkcipher_get_flags(ctx->tfm));
|
|
+ crypto_free_blkcipher(ctx->tfm);
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ iv_len = crypto_blkcipher_ivsize(ctx->tfm);
|
|
+ if (iv_len) {
|
|
+ crypto_blkcipher_set_iv(ctx->tfm, ctx->prng_iv, iv_len);
|
|
+ }
|
|
+ rc = 0;
|
|
+ ctx->flags &= ~PRNG_NEED_RESET;
|
|
+out:
|
|
+ spin_unlock(&ctx->prng_lock);
|
|
+
|
|
+ return rc;
|
|
+
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(reset_prng_context);
|
|
+
|
|
+/* Module initalization */
|
|
+static int __init prng_mod_init(void)
|
|
+{
|
|
+
|
|
+#ifdef TEST_PRNG_ON_START
|
|
+ int i;
|
|
+ unsigned char tmpbuf[DEFAULT_BLK_SZ];
|
|
+
|
|
+ struct prng_context *ctx = alloc_prng_context();
|
|
+ if (ctx == NULL)
|
|
+ return -EFAULT;
|
|
+ for (i=0;i<16;i++) {
|
|
+ if (get_prng_bytes(tmpbuf, DEFAULT_BLK_SZ, ctx) < 0) {
|
|
+ free_prng_context(ctx);
|
|
+ return -EFAULT;
|
|
+ }
|
|
+ }
|
|
+ free_prng_context(ctx);
|
|
+#endif
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void __exit prng_mod_fini(void)
|
|
+{
|
|
+ return;
|
|
+}
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("Software Pseudo Random Number Generator");
|
|
+MODULE_AUTHOR("Neil Horman <nhorman@tuxdriver.com>");
|
|
+module_param(dbg, int, 0);
|
|
+MODULE_PARM_DESC(dbg, "Boolean to enable debugging (0/1 == off/on)");
|
|
+module_init(prng_mod_init);
|
|
+module_exit(prng_mod_fini);
|
|
--- /dev/null
|
|
+++ b/crypto/prng.h
|
|
@@ -0,0 +1,27 @@
|
|
+/*
|
|
+ * PRNG: Pseudo Random Number Generator
|
|
+ *
|
|
+ * (C) Neil Horman <nhorman@tuxdriver.com>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the
|
|
+ * Free Software Foundation; either version 2 of the License, or (at your
|
|
+ * any later version.
|
|
+ *
|
|
+ *
|
|
+ */
|
|
+
|
|
+#ifndef _PRNG_H_
|
|
+#define _PRNG_H_
|
|
+struct prng_context;
|
|
+
|
|
+int get_prng_bytes(char *buf, int nbytes, struct prng_context *ctx);
|
|
+struct prng_context *alloc_prng_context(void);
|
|
+int reset_prng_context(struct prng_context *ctx,
|
|
+ unsigned char *key, unsigned char *iv,
|
|
+ unsigned char *V,
|
|
+ unsigned char *DT);
|
|
+void free_prng_context(struct prng_context *ctx);
|
|
+
|
|
+#endif
|
|
+
|
|
--- /dev/null
|
|
+++ b/crypto/ripemd.h
|
|
@@ -0,0 +1,43 @@
|
|
+/*
|
|
+ * Common values for RIPEMD algorithms
|
|
+ */
|
|
+
|
|
+#ifndef _CRYPTO_RMD_H
|
|
+#define _CRYPTO_RMD_H
|
|
+
|
|
+#define RMD128_DIGEST_SIZE 16
|
|
+#define RMD128_BLOCK_SIZE 64
|
|
+
|
|
+#define RMD160_DIGEST_SIZE 20
|
|
+#define RMD160_BLOCK_SIZE 64
|
|
+
|
|
+#define RMD256_DIGEST_SIZE 32
|
|
+#define RMD256_BLOCK_SIZE 64
|
|
+
|
|
+#define RMD320_DIGEST_SIZE 40
|
|
+#define RMD320_BLOCK_SIZE 64
|
|
+
|
|
+/* initial values */
|
|
+#define RMD_H0 0x67452301UL
|
|
+#define RMD_H1 0xefcdab89UL
|
|
+#define RMD_H2 0x98badcfeUL
|
|
+#define RMD_H3 0x10325476UL
|
|
+#define RMD_H4 0xc3d2e1f0UL
|
|
+#define RMD_H5 0x76543210UL
|
|
+#define RMD_H6 0xfedcba98UL
|
|
+#define RMD_H7 0x89abcdefUL
|
|
+#define RMD_H8 0x01234567UL
|
|
+#define RMD_H9 0x3c2d1e0fUL
|
|
+
|
|
+/* constants */
|
|
+#define RMD_K1 0x00000000UL
|
|
+#define RMD_K2 0x5a827999UL
|
|
+#define RMD_K3 0x6ed9eba1UL
|
|
+#define RMD_K4 0x8f1bbcdcUL
|
|
+#define RMD_K5 0xa953fd4eUL
|
|
+#define RMD_K6 0x50a28be6UL
|
|
+#define RMD_K7 0x5c4dd124UL
|
|
+#define RMD_K8 0x6d703ef3UL
|
|
+#define RMD_K9 0x7a6d76e9UL
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/crypto/rmd128.c
|
|
@@ -0,0 +1,325 @@
|
|
+/*
|
|
+ * Cryptographic API.
|
|
+ *
|
|
+ * RIPEMD-128 - RACE Integrity Primitives Evaluation Message Digest.
|
|
+ *
|
|
+ * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
|
|
+ *
|
|
+ * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the Free
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * any later version.
|
|
+ *
|
|
+ */
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/cryptohash.h>
|
|
+#include <linux/types.h>
|
|
+#include <asm/byteorder.h>
|
|
+
|
|
+#include "ripemd.h"
|
|
+
|
|
+struct rmd128_ctx {
|
|
+ u64 byte_count;
|
|
+ u32 state[4];
|
|
+ __le32 buffer[16];
|
|
+};
|
|
+
|
|
+#define K1 RMD_K1
|
|
+#define K2 RMD_K2
|
|
+#define K3 RMD_K3
|
|
+#define K4 RMD_K4
|
|
+#define KK1 RMD_K6
|
|
+#define KK2 RMD_K7
|
|
+#define KK3 RMD_K8
|
|
+#define KK4 RMD_K1
|
|
+
|
|
+#define F1(x, y, z) (x ^ y ^ z) /* XOR */
|
|
+#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
|
|
+#define F3(x, y, z) ((x | ~y) ^ z)
|
|
+#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
|
|
+
|
|
+#define ROUND(a, b, c, d, f, k, x, s) { \
|
|
+ (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
|
|
+ (a) = rol32((a), (s)); \
|
|
+}
|
|
+
|
|
+static void rmd128_transform(u32 *state, const __le32 *in)
|
|
+{
|
|
+ u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd;
|
|
+
|
|
+ /* Initialize left lane */
|
|
+ aa = state[0];
|
|
+ bb = state[1];
|
|
+ cc = state[2];
|
|
+ dd = state[3];
|
|
+
|
|
+ /* Initialize right lane */
|
|
+ aaa = state[0];
|
|
+ bbb = state[1];
|
|
+ ccc = state[2];
|
|
+ ddd = state[3];
|
|
+
|
|
+ /* round 1: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[0], 11);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[1], 14);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[2], 15);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[3], 12);
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[4], 5);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[5], 8);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[6], 7);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[7], 9);
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[8], 11);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[9], 13);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[10], 14);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[11], 15);
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[12], 6);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[13], 7);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[14], 9);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[15], 8);
|
|
+
|
|
+ /* round 2: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[4], 6);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[13], 8);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[1], 13);
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[10], 11);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[6], 9);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[15], 7);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[3], 15);
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[12], 7);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[0], 12);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[9], 15);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[5], 9);
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[2], 11);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[14], 7);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[11], 13);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[8], 12);
|
|
+
|
|
+ /* round 3: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[10], 13);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[14], 6);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[4], 7);
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[9], 14);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[15], 9);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[8], 13);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[1], 15);
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[2], 14);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[7], 8);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[0], 13);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[6], 6);
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[13], 5);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[11], 12);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[5], 7);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[12], 5);
|
|
+
|
|
+ /* round 4: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[9], 12);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[11], 14);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[10], 15);
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[0], 14);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[8], 15);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[12], 9);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[4], 8);
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[13], 9);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[3], 14);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[7], 5);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[15], 6);
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[14], 8);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[5], 6);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[6], 5);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[2], 12);
|
|
+
|
|
+ /* round 1: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[5], 8);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[14], 9);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[7], 9);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[0], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[9], 13);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[2], 15);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[11], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[4], 5);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[13], 7);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[6], 7);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[15], 8);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[8], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[1], 14);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[10], 14);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[3], 12);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
|
|
+
|
|
+ /* round 2: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[6], 9);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[11], 13);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[3], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[7], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[0], 12);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[13], 8);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[5], 9);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[10], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[14], 7);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[15], 7);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[8], 12);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[12], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[4], 6);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[9], 15);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[1], 13);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
|
|
+
|
|
+ /* round 3: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[15], 9);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[5], 7);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[1], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[3], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[7], 8);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[14], 6);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[6], 6);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[9], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[11], 12);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[8], 13);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[12], 5);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[2], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[10], 13);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[0], 13);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[4], 7);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
|
|
+
|
|
+ /* round 4: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[8], 15);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[6], 5);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[4], 8);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[1], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[3], 14);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[11], 14);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[15], 6);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[0], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[5], 6);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[12], 9);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[2], 12);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[13], 9);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[9], 12);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[7], 5);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[10], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
|
|
+
|
|
+ /* combine results */
|
|
+ ddd += cc + state[1]; /* final result for state[0] */
|
|
+ state[1] = state[2] + dd + aaa;
|
|
+ state[2] = state[3] + aa + bbb;
|
|
+ state[3] = state[0] + bb + ccc;
|
|
+ state[0] = ddd;
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+static void rmd128_init(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+
|
|
+ rctx->byte_count = 0;
|
|
+
|
|
+ rctx->state[0] = RMD_H0;
|
|
+ rctx->state[1] = RMD_H1;
|
|
+ rctx->state[2] = RMD_H2;
|
|
+ rctx->state[3] = RMD_H3;
|
|
+
|
|
+ memset(rctx->buffer, 0, sizeof(rctx->buffer));
|
|
+}
|
|
+
|
|
+static void rmd128_update(struct crypto_tfm *tfm, const u8 *data,
|
|
+ unsigned int len)
|
|
+{
|
|
+ struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
|
|
+
|
|
+ rctx->byte_count += len;
|
|
+
|
|
+ /* Enough space in buffer? If so copy and we're done */
|
|
+ if (avail > len) {
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, len);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, avail);
|
|
+
|
|
+ rmd128_transform(rctx->state, rctx->buffer);
|
|
+ data += avail;
|
|
+ len -= avail;
|
|
+
|
|
+ while (len >= sizeof(rctx->buffer)) {
|
|
+ memcpy(rctx->buffer, data, sizeof(rctx->buffer));
|
|
+ rmd128_transform(rctx->state, rctx->buffer);
|
|
+ data += sizeof(rctx->buffer);
|
|
+ len -= sizeof(rctx->buffer);
|
|
+ }
|
|
+
|
|
+ memcpy(rctx->buffer, data, len);
|
|
+}
|
|
+
|
|
+/* Add padding and return the message digest. */
|
|
+static void rmd128_final(struct crypto_tfm *tfm, u8 *out)
|
|
+{
|
|
+ struct rmd128_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ u32 i, index, padlen;
|
|
+ __le64 bits;
|
|
+ __le32 *dst = (__le32 *)out;
|
|
+ static const u8 padding[64] = { 0x80, };
|
|
+
|
|
+ bits = cpu_to_le64(rctx->byte_count << 3);
|
|
+
|
|
+ /* Pad out to 56 mod 64 */
|
|
+ index = rctx->byte_count & 0x3f;
|
|
+ padlen = (index < 56) ? (56 - index) : ((64+56) - index);
|
|
+ rmd128_update(tfm, padding, padlen);
|
|
+
|
|
+ /* Append length */
|
|
+ rmd128_update(tfm, (const u8 *)&bits, sizeof(bits));
|
|
+
|
|
+ /* Store state in digest */
|
|
+ for (i = 0; i < 4; i++)
|
|
+ dst[i] = cpu_to_le32p(&rctx->state[i]);
|
|
+
|
|
+ /* Wipe context */
|
|
+ memset(rctx, 0, sizeof(*rctx));
|
|
+}
|
|
+
|
|
+static struct crypto_alg alg = {
|
|
+ .cra_name = "rmd128",
|
|
+ .cra_driver_name = "rmd128",
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
|
|
+ .cra_blocksize = RMD128_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct rmd128_ctx),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
|
|
+ .cra_u = { .digest = {
|
|
+ .dia_digestsize = RMD128_DIGEST_SIZE,
|
|
+ .dia_init = rmd128_init,
|
|
+ .dia_update = rmd128_update,
|
|
+ .dia_final = rmd128_final } }
|
|
+};
|
|
+
|
|
+static int __init rmd128_mod_init(void)
|
|
+{
|
|
+ return crypto_register_alg(&alg);
|
|
+}
|
|
+
|
|
+static void __exit rmd128_mod_fini(void)
|
|
+{
|
|
+ crypto_unregister_alg(&alg);
|
|
+}
|
|
+
|
|
+module_init(rmd128_mod_init);
|
|
+module_exit(rmd128_mod_fini);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("RIPEMD-128 Message Digest");
|
|
+
|
|
+MODULE_ALIAS("rmd128");
|
|
--- /dev/null
|
|
+++ b/crypto/rmd160.c
|
|
@@ -0,0 +1,369 @@
|
|
+/*
|
|
+ * Cryptographic API.
|
|
+ *
|
|
+ * RIPEMD-160 - RACE Integrity Primitives Evaluation Message Digest.
|
|
+ *
|
|
+ * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
|
|
+ *
|
|
+ * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the Free
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * any later version.
|
|
+ *
|
|
+ */
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/cryptohash.h>
|
|
+#include <linux/types.h>
|
|
+#include <asm/byteorder.h>
|
|
+
|
|
+#include "ripemd.h"
|
|
+
|
|
+struct rmd160_ctx {
|
|
+ u64 byte_count;
|
|
+ u32 state[5];
|
|
+ __le32 buffer[16];
|
|
+};
|
|
+
|
|
+#define K1 RMD_K1
|
|
+#define K2 RMD_K2
|
|
+#define K3 RMD_K3
|
|
+#define K4 RMD_K4
|
|
+#define K5 RMD_K5
|
|
+#define KK1 RMD_K6
|
|
+#define KK2 RMD_K7
|
|
+#define KK3 RMD_K8
|
|
+#define KK4 RMD_K9
|
|
+#define KK5 RMD_K1
|
|
+
|
|
+#define F1(x, y, z) (x ^ y ^ z) /* XOR */
|
|
+#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
|
|
+#define F3(x, y, z) ((x | ~y) ^ z)
|
|
+#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
|
|
+#define F5(x, y, z) (x ^ (y | ~z))
|
|
+
|
|
+#define ROUND(a, b, c, d, e, f, k, x, s) { \
|
|
+ (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
|
|
+ (a) = rol32((a), (s)) + (e); \
|
|
+ (c) = rol32((c), 10); \
|
|
+}
|
|
+
|
|
+static void rmd160_transform(u32 *state, const __le32 *in)
|
|
+{
|
|
+ u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee;
|
|
+
|
|
+ /* Initialize left lane */
|
|
+ aa = state[0];
|
|
+ bb = state[1];
|
|
+ cc = state[2];
|
|
+ dd = state[3];
|
|
+ ee = state[4];
|
|
+
|
|
+ /* Initialize right lane */
|
|
+ aaa = state[0];
|
|
+ bbb = state[1];
|
|
+ ccc = state[2];
|
|
+ ddd = state[3];
|
|
+ eee = state[4];
|
|
+
|
|
+ /* round 1: left lane */
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[0], 11);
|
|
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[1], 14);
|
|
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[2], 15);
|
|
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[3], 12);
|
|
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[4], 5);
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[5], 8);
|
|
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[6], 7);
|
|
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[7], 9);
|
|
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[8], 11);
|
|
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[9], 13);
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[10], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[11], 15);
|
|
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[12], 6);
|
|
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[13], 7);
|
|
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[14], 9);
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[15], 8);
|
|
+
|
|
+ /* round 2: left lane" */
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
|
|
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[4], 6);
|
|
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[13], 8);
|
|
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[1], 13);
|
|
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[10], 11);
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[6], 9);
|
|
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[15], 7);
|
|
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[3], 15);
|
|
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[12], 7);
|
|
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[0], 12);
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[9], 15);
|
|
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[5], 9);
|
|
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[2], 11);
|
|
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[14], 7);
|
|
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[11], 13);
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[8], 12);
|
|
+
|
|
+ /* round 3: left lane" */
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
|
|
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[10], 13);
|
|
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[14], 6);
|
|
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[4], 7);
|
|
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[9], 14);
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[15], 9);
|
|
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[8], 13);
|
|
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[1], 15);
|
|
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[2], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[7], 8);
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[0], 13);
|
|
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[6], 6);
|
|
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[13], 5);
|
|
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[11], 12);
|
|
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[5], 7);
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[12], 5);
|
|
+
|
|
+ /* round 4: left lane" */
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
|
|
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[9], 12);
|
|
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[11], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[10], 15);
|
|
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[0], 14);
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[8], 15);
|
|
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[12], 9);
|
|
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[4], 8);
|
|
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[13], 9);
|
|
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[3], 14);
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[7], 5);
|
|
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[15], 6);
|
|
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[14], 8);
|
|
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[5], 6);
|
|
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[6], 5);
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[2], 12);
|
|
+
|
|
+ /* round 5: left lane" */
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
|
|
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[0], 15);
|
|
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[5], 5);
|
|
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[9], 11);
|
|
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[7], 6);
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[12], 8);
|
|
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[2], 13);
|
|
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[10], 12);
|
|
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[14], 5);
|
|
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[1], 12);
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[3], 13);
|
|
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[8], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[11], 11);
|
|
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[6], 8);
|
|
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[15], 5);
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[13], 6);
|
|
+
|
|
+ /* round 1: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[5], 8);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[14], 9);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[7], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[0], 11);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[9], 13);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[2], 15);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[11], 15);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[4], 5);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[13], 7);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[6], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[15], 8);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[8], 11);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[1], 14);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[10], 14);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[3], 12);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
|
|
+
|
|
+ /* round 2: right lane */
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[6], 9);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[11], 13);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[3], 15);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[7], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[0], 12);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[13], 8);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[5], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[10], 11);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[14], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[15], 7);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[8], 12);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[12], 7);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[4], 6);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[9], 15);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[1], 13);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
|
|
+
|
|
+ /* round 3: right lane */
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[15], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[5], 7);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[1], 15);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[3], 11);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[7], 8);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[14], 6);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[6], 6);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[9], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[11], 12);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[8], 13);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[12], 5);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[2], 14);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[10], 13);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[0], 13);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[4], 7);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
|
|
+
|
|
+ /* round 4: right lane */
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[8], 15);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[6], 5);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[4], 8);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[1], 11);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[3], 14);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[11], 14);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[15], 6);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[0], 14);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[5], 6);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[12], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[2], 12);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[13], 9);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[9], 12);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[7], 5);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[10], 15);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
|
|
+
|
|
+ /* round 5: right lane */
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[12], 8);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[15], 5);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[10], 12);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[4], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[1], 12);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[5], 5);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[8], 14);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[7], 6);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[6], 8);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[2], 13);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[13], 6);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[14], 5);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[0], 15);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[3], 13);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[9], 11);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
|
|
+
|
|
+ /* combine results */
|
|
+ ddd += cc + state[1]; /* final result for state[0] */
|
|
+ state[1] = state[2] + dd + eee;
|
|
+ state[2] = state[3] + ee + aaa;
|
|
+ state[3] = state[4] + aa + bbb;
|
|
+ state[4] = state[0] + bb + ccc;
|
|
+ state[0] = ddd;
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+static void rmd160_init(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct rmd160_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+
|
|
+ rctx->byte_count = 0;
|
|
+
|
|
+ rctx->state[0] = RMD_H0;
|
|
+ rctx->state[1] = RMD_H1;
|
|
+ rctx->state[2] = RMD_H2;
|
|
+ rctx->state[3] = RMD_H3;
|
|
+ rctx->state[4] = RMD_H4;
|
|
+
|
|
+ memset(rctx->buffer, 0, sizeof(rctx->buffer));
|
|
+}
|
|
+
|
|
+static void rmd160_update(struct crypto_tfm *tfm, const u8 *data,
|
|
+ unsigned int len)
|
|
+{
|
|
+ struct rmd160_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
|
|
+
|
|
+ rctx->byte_count += len;
|
|
+
|
|
+ /* Enough space in buffer? If so copy and we're done */
|
|
+ if (avail > len) {
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, len);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, avail);
|
|
+
|
|
+ rmd160_transform(rctx->state, rctx->buffer);
|
|
+ data += avail;
|
|
+ len -= avail;
|
|
+
|
|
+ while (len >= sizeof(rctx->buffer)) {
|
|
+ memcpy(rctx->buffer, data, sizeof(rctx->buffer));
|
|
+ rmd160_transform(rctx->state, rctx->buffer);
|
|
+ data += sizeof(rctx->buffer);
|
|
+ len -= sizeof(rctx->buffer);
|
|
+ }
|
|
+
|
|
+ memcpy(rctx->buffer, data, len);
|
|
+}
|
|
+
|
|
+/* Add padding and return the message digest. */
|
|
+static void rmd160_final(struct crypto_tfm *tfm, u8 *out)
|
|
+{
|
|
+ struct rmd160_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ u32 i, index, padlen;
|
|
+ __le64 bits;
|
|
+ __le32 *dst = (__le32 *)out;
|
|
+ static const u8 padding[64] = { 0x80, };
|
|
+
|
|
+ bits = cpu_to_le64(rctx->byte_count << 3);
|
|
+
|
|
+ /* Pad out to 56 mod 64 */
|
|
+ index = rctx->byte_count & 0x3f;
|
|
+ padlen = (index < 56) ? (56 - index) : ((64+56) - index);
|
|
+ rmd160_update(tfm, padding, padlen);
|
|
+
|
|
+ /* Append length */
|
|
+ rmd160_update(tfm, (const u8 *)&bits, sizeof(bits));
|
|
+
|
|
+ /* Store state in digest */
|
|
+ for (i = 0; i < 5; i++)
|
|
+ dst[i] = cpu_to_le32p(&rctx->state[i]);
|
|
+
|
|
+ /* Wipe context */
|
|
+ memset(rctx, 0, sizeof(*rctx));
|
|
+}
|
|
+
|
|
+static struct crypto_alg alg = {
|
|
+ .cra_name = "rmd160",
|
|
+ .cra_driver_name = "rmd160",
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
|
|
+ .cra_blocksize = RMD160_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct rmd160_ctx),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
|
|
+ .cra_u = { .digest = {
|
|
+ .dia_digestsize = RMD160_DIGEST_SIZE,
|
|
+ .dia_init = rmd160_init,
|
|
+ .dia_update = rmd160_update,
|
|
+ .dia_final = rmd160_final } }
|
|
+};
|
|
+
|
|
+static int __init rmd160_mod_init(void)
|
|
+{
|
|
+ return crypto_register_alg(&alg);
|
|
+}
|
|
+
|
|
+static void __exit rmd160_mod_fini(void)
|
|
+{
|
|
+ crypto_unregister_alg(&alg);
|
|
+}
|
|
+
|
|
+module_init(rmd160_mod_init);
|
|
+module_exit(rmd160_mod_fini);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("RIPEMD-160 Message Digest");
|
|
+
|
|
+MODULE_ALIAS("rmd160");
|
|
--- /dev/null
|
|
+++ b/crypto/rmd256.c
|
|
@@ -0,0 +1,344 @@
|
|
+/*
|
|
+ * Cryptographic API.
|
|
+ *
|
|
+ * RIPEMD-256 - RACE Integrity Primitives Evaluation Message Digest.
|
|
+ *
|
|
+ * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
|
|
+ *
|
|
+ * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the Free
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * any later version.
|
|
+ *
|
|
+ */
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/cryptohash.h>
|
|
+#include <linux/types.h>
|
|
+#include <asm/byteorder.h>
|
|
+
|
|
+#include "ripemd.h"
|
|
+
|
|
+struct rmd256_ctx {
|
|
+ u64 byte_count;
|
|
+ u32 state[8];
|
|
+ __le32 buffer[16];
|
|
+};
|
|
+
|
|
+#define K1 RMD_K1
|
|
+#define K2 RMD_K2
|
|
+#define K3 RMD_K3
|
|
+#define K4 RMD_K4
|
|
+#define KK1 RMD_K6
|
|
+#define KK2 RMD_K7
|
|
+#define KK3 RMD_K8
|
|
+#define KK4 RMD_K1
|
|
+
|
|
+#define F1(x, y, z) (x ^ y ^ z) /* XOR */
|
|
+#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
|
|
+#define F3(x, y, z) ((x | ~y) ^ z)
|
|
+#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
|
|
+
|
|
+#define ROUND(a, b, c, d, f, k, x, s) { \
|
|
+ (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
|
|
+ (a) = rol32((a), (s)); \
|
|
+}
|
|
+
|
|
+static void rmd256_transform(u32 *state, const __le32 *in)
|
|
+{
|
|
+ u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd, tmp;
|
|
+
|
|
+ /* Initialize left lane */
|
|
+ aa = state[0];
|
|
+ bb = state[1];
|
|
+ cc = state[2];
|
|
+ dd = state[3];
|
|
+
|
|
+ /* Initialize right lane */
|
|
+ aaa = state[4];
|
|
+ bbb = state[5];
|
|
+ ccc = state[6];
|
|
+ ddd = state[7];
|
|
+
|
|
+ /* round 1: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[0], 11);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[1], 14);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[2], 15);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[3], 12);
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[4], 5);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[5], 8);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[6], 7);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[7], 9);
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[8], 11);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[9], 13);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[10], 14);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[11], 15);
|
|
+ ROUND(aa, bb, cc, dd, F1, K1, in[12], 6);
|
|
+ ROUND(dd, aa, bb, cc, F1, K1, in[13], 7);
|
|
+ ROUND(cc, dd, aa, bb, F1, K1, in[14], 9);
|
|
+ ROUND(bb, cc, dd, aa, F1, K1, in[15], 8);
|
|
+
|
|
+ /* round 1: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[5], 8);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[14], 9);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[7], 9);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[0], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[9], 13);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[2], 15);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[11], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[4], 5);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[13], 7);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[6], 7);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[15], 8);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[8], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[1], 14);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[10], 14);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[3], 12);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
|
|
+
|
|
+ /* Swap contents of "a" registers */
|
|
+ tmp = aa; aa = aaa; aaa = tmp;
|
|
+
|
|
+ /* round 2: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[4], 6);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[13], 8);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[1], 13);
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[10], 11);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[6], 9);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[15], 7);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[3], 15);
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[12], 7);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[0], 12);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[9], 15);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[5], 9);
|
|
+ ROUND(aa, bb, cc, dd, F2, K2, in[2], 11);
|
|
+ ROUND(dd, aa, bb, cc, F2, K2, in[14], 7);
|
|
+ ROUND(cc, dd, aa, bb, F2, K2, in[11], 13);
|
|
+ ROUND(bb, cc, dd, aa, F2, K2, in[8], 12);
|
|
+
|
|
+ /* round 2: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[6], 9);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[11], 13);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[3], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[7], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[0], 12);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[13], 8);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[5], 9);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[10], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[14], 7);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[15], 7);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[8], 12);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[12], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[4], 6);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[9], 15);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[1], 13);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
|
|
+
|
|
+ /* Swap contents of "b" registers */
|
|
+ tmp = bb; bb = bbb; bbb = tmp;
|
|
+
|
|
+ /* round 3: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[10], 13);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[14], 6);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[4], 7);
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[9], 14);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[15], 9);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[8], 13);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[1], 15);
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[2], 14);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[7], 8);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[0], 13);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[6], 6);
|
|
+ ROUND(aa, bb, cc, dd, F3, K3, in[13], 5);
|
|
+ ROUND(dd, aa, bb, cc, F3, K3, in[11], 12);
|
|
+ ROUND(cc, dd, aa, bb, F3, K3, in[5], 7);
|
|
+ ROUND(bb, cc, dd, aa, F3, K3, in[12], 5);
|
|
+
|
|
+ /* round 3: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[15], 9);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[5], 7);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[1], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[3], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[7], 8);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[14], 6);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[6], 6);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[9], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[11], 12);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[8], 13);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[12], 5);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[2], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[10], 13);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[0], 13);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[4], 7);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
|
|
+
|
|
+ /* Swap contents of "c" registers */
|
|
+ tmp = cc; cc = ccc; ccc = tmp;
|
|
+
|
|
+ /* round 4: left lane */
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[9], 12);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[11], 14);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[10], 15);
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[0], 14);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[8], 15);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[12], 9);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[4], 8);
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[13], 9);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[3], 14);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[7], 5);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[15], 6);
|
|
+ ROUND(aa, bb, cc, dd, F4, K4, in[14], 8);
|
|
+ ROUND(dd, aa, bb, cc, F4, K4, in[5], 6);
|
|
+ ROUND(cc, dd, aa, bb, F4, K4, in[6], 5);
|
|
+ ROUND(bb, cc, dd, aa, F4, K4, in[2], 12);
|
|
+
|
|
+ /* round 4: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[8], 15);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[6], 5);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[4], 8);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[1], 11);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[3], 14);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[11], 14);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[15], 6);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[0], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[5], 6);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[12], 9);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[2], 12);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[13], 9);
|
|
+ ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[9], 12);
|
|
+ ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[7], 5);
|
|
+ ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[10], 15);
|
|
+ ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
|
|
+
|
|
+ /* Swap contents of "d" registers */
|
|
+ tmp = dd; dd = ddd; ddd = tmp;
|
|
+
|
|
+ /* combine results */
|
|
+ state[0] += aa;
|
|
+ state[1] += bb;
|
|
+ state[2] += cc;
|
|
+ state[3] += dd;
|
|
+ state[4] += aaa;
|
|
+ state[5] += bbb;
|
|
+ state[6] += ccc;
|
|
+ state[7] += ddd;
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+static void rmd256_init(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+
|
|
+ rctx->byte_count = 0;
|
|
+
|
|
+ rctx->state[0] = RMD_H0;
|
|
+ rctx->state[1] = RMD_H1;
|
|
+ rctx->state[2] = RMD_H2;
|
|
+ rctx->state[3] = RMD_H3;
|
|
+ rctx->state[4] = RMD_H5;
|
|
+ rctx->state[5] = RMD_H6;
|
|
+ rctx->state[6] = RMD_H7;
|
|
+ rctx->state[7] = RMD_H8;
|
|
+
|
|
+ memset(rctx->buffer, 0, sizeof(rctx->buffer));
|
|
+}
|
|
+
|
|
+static void rmd256_update(struct crypto_tfm *tfm, const u8 *data,
|
|
+ unsigned int len)
|
|
+{
|
|
+ struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
|
|
+
|
|
+ rctx->byte_count += len;
|
|
+
|
|
+ /* Enough space in buffer? If so copy and we're done */
|
|
+ if (avail > len) {
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, len);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, avail);
|
|
+
|
|
+ rmd256_transform(rctx->state, rctx->buffer);
|
|
+ data += avail;
|
|
+ len -= avail;
|
|
+
|
|
+ while (len >= sizeof(rctx->buffer)) {
|
|
+ memcpy(rctx->buffer, data, sizeof(rctx->buffer));
|
|
+ rmd256_transform(rctx->state, rctx->buffer);
|
|
+ data += sizeof(rctx->buffer);
|
|
+ len -= sizeof(rctx->buffer);
|
|
+ }
|
|
+
|
|
+ memcpy(rctx->buffer, data, len);
|
|
+}
|
|
+
|
|
+/* Add padding and return the message digest. */
|
|
+static void rmd256_final(struct crypto_tfm *tfm, u8 *out)
|
|
+{
|
|
+ struct rmd256_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ u32 i, index, padlen;
|
|
+ __le64 bits;
|
|
+ __le32 *dst = (__le32 *)out;
|
|
+ static const u8 padding[64] = { 0x80, };
|
|
+
|
|
+ bits = cpu_to_le64(rctx->byte_count << 3);
|
|
+
|
|
+ /* Pad out to 56 mod 64 */
|
|
+ index = rctx->byte_count & 0x3f;
|
|
+ padlen = (index < 56) ? (56 - index) : ((64+56) - index);
|
|
+ rmd256_update(tfm, padding, padlen);
|
|
+
|
|
+ /* Append length */
|
|
+ rmd256_update(tfm, (const u8 *)&bits, sizeof(bits));
|
|
+
|
|
+ /* Store state in digest */
|
|
+ for (i = 0; i < 8; i++)
|
|
+ dst[i] = cpu_to_le32p(&rctx->state[i]);
|
|
+
|
|
+ /* Wipe context */
|
|
+ memset(rctx, 0, sizeof(*rctx));
|
|
+}
|
|
+
|
|
+static struct crypto_alg alg = {
|
|
+ .cra_name = "rmd256",
|
|
+ .cra_driver_name = "rmd256",
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
|
|
+ .cra_blocksize = RMD256_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct rmd256_ctx),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
|
|
+ .cra_u = { .digest = {
|
|
+ .dia_digestsize = RMD256_DIGEST_SIZE,
|
|
+ .dia_init = rmd256_init,
|
|
+ .dia_update = rmd256_update,
|
|
+ .dia_final = rmd256_final } }
|
|
+};
|
|
+
|
|
+static int __init rmd256_mod_init(void)
|
|
+{
|
|
+ return crypto_register_alg(&alg);
|
|
+}
|
|
+
|
|
+static void __exit rmd256_mod_fini(void)
|
|
+{
|
|
+ crypto_unregister_alg(&alg);
|
|
+}
|
|
+
|
|
+module_init(rmd256_mod_init);
|
|
+module_exit(rmd256_mod_fini);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("RIPEMD-256 Message Digest");
|
|
+
|
|
+MODULE_ALIAS("rmd256");
|
|
--- /dev/null
|
|
+++ b/crypto/rmd320.c
|
|
@@ -0,0 +1,393 @@
|
|
+/*
|
|
+ * Cryptographic API.
|
|
+ *
|
|
+ * RIPEMD-320 - RACE Integrity Primitives Evaluation Message Digest.
|
|
+ *
|
|
+ * Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
|
|
+ *
|
|
+ * Copyright (c) 2008 Adrian-Ken Rueegsegger <rueegsegger (at) swiss-it.ch>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the Free
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * any later version.
|
|
+ *
|
|
+ */
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/cryptohash.h>
|
|
+#include <linux/types.h>
|
|
+#include <asm/byteorder.h>
|
|
+
|
|
+#include "ripemd.h"
|
|
+
|
|
+struct rmd320_ctx {
|
|
+ u64 byte_count;
|
|
+ u32 state[10];
|
|
+ __le32 buffer[16];
|
|
+};
|
|
+
|
|
+#define K1 RMD_K1
|
|
+#define K2 RMD_K2
|
|
+#define K3 RMD_K3
|
|
+#define K4 RMD_K4
|
|
+#define K5 RMD_K5
|
|
+#define KK1 RMD_K6
|
|
+#define KK2 RMD_K7
|
|
+#define KK3 RMD_K8
|
|
+#define KK4 RMD_K9
|
|
+#define KK5 RMD_K1
|
|
+
|
|
+#define F1(x, y, z) (x ^ y ^ z) /* XOR */
|
|
+#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
|
|
+#define F3(x, y, z) ((x | ~y) ^ z)
|
|
+#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
|
|
+#define F5(x, y, z) (x ^ (y | ~z))
|
|
+
|
|
+#define ROUND(a, b, c, d, e, f, k, x, s) { \
|
|
+ (a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
|
|
+ (a) = rol32((a), (s)) + (e); \
|
|
+ (c) = rol32((c), 10); \
|
|
+}
|
|
+
|
|
+static void rmd320_transform(u32 *state, const __le32 *in)
|
|
+{
|
|
+ u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee, tmp;
|
|
+
|
|
+ /* Initialize left lane */
|
|
+ aa = state[0];
|
|
+ bb = state[1];
|
|
+ cc = state[2];
|
|
+ dd = state[3];
|
|
+ ee = state[4];
|
|
+
|
|
+ /* Initialize right lane */
|
|
+ aaa = state[5];
|
|
+ bbb = state[6];
|
|
+ ccc = state[7];
|
|
+ ddd = state[8];
|
|
+ eee = state[9];
|
|
+
|
|
+ /* round 1: left lane */
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[0], 11);
|
|
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[1], 14);
|
|
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[2], 15);
|
|
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[3], 12);
|
|
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[4], 5);
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[5], 8);
|
|
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[6], 7);
|
|
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[7], 9);
|
|
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[8], 11);
|
|
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[9], 13);
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[10], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F1, K1, in[11], 15);
|
|
+ ROUND(dd, ee, aa, bb, cc, F1, K1, in[12], 6);
|
|
+ ROUND(cc, dd, ee, aa, bb, F1, K1, in[13], 7);
|
|
+ ROUND(bb, cc, dd, ee, aa, F1, K1, in[14], 9);
|
|
+ ROUND(aa, bb, cc, dd, ee, F1, K1, in[15], 8);
|
|
+
|
|
+ /* round 1: right lane */
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[5], 8);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[14], 9);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[7], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[0], 11);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[9], 13);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[2], 15);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[11], 15);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[4], 5);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[13], 7);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[6], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[15], 8);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[8], 11);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[1], 14);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[10], 14);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[3], 12);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
|
|
+
|
|
+ /* Swap contents of "a" registers */
|
|
+ tmp = aa; aa = aaa; aaa = tmp;
|
|
+
|
|
+ /* round 2: left lane" */
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
|
|
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[4], 6);
|
|
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[13], 8);
|
|
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[1], 13);
|
|
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[10], 11);
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[6], 9);
|
|
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[15], 7);
|
|
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[3], 15);
|
|
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[12], 7);
|
|
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[0], 12);
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[9], 15);
|
|
+ ROUND(dd, ee, aa, bb, cc, F2, K2, in[5], 9);
|
|
+ ROUND(cc, dd, ee, aa, bb, F2, K2, in[2], 11);
|
|
+ ROUND(bb, cc, dd, ee, aa, F2, K2, in[14], 7);
|
|
+ ROUND(aa, bb, cc, dd, ee, F2, K2, in[11], 13);
|
|
+ ROUND(ee, aa, bb, cc, dd, F2, K2, in[8], 12);
|
|
+
|
|
+ /* round 2: right lane */
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[6], 9);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[11], 13);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[3], 15);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[7], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[0], 12);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[13], 8);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[5], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[10], 11);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[14], 7);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[15], 7);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[8], 12);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[12], 7);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[4], 6);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[9], 15);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[1], 13);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
|
|
+
|
|
+ /* Swap contents of "b" registers */
|
|
+ tmp = bb; bb = bbb; bbb = tmp;
|
|
+
|
|
+ /* round 3: left lane" */
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
|
|
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[10], 13);
|
|
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[14], 6);
|
|
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[4], 7);
|
|
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[9], 14);
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[15], 9);
|
|
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[8], 13);
|
|
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[1], 15);
|
|
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[2], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[7], 8);
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[0], 13);
|
|
+ ROUND(cc, dd, ee, aa, bb, F3, K3, in[6], 6);
|
|
+ ROUND(bb, cc, dd, ee, aa, F3, K3, in[13], 5);
|
|
+ ROUND(aa, bb, cc, dd, ee, F3, K3, in[11], 12);
|
|
+ ROUND(ee, aa, bb, cc, dd, F3, K3, in[5], 7);
|
|
+ ROUND(dd, ee, aa, bb, cc, F3, K3, in[12], 5);
|
|
+
|
|
+ /* round 3: right lane */
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[15], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[5], 7);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[1], 15);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[3], 11);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[7], 8);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[14], 6);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[6], 6);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[9], 14);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[11], 12);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[8], 13);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[12], 5);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[2], 14);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[10], 13);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[0], 13);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[4], 7);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
|
|
+
|
|
+ /* Swap contents of "c" registers */
|
|
+ tmp = cc; cc = ccc; ccc = tmp;
|
|
+
|
|
+ /* round 4: left lane" */
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
|
|
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[9], 12);
|
|
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[11], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[10], 15);
|
|
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[0], 14);
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[8], 15);
|
|
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[12], 9);
|
|
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[4], 8);
|
|
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[13], 9);
|
|
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[3], 14);
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[7], 5);
|
|
+ ROUND(bb, cc, dd, ee, aa, F4, K4, in[15], 6);
|
|
+ ROUND(aa, bb, cc, dd, ee, F4, K4, in[14], 8);
|
|
+ ROUND(ee, aa, bb, cc, dd, F4, K4, in[5], 6);
|
|
+ ROUND(dd, ee, aa, bb, cc, F4, K4, in[6], 5);
|
|
+ ROUND(cc, dd, ee, aa, bb, F4, K4, in[2], 12);
|
|
+
|
|
+ /* round 4: right lane */
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[8], 15);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[6], 5);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[4], 8);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[1], 11);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[3], 14);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[11], 14);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[15], 6);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[0], 14);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[5], 6);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[12], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[2], 12);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[13], 9);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[9], 12);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[7], 5);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[10], 15);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
|
|
+
|
|
+ /* Swap contents of "d" registers */
|
|
+ tmp = dd; dd = ddd; ddd = tmp;
|
|
+
|
|
+ /* round 5: left lane" */
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
|
|
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[0], 15);
|
|
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[5], 5);
|
|
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[9], 11);
|
|
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[7], 6);
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[12], 8);
|
|
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[2], 13);
|
|
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[10], 12);
|
|
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[14], 5);
|
|
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[1], 12);
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[3], 13);
|
|
+ ROUND(aa, bb, cc, dd, ee, F5, K5, in[8], 14);
|
|
+ ROUND(ee, aa, bb, cc, dd, F5, K5, in[11], 11);
|
|
+ ROUND(dd, ee, aa, bb, cc, F5, K5, in[6], 8);
|
|
+ ROUND(cc, dd, ee, aa, bb, F5, K5, in[15], 5);
|
|
+ ROUND(bb, cc, dd, ee, aa, F5, K5, in[13], 6);
|
|
+
|
|
+ /* round 5: right lane */
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[12], 8);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[15], 5);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[10], 12);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[4], 9);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[1], 12);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[5], 5);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[8], 14);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[7], 6);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[6], 8);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[2], 13);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[13], 6);
|
|
+ ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[14], 5);
|
|
+ ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[0], 15);
|
|
+ ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[3], 13);
|
|
+ ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[9], 11);
|
|
+ ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
|
|
+
|
|
+ /* Swap contents of "e" registers */
|
|
+ tmp = ee; ee = eee; eee = tmp;
|
|
+
|
|
+ /* combine results */
|
|
+ state[0] += aa;
|
|
+ state[1] += bb;
|
|
+ state[2] += cc;
|
|
+ state[3] += dd;
|
|
+ state[4] += ee;
|
|
+ state[5] += aaa;
|
|
+ state[6] += bbb;
|
|
+ state[7] += ccc;
|
|
+ state[8] += ddd;
|
|
+ state[9] += eee;
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+static void rmd320_init(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+
|
|
+ rctx->byte_count = 0;
|
|
+
|
|
+ rctx->state[0] = RMD_H0;
|
|
+ rctx->state[1] = RMD_H1;
|
|
+ rctx->state[2] = RMD_H2;
|
|
+ rctx->state[3] = RMD_H3;
|
|
+ rctx->state[4] = RMD_H4;
|
|
+ rctx->state[5] = RMD_H5;
|
|
+ rctx->state[6] = RMD_H6;
|
|
+ rctx->state[7] = RMD_H7;
|
|
+ rctx->state[8] = RMD_H8;
|
|
+ rctx->state[9] = RMD_H9;
|
|
+
|
|
+ memset(rctx->buffer, 0, sizeof(rctx->buffer));
|
|
+}
|
|
+
|
|
+static void rmd320_update(struct crypto_tfm *tfm, const u8 *data,
|
|
+ unsigned int len)
|
|
+{
|
|
+ struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
|
|
+
|
|
+ rctx->byte_count += len;
|
|
+
|
|
+ /* Enough space in buffer? If so copy and we're done */
|
|
+ if (avail > len) {
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, len);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
|
|
+ data, avail);
|
|
+
|
|
+ rmd320_transform(rctx->state, rctx->buffer);
|
|
+ data += avail;
|
|
+ len -= avail;
|
|
+
|
|
+ while (len >= sizeof(rctx->buffer)) {
|
|
+ memcpy(rctx->buffer, data, sizeof(rctx->buffer));
|
|
+ rmd320_transform(rctx->state, rctx->buffer);
|
|
+ data += sizeof(rctx->buffer);
|
|
+ len -= sizeof(rctx->buffer);
|
|
+ }
|
|
+
|
|
+ memcpy(rctx->buffer, data, len);
|
|
+}
|
|
+
|
|
+/* Add padding and return the message digest. */
|
|
+static void rmd320_final(struct crypto_tfm *tfm, u8 *out)
|
|
+{
|
|
+ struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm);
|
|
+ u32 i, index, padlen;
|
|
+ __le64 bits;
|
|
+ __le32 *dst = (__le32 *)out;
|
|
+ static const u8 padding[64] = { 0x80, };
|
|
+
|
|
+ bits = cpu_to_le64(rctx->byte_count << 3);
|
|
+
|
|
+ /* Pad out to 56 mod 64 */
|
|
+ index = rctx->byte_count & 0x3f;
|
|
+ padlen = (index < 56) ? (56 - index) : ((64+56) - index);
|
|
+ rmd320_update(tfm, padding, padlen);
|
|
+
|
|
+ /* Append length */
|
|
+ rmd320_update(tfm, (const u8 *)&bits, sizeof(bits));
|
|
+
|
|
+ /* Store state in digest */
|
|
+ for (i = 0; i < 10; i++)
|
|
+ dst[i] = cpu_to_le32p(&rctx->state[i]);
|
|
+
|
|
+ /* Wipe context */
|
|
+ memset(rctx, 0, sizeof(*rctx));
|
|
+}
|
|
+
|
|
+static struct crypto_alg alg = {
|
|
+ .cra_name = "rmd320",
|
|
+ .cra_driver_name = "rmd320",
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
|
|
+ .cra_blocksize = RMD320_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct rmd320_ctx),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_list = LIST_HEAD_INIT(alg.cra_list),
|
|
+ .cra_u = { .digest = {
|
|
+ .dia_digestsize = RMD320_DIGEST_SIZE,
|
|
+ .dia_init = rmd320_init,
|
|
+ .dia_update = rmd320_update,
|
|
+ .dia_final = rmd320_final } }
|
|
+};
|
|
+
|
|
+static int __init rmd320_mod_init(void)
|
|
+{
|
|
+ return crypto_register_alg(&alg);
|
|
+}
|
|
+
|
|
+static void __exit rmd320_mod_fini(void)
|
|
+{
|
|
+ crypto_unregister_alg(&alg);
|
|
+}
|
|
+
|
|
+module_init(rmd320_mod_init);
|
|
+module_exit(rmd320_mod_fini);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("RIPEMD-320 Message Digest");
|
|
+
|
|
+MODULE_ALIAS("rmd320");
|
|
--- a/crypto/tcrypt.c
|
|
+++ b/crypto/tcrypt.c
|
|
@@ -13,15 +13,9 @@
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
- * 2007-11-13 Added GCM tests
|
|
- * 2007-11-13 Added AEAD support
|
|
- * 2007-11-06 Added SHA-224 and SHA-224-HMAC tests
|
|
- * 2006-12-07 Added SHA384 HMAC and SHA512 HMAC tests
|
|
- * 2004-08-09 Added cipher speed tests (Reyk Floeter <reyk@vantronix.net>)
|
|
- * 2003-09-14 Rewritten by Kartikey Mahendra Bhatt
|
|
- *
|
|
*/
|
|
|
|
+#include <crypto/hash.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
@@ -30,7 +24,6 @@
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/string.h>
|
|
#include <linux/crypto.h>
|
|
-#include <linux/highmem.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/jiffies.h>
|
|
#include <linux/timex.h>
|
|
@@ -38,7 +31,7 @@
|
|
#include "tcrypt.h"
|
|
|
|
/*
|
|
- * Need to kmalloc() memory for testing kmap().
|
|
+ * Need to kmalloc() memory for testing.
|
|
*/
|
|
#define TVMEMSIZE 16384
|
|
#define XBUFSIZE 32768
|
|
@@ -46,7 +39,7 @@
|
|
/*
|
|
* Indexes into the xbuf to simulate cross-page access.
|
|
*/
|
|
-#define IDX1 37
|
|
+#define IDX1 32
|
|
#define IDX2 32400
|
|
#define IDX3 1
|
|
#define IDX4 8193
|
|
@@ -83,7 +76,8 @@
|
|
"blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
|
|
"cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
|
|
"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
|
|
- "camellia", "seed", "salsa20", "lzo", "cts", NULL
|
|
+ "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
|
|
+ "lzo", "cts", NULL
|
|
};
|
|
|
|
static void hexdump(unsigned char *buf, unsigned int len)
|
|
@@ -110,22 +104,30 @@
|
|
unsigned int i, j, k, temp;
|
|
struct scatterlist sg[8];
|
|
char result[64];
|
|
- struct crypto_hash *tfm;
|
|
- struct hash_desc desc;
|
|
+ struct crypto_ahash *tfm;
|
|
+ struct ahash_request *req;
|
|
+ struct tcrypt_result tresult;
|
|
int ret;
|
|
void *hash_buff;
|
|
|
|
printk("\ntesting %s\n", algo);
|
|
|
|
- tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
|
|
+ init_completion(&tresult.completion);
|
|
+
|
|
+ tfm = crypto_alloc_ahash(algo, 0, 0);
|
|
if (IS_ERR(tfm)) {
|
|
printk("failed to load transform for %s: %ld\n", algo,
|
|
PTR_ERR(tfm));
|
|
return;
|
|
}
|
|
|
|
- desc.tfm = tfm;
|
|
- desc.flags = 0;
|
|
+ req = ahash_request_alloc(tfm, GFP_KERNEL);
|
|
+ if (!req) {
|
|
+ printk(KERN_ERR "failed to allocate request for %s\n", algo);
|
|
+ goto out_noreq;
|
|
+ }
|
|
+ ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
|
|
+ tcrypt_complete, &tresult);
|
|
|
|
for (i = 0; i < tcount; i++) {
|
|
printk("test %u:\n", i + 1);
|
|
@@ -139,8 +141,9 @@
|
|
sg_init_one(&sg[0], hash_buff, template[i].psize);
|
|
|
|
if (template[i].ksize) {
|
|
- ret = crypto_hash_setkey(tfm, template[i].key,
|
|
- template[i].ksize);
|
|
+ crypto_ahash_clear_flags(tfm, ~0);
|
|
+ ret = crypto_ahash_setkey(tfm, template[i].key,
|
|
+ template[i].ksize);
|
|
if (ret) {
|
|
printk("setkey() failed ret=%d\n", ret);
|
|
kfree(hash_buff);
|
|
@@ -148,17 +151,30 @@
|
|
}
|
|
}
|
|
|
|
- ret = crypto_hash_digest(&desc, sg, template[i].psize, result);
|
|
- if (ret) {
|
|
+ ahash_request_set_crypt(req, sg, result, template[i].psize);
|
|
+ ret = crypto_ahash_digest(req);
|
|
+ switch (ret) {
|
|
+ case 0:
|
|
+ break;
|
|
+ case -EINPROGRESS:
|
|
+ case -EBUSY:
|
|
+ ret = wait_for_completion_interruptible(
|
|
+ &tresult.completion);
|
|
+ if (!ret && !(ret = tresult.err)) {
|
|
+ INIT_COMPLETION(tresult.completion);
|
|
+ break;
|
|
+ }
|
|
+ /* fall through */
|
|
+ default:
|
|
printk("digest () failed ret=%d\n", ret);
|
|
kfree(hash_buff);
|
|
goto out;
|
|
}
|
|
|
|
- hexdump(result, crypto_hash_digestsize(tfm));
|
|
+ hexdump(result, crypto_ahash_digestsize(tfm));
|
|
printk("%s\n",
|
|
memcmp(result, template[i].digest,
|
|
- crypto_hash_digestsize(tfm)) ?
|
|
+ crypto_ahash_digestsize(tfm)) ?
|
|
"fail" : "pass");
|
|
kfree(hash_buff);
|
|
}
|
|
@@ -187,8 +203,9 @@
|
|
}
|
|
|
|
if (template[i].ksize) {
|
|
- ret = crypto_hash_setkey(tfm, template[i].key,
|
|
- template[i].ksize);
|
|
+ crypto_ahash_clear_flags(tfm, ~0);
|
|
+ ret = crypto_ahash_setkey(tfm, template[i].key,
|
|
+ template[i].ksize);
|
|
|
|
if (ret) {
|
|
printk("setkey() failed ret=%d\n", ret);
|
|
@@ -196,29 +213,44 @@
|
|
}
|
|
}
|
|
|
|
- ret = crypto_hash_digest(&desc, sg, template[i].psize,
|
|
- result);
|
|
- if (ret) {
|
|
+ ahash_request_set_crypt(req, sg, result,
|
|
+ template[i].psize);
|
|
+ ret = crypto_ahash_digest(req);
|
|
+ switch (ret) {
|
|
+ case 0:
|
|
+ break;
|
|
+ case -EINPROGRESS:
|
|
+ case -EBUSY:
|
|
+ ret = wait_for_completion_interruptible(
|
|
+ &tresult.completion);
|
|
+ if (!ret && !(ret = tresult.err)) {
|
|
+ INIT_COMPLETION(tresult.completion);
|
|
+ break;
|
|
+ }
|
|
+ /* fall through */
|
|
+ default:
|
|
printk("digest () failed ret=%d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
- hexdump(result, crypto_hash_digestsize(tfm));
|
|
+ hexdump(result, crypto_ahash_digestsize(tfm));
|
|
printk("%s\n",
|
|
memcmp(result, template[i].digest,
|
|
- crypto_hash_digestsize(tfm)) ?
|
|
+ crypto_ahash_digestsize(tfm)) ?
|
|
"fail" : "pass");
|
|
}
|
|
}
|
|
|
|
out:
|
|
- crypto_free_hash(tfm);
|
|
+ ahash_request_free(req);
|
|
+out_noreq:
|
|
+ crypto_free_ahash(tfm);
|
|
}
|
|
|
|
static void test_aead(char *algo, int enc, struct aead_testvec *template,
|
|
unsigned int tcount)
|
|
{
|
|
- unsigned int ret, i, j, k, temp;
|
|
+ unsigned int ret, i, j, k, n, temp;
|
|
char *q;
|
|
struct crypto_aead *tfm;
|
|
char *key;
|
|
@@ -344,13 +376,12 @@
|
|
goto next_one;
|
|
}
|
|
|
|
- q = kmap(sg_page(&sg[0])) + sg[0].offset;
|
|
+ q = input;
|
|
hexdump(q, template[i].rlen);
|
|
|
|
printk(KERN_INFO "enc/dec: %s\n",
|
|
memcmp(q, template[i].result,
|
|
template[i].rlen) ? "fail" : "pass");
|
|
- kunmap(sg_page(&sg[0]));
|
|
next_one:
|
|
if (!template[i].key)
|
|
kfree(key);
|
|
@@ -360,7 +391,6 @@
|
|
}
|
|
|
|
printk(KERN_INFO "\ntesting %s %s across pages (chunking)\n", algo, e);
|
|
- memset(xbuf, 0, XBUFSIZE);
|
|
memset(axbuf, 0, XBUFSIZE);
|
|
|
|
for (i = 0, j = 0; i < tcount; i++) {
|
|
@@ -388,6 +418,7 @@
|
|
goto out;
|
|
}
|
|
|
|
+ memset(xbuf, 0, XBUFSIZE);
|
|
sg_init_table(sg, template[i].np);
|
|
for (k = 0, temp = 0; k < template[i].np; k++) {
|
|
memcpy(&xbuf[IDX[k]],
|
|
@@ -450,7 +481,7 @@
|
|
|
|
for (k = 0, temp = 0; k < template[i].np; k++) {
|
|
printk(KERN_INFO "page %u\n", k);
|
|
- q = kmap(sg_page(&sg[k])) + sg[k].offset;
|
|
+ q = &axbuf[IDX[k]];
|
|
hexdump(q, template[i].tap[k]);
|
|
printk(KERN_INFO "%s\n",
|
|
memcmp(q, template[i].result + temp,
|
|
@@ -459,8 +490,15 @@
|
|
0 : authsize)) ?
|
|
"fail" : "pass");
|
|
|
|
+ for (n = 0; q[template[i].tap[k] + n]; n++)
|
|
+ ;
|
|
+ if (n) {
|
|
+ printk("Result buffer corruption %u "
|
|
+ "bytes:\n", n);
|
|
+ hexdump(&q[template[i].tap[k]], n);
|
|
+ }
|
|
+
|
|
temp += template[i].tap[k];
|
|
- kunmap(sg_page(&sg[k]));
|
|
}
|
|
}
|
|
}
|
|
@@ -473,7 +511,7 @@
|
|
static void test_cipher(char *algo, int enc,
|
|
struct cipher_testvec *template, unsigned int tcount)
|
|
{
|
|
- unsigned int ret, i, j, k, temp;
|
|
+ unsigned int ret, i, j, k, n, temp;
|
|
char *q;
|
|
struct crypto_ablkcipher *tfm;
|
|
struct ablkcipher_request *req;
|
|
@@ -569,19 +607,17 @@
|
|
goto out;
|
|
}
|
|
|
|
- q = kmap(sg_page(&sg[0])) + sg[0].offset;
|
|
+ q = data;
|
|
hexdump(q, template[i].rlen);
|
|
|
|
printk("%s\n",
|
|
memcmp(q, template[i].result,
|
|
template[i].rlen) ? "fail" : "pass");
|
|
- kunmap(sg_page(&sg[0]));
|
|
}
|
|
kfree(data);
|
|
}
|
|
|
|
printk("\ntesting %s %s across pages (chunking)\n", algo, e);
|
|
- memset(xbuf, 0, XBUFSIZE);
|
|
|
|
j = 0;
|
|
for (i = 0; i < tcount; i++) {
|
|
@@ -596,6 +632,7 @@
|
|
printk("test %u (%d bit key):\n",
|
|
j, template[i].klen * 8);
|
|
|
|
+ memset(xbuf, 0, XBUFSIZE);
|
|
crypto_ablkcipher_clear_flags(tfm, ~0);
|
|
if (template[i].wk)
|
|
crypto_ablkcipher_set_flags(
|
|
@@ -649,14 +686,21 @@
|
|
temp = 0;
|
|
for (k = 0; k < template[i].np; k++) {
|
|
printk("page %u\n", k);
|
|
- q = kmap(sg_page(&sg[k])) + sg[k].offset;
|
|
+ q = &xbuf[IDX[k]];
|
|
hexdump(q, template[i].tap[k]);
|
|
printk("%s\n",
|
|
memcmp(q, template[i].result + temp,
|
|
template[i].tap[k]) ? "fail" :
|
|
"pass");
|
|
+
|
|
+ for (n = 0; q[template[i].tap[k] + n]; n++)
|
|
+ ;
|
|
+ if (n) {
|
|
+ printk("Result buffer corruption %u "
|
|
+ "bytes:\n", n);
|
|
+ hexdump(&q[template[i].tap[k]], n);
|
|
+ }
|
|
temp += template[i].tap[k];
|
|
- kunmap(sg_page(&sg[k]));
|
|
}
|
|
}
|
|
}
|
|
@@ -1172,6 +1216,14 @@
|
|
test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
|
|
DES3_EDE_DEC_TEST_VECTORS);
|
|
|
|
+ test_cipher("cbc(des3_ede)", ENCRYPT,
|
|
+ des3_ede_cbc_enc_tv_template,
|
|
+ DES3_EDE_CBC_ENC_TEST_VECTORS);
|
|
+
|
|
+ test_cipher("cbc(des3_ede)", DECRYPT,
|
|
+ des3_ede_cbc_dec_tv_template,
|
|
+ DES3_EDE_CBC_DEC_TEST_VECTORS);
|
|
+
|
|
test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
|
|
|
|
test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
|
|
@@ -1382,6 +1434,14 @@
|
|
DES3_EDE_ENC_TEST_VECTORS);
|
|
test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
|
|
DES3_EDE_DEC_TEST_VECTORS);
|
|
+
|
|
+ test_cipher("cbc(des3_ede)", ENCRYPT,
|
|
+ des3_ede_cbc_enc_tv_template,
|
|
+ DES3_EDE_CBC_ENC_TEST_VECTORS);
|
|
+
|
|
+ test_cipher("cbc(des3_ede)", DECRYPT,
|
|
+ des3_ede_cbc_dec_tv_template,
|
|
+ DES3_EDE_CBC_DEC_TEST_VECTORS);
|
|
break;
|
|
|
|
case 5:
|
|
@@ -1550,7 +1610,7 @@
|
|
case 29:
|
|
test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
|
|
break;
|
|
-
|
|
+
|
|
case 30:
|
|
test_cipher("ecb(xeta)", ENCRYPT, xeta_enc_tv_template,
|
|
XETA_ENC_TEST_VECTORS);
|
|
@@ -1615,6 +1675,22 @@
|
|
CTS_MODE_DEC_TEST_VECTORS);
|
|
break;
|
|
|
|
+ case 39:
|
|
+ test_hash("rmd128", rmd128_tv_template, RMD128_TEST_VECTORS);
|
|
+ break;
|
|
+
|
|
+ case 40:
|
|
+ test_hash("rmd160", rmd160_tv_template, RMD160_TEST_VECTORS);
|
|
+ break;
|
|
+
|
|
+ case 41:
|
|
+ test_hash("rmd256", rmd256_tv_template, RMD256_TEST_VECTORS);
|
|
+ break;
|
|
+
|
|
+ case 42:
|
|
+ test_hash("rmd320", rmd320_tv_template, RMD320_TEST_VECTORS);
|
|
+ break;
|
|
+
|
|
case 100:
|
|
test_hash("hmac(md5)", hmac_md5_tv_template,
|
|
HMAC_MD5_TEST_VECTORS);
|
|
@@ -1650,6 +1726,16 @@
|
|
XCBC_AES_TEST_VECTORS);
|
|
break;
|
|
|
|
+ case 107:
|
|
+ test_hash("hmac(rmd128)", hmac_rmd128_tv_template,
|
|
+ HMAC_RMD128_TEST_VECTORS);
|
|
+ break;
|
|
+
|
|
+ case 108:
|
|
+ test_hash("hmac(rmd160)", hmac_rmd160_tv_template,
|
|
+ HMAC_RMD160_TEST_VECTORS);
|
|
+ break;
|
|
+
|
|
case 200:
|
|
test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
|
|
speed_template_16_24_32);
|
|
@@ -1788,6 +1874,22 @@
|
|
test_hash_speed("sha224", sec, generic_hash_speed_template);
|
|
if (mode > 300 && mode < 400) break;
|
|
|
|
+ case 314:
|
|
+ test_hash_speed("rmd128", sec, generic_hash_speed_template);
|
|
+ if (mode > 300 && mode < 400) break;
|
|
+
|
|
+ case 315:
|
|
+ test_hash_speed("rmd160", sec, generic_hash_speed_template);
|
|
+ if (mode > 300 && mode < 400) break;
|
|
+
|
|
+ case 316:
|
|
+ test_hash_speed("rmd256", sec, generic_hash_speed_template);
|
|
+ if (mode > 300 && mode < 400) break;
|
|
+
|
|
+ case 317:
|
|
+ test_hash_speed("rmd320", sec, generic_hash_speed_template);
|
|
+ if (mode > 300 && mode < 400) break;
|
|
+
|
|
case 399:
|
|
break;
|
|
|
|
--- a/crypto/tcrypt.h
|
|
+++ b/crypto/tcrypt.h
|
|
@@ -13,12 +13,6 @@
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
- * 2007-11-13 Added GCM tests
|
|
- * 2007-11-13 Added AEAD support
|
|
- * 2006-12-07 Added SHA384 HMAC and SHA512 HMAC tests
|
|
- * 2004-08-09 Cipher speed tests by Reyk Floeter <reyk@vantronix.net>
|
|
- * 2003-09-14 Changes by Kartikey Mahendra Bhatt
|
|
- *
|
|
*/
|
|
#ifndef _CRYPTO_TCRYPT_H
|
|
#define _CRYPTO_TCRYPT_H
|
|
@@ -168,6 +162,271 @@
|
|
.digest = "\x57\xed\xf4\xa2\x2b\xe3\xc9\x55"
|
|
"\xac\x49\xda\x2e\x21\x07\xb6\x7a",
|
|
}
|
|
+
|
|
+};
|
|
+
|
|
+/*
|
|
+ * RIPEMD-128 test vectors from ISO/IEC 10118-3:2004(E)
|
|
+ */
|
|
+#define RMD128_TEST_VECTORS 10
|
|
+
|
|
+static struct hash_testvec rmd128_tv_template[] = {
|
|
+ {
|
|
+ .digest = "\xcd\xf2\x62\x13\xa1\x50\xdc\x3e"
|
|
+ "\xcb\x61\x0f\x18\xf6\xb3\x8b\x46",
|
|
+ }, {
|
|
+ .plaintext = "a",
|
|
+ .psize = 1,
|
|
+ .digest = "\x86\xbe\x7a\xfa\x33\x9d\x0f\xc7"
|
|
+ "\xcf\xc7\x85\xe7\x2f\x57\x8d\x33",
|
|
+ }, {
|
|
+ .plaintext = "abc",
|
|
+ .psize = 3,
|
|
+ .digest = "\xc1\x4a\x12\x19\x9c\x66\xe4\xba"
|
|
+ "\x84\x63\x6b\x0f\x69\x14\x4c\x77",
|
|
+ }, {
|
|
+ .plaintext = "message digest",
|
|
+ .psize = 14,
|
|
+ .digest = "\x9e\x32\x7b\x3d\x6e\x52\x30\x62"
|
|
+ "\xaf\xc1\x13\x2d\x7d\xf9\xd1\xb8",
|
|
+ }, {
|
|
+ .plaintext = "abcdefghijklmnopqrstuvwxyz",
|
|
+ .psize = 26,
|
|
+ .digest = "\xfd\x2a\xa6\x07\xf7\x1d\xc8\xf5"
|
|
+ "\x10\x71\x49\x22\xb3\x71\x83\x4e",
|
|
+ }, {
|
|
+ .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
|
|
+ "fghijklmnopqrstuvwxyz0123456789",
|
|
+ .psize = 62,
|
|
+ .digest = "\xd1\xe9\x59\xeb\x17\x9c\x91\x1f"
|
|
+ "\xae\xa4\x62\x4c\x60\xc5\xc7\x02",
|
|
+ }, {
|
|
+ .plaintext = "1234567890123456789012345678901234567890"
|
|
+ "1234567890123456789012345678901234567890",
|
|
+ .psize = 80,
|
|
+ .digest = "\x3f\x45\xef\x19\x47\x32\xc2\xdb"
|
|
+ "\xb2\xc4\xa2\xc7\x69\x79\x5f\xa3",
|
|
+ }, {
|
|
+ .plaintext = "abcdbcdecdefdefgefghfghighij"
|
|
+ "hijkijkljklmklmnlmnomnopnopq",
|
|
+ .psize = 56,
|
|
+ .digest = "\xa1\xaa\x06\x89\xd0\xfa\xfa\x2d"
|
|
+ "\xdc\x22\xe8\x8b\x49\x13\x3a\x06",
|
|
+ .np = 2,
|
|
+ .tap = { 28, 28 },
|
|
+ }, {
|
|
+ .plaintext = "abcdefghbcdefghicdefghijdefghijkefghijklfghi"
|
|
+ "jklmghijklmnhijklmnoijklmnopjklmnopqklmnopqr"
|
|
+ "lmnopqrsmnopqrstnopqrstu",
|
|
+ .psize = 112,
|
|
+ .digest = "\xd4\xec\xc9\x13\xe1\xdf\x77\x6b"
|
|
+ "\xf4\x8d\xe9\xd5\x5b\x1f\x25\x46",
|
|
+ }, {
|
|
+ .plaintext = "abcdbcdecdefdefgefghfghighijhijk",
|
|
+ .psize = 32,
|
|
+ .digest = "\x13\xfc\x13\xe8\xef\xff\x34\x7d"
|
|
+ "\xe1\x93\xff\x46\xdb\xac\xcf\xd4",
|
|
+ }
|
|
+};
|
|
+
|
|
+/*
|
|
+ * RIPEMD-160 test vectors from ISO/IEC 10118-3:2004(E)
|
|
+ */
|
|
+#define RMD160_TEST_VECTORS 10
|
|
+
|
|
+static struct hash_testvec rmd160_tv_template[] = {
|
|
+ {
|
|
+ .digest = "\x9c\x11\x85\xa5\xc5\xe9\xfc\x54\x61\x28"
|
|
+ "\x08\x97\x7e\xe8\xf5\x48\xb2\x25\x8d\x31",
|
|
+ }, {
|
|
+ .plaintext = "a",
|
|
+ .psize = 1,
|
|
+ .digest = "\x0b\xdc\x9d\x2d\x25\x6b\x3e\xe9\xda\xae"
|
|
+ "\x34\x7b\xe6\xf4\xdc\x83\x5a\x46\x7f\xfe",
|
|
+ }, {
|
|
+ .plaintext = "abc",
|
|
+ .psize = 3,
|
|
+ .digest = "\x8e\xb2\x08\xf7\xe0\x5d\x98\x7a\x9b\x04"
|
|
+ "\x4a\x8e\x98\xc6\xb0\x87\xf1\x5a\x0b\xfc",
|
|
+ }, {
|
|
+ .plaintext = "message digest",
|
|
+ .psize = 14,
|
|
+ .digest = "\x5d\x06\x89\xef\x49\xd2\xfa\xe5\x72\xb8"
|
|
+ "\x81\xb1\x23\xa8\x5f\xfa\x21\x59\x5f\x36",
|
|
+ }, {
|
|
+ .plaintext = "abcdefghijklmnopqrstuvwxyz",
|
|
+ .psize = 26,
|
|
+ .digest = "\xf7\x1c\x27\x10\x9c\x69\x2c\x1b\x56\xbb"
|
|
+ "\xdc\xeb\x5b\x9d\x28\x65\xb3\x70\x8d\xbc",
|
|
+ }, {
|
|
+ .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
|
|
+ "fghijklmnopqrstuvwxyz0123456789",
|
|
+ .psize = 62,
|
|
+ .digest = "\xb0\xe2\x0b\x6e\x31\x16\x64\x02\x86\xed"
|
|
+ "\x3a\x87\xa5\x71\x30\x79\xb2\x1f\x51\x89",
|
|
+ }, {
|
|
+ .plaintext = "1234567890123456789012345678901234567890"
|
|
+ "1234567890123456789012345678901234567890",
|
|
+ .psize = 80,
|
|
+ .digest = "\x9b\x75\x2e\x45\x57\x3d\x4b\x39\xf4\xdb"
|
|
+ "\xd3\x32\x3c\xab\x82\xbf\x63\x32\x6b\xfb",
|
|
+ }, {
|
|
+ .plaintext = "abcdbcdecdefdefgefghfghighij"
|
|
+ "hijkijkljklmklmnlmnomnopnopq",
|
|
+ .psize = 56,
|
|
+ .digest = "\x12\xa0\x53\x38\x4a\x9c\x0c\x88\xe4\x05"
|
|
+ "\xa0\x6c\x27\xdc\xf4\x9a\xda\x62\xeb\x2b",
|
|
+ .np = 2,
|
|
+ .tap = { 28, 28 },
|
|
+ }, {
|
|
+ .plaintext = "abcdefghbcdefghicdefghijdefghijkefghijklfghi"
|
|
+ "jklmghijklmnhijklmnoijklmnopjklmnopqklmnopqr"
|
|
+ "lmnopqrsmnopqrstnopqrstu",
|
|
+ .psize = 112,
|
|
+ .digest = "\x6f\x3f\xa3\x9b\x6b\x50\x3c\x38\x4f\x91"
|
|
+ "\x9a\x49\xa7\xaa\x5c\x2c\x08\xbd\xfb\x45",
|
|
+ }, {
|
|
+ .plaintext = "abcdbcdecdefdefgefghfghighijhijk",
|
|
+ .psize = 32,
|
|
+ .digest = "\x94\xc2\x64\x11\x54\x04\xe6\x33\x79\x0d"
|
|
+ "\xfc\xc8\x7b\x58\x7d\x36\x77\x06\x7d\x9f",
|
|
+ }
|
|
+};
|
|
+
|
|
+/*
|
|
+ * RIPEMD-256 test vectors
|
|
+ */
|
|
+#define RMD256_TEST_VECTORS 8
|
|
+
|
|
+static struct hash_testvec rmd256_tv_template[] = {
|
|
+ {
|
|
+ .digest = "\x02\xba\x4c\x4e\x5f\x8e\xcd\x18"
|
|
+ "\x77\xfc\x52\xd6\x4d\x30\xe3\x7a"
|
|
+ "\x2d\x97\x74\xfb\x1e\x5d\x02\x63"
|
|
+ "\x80\xae\x01\x68\xe3\xc5\x52\x2d",
|
|
+ }, {
|
|
+ .plaintext = "a",
|
|
+ .psize = 1,
|
|
+ .digest = "\xf9\x33\x3e\x45\xd8\x57\xf5\xd9"
|
|
+ "\x0a\x91\xba\xb7\x0a\x1e\xba\x0c"
|
|
+ "\xfb\x1b\xe4\xb0\x78\x3c\x9a\xcf"
|
|
+ "\xcd\x88\x3a\x91\x34\x69\x29\x25",
|
|
+ }, {
|
|
+ .plaintext = "abc",
|
|
+ .psize = 3,
|
|
+ .digest = "\xaf\xbd\x6e\x22\x8b\x9d\x8c\xbb"
|
|
+ "\xce\xf5\xca\x2d\x03\xe6\xdb\xa1"
|
|
+ "\x0a\xc0\xbc\x7d\xcb\xe4\x68\x0e"
|
|
+ "\x1e\x42\xd2\xe9\x75\x45\x9b\x65",
|
|
+ }, {
|
|
+ .plaintext = "message digest",
|
|
+ .psize = 14,
|
|
+ .digest = "\x87\xe9\x71\x75\x9a\x1c\xe4\x7a"
|
|
+ "\x51\x4d\x5c\x91\x4c\x39\x2c\x90"
|
|
+ "\x18\xc7\xc4\x6b\xc1\x44\x65\x55"
|
|
+ "\x4a\xfc\xdf\x54\xa5\x07\x0c\x0e",
|
|
+ }, {
|
|
+ .plaintext = "abcdefghijklmnopqrstuvwxyz",
|
|
+ .psize = 26,
|
|
+ .digest = "\x64\x9d\x30\x34\x75\x1e\xa2\x16"
|
|
+ "\x77\x6b\xf9\xa1\x8a\xcc\x81\xbc"
|
|
+ "\x78\x96\x11\x8a\x51\x97\x96\x87"
|
|
+ "\x82\xdd\x1f\xd9\x7d\x8d\x51\x33",
|
|
+ }, {
|
|
+ .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
|
|
+ "fghijklmnopqrstuvwxyz0123456789",
|
|
+ .psize = 62,
|
|
+ .digest = "\x57\x40\xa4\x08\xac\x16\xb7\x20"
|
|
+ "\xb8\x44\x24\xae\x93\x1c\xbb\x1f"
|
|
+ "\xe3\x63\xd1\xd0\xbf\x40\x17\xf1"
|
|
+ "\xa8\x9f\x7e\xa6\xde\x77\xa0\xb8",
|
|
+ }, {
|
|
+ .plaintext = "1234567890123456789012345678901234567890"
|
|
+ "1234567890123456789012345678901234567890",
|
|
+ .psize = 80,
|
|
+ .digest = "\x06\xfd\xcc\x7a\x40\x95\x48\xaa"
|
|
+ "\xf9\x13\x68\xc0\x6a\x62\x75\xb5"
|
|
+ "\x53\xe3\xf0\x99\xbf\x0e\xa4\xed"
|
|
+ "\xfd\x67\x78\xdf\x89\xa8\x90\xdd",
|
|
+ }, {
|
|
+ .plaintext = "abcdbcdecdefdefgefghfghighij"
|
|
+ "hijkijkljklmklmnlmnomnopnopq",
|
|
+ .psize = 56,
|
|
+ .digest = "\x38\x43\x04\x55\x83\xaa\xc6\xc8"
|
|
+ "\xc8\xd9\x12\x85\x73\xe7\xa9\x80"
|
|
+ "\x9a\xfb\x2a\x0f\x34\xcc\xc3\x6e"
|
|
+ "\xa9\xe7\x2f\x16\xf6\x36\x8e\x3f",
|
|
+ .np = 2,
|
|
+ .tap = { 28, 28 },
|
|
+ }
|
|
+};
|
|
+
|
|
+/*
|
|
+ * RIPEMD-320 test vectors
|
|
+ */
|
|
+#define RMD320_TEST_VECTORS 8
|
|
+
|
|
+static struct hash_testvec rmd320_tv_template[] = {
|
|
+ {
|
|
+ .digest = "\x22\xd6\x5d\x56\x61\x53\x6c\xdc\x75\xc1"
|
|
+ "\xfd\xf5\xc6\xde\x7b\x41\xb9\xf2\x73\x25"
|
|
+ "\xeb\xc6\x1e\x85\x57\x17\x7d\x70\x5a\x0e"
|
|
+ "\xc8\x80\x15\x1c\x3a\x32\xa0\x08\x99\xb8",
|
|
+ }, {
|
|
+ .plaintext = "a",
|
|
+ .psize = 1,
|
|
+ .digest = "\xce\x78\x85\x06\x38\xf9\x26\x58\xa5\xa5"
|
|
+ "\x85\x09\x75\x79\x92\x6d\xda\x66\x7a\x57"
|
|
+ "\x16\x56\x2c\xfc\xf6\xfb\xe7\x7f\x63\x54"
|
|
+ "\x2f\x99\xb0\x47\x05\xd6\x97\x0d\xff\x5d",
|
|
+ }, {
|
|
+ .plaintext = "abc",
|
|
+ .psize = 3,
|
|
+ .digest = "\xde\x4c\x01\xb3\x05\x4f\x89\x30\xa7\x9d"
|
|
+ "\x09\xae\x73\x8e\x92\x30\x1e\x5a\x17\x08"
|
|
+ "\x5b\xef\xfd\xc1\xb8\xd1\x16\x71\x3e\x74"
|
|
+ "\xf8\x2f\xa9\x42\xd6\x4c\xdb\xc4\x68\x2d",
|
|
+ }, {
|
|
+ .plaintext = "message digest",
|
|
+ .psize = 14,
|
|
+ .digest = "\x3a\x8e\x28\x50\x2e\xd4\x5d\x42\x2f\x68"
|
|
+ "\x84\x4f\x9d\xd3\x16\xe7\xb9\x85\x33\xfa"
|
|
+ "\x3f\x2a\x91\xd2\x9f\x84\xd4\x25\xc8\x8d"
|
|
+ "\x6b\x4e\xff\x72\x7d\xf6\x6a\x7c\x01\x97",
|
|
+ }, {
|
|
+ .plaintext = "abcdefghijklmnopqrstuvwxyz",
|
|
+ .psize = 26,
|
|
+ .digest = "\xca\xbd\xb1\x81\x0b\x92\x47\x0a\x20\x93"
|
|
+ "\xaa\x6b\xce\x05\x95\x2c\x28\x34\x8c\xf4"
|
|
+ "\x3f\xf6\x08\x41\x97\x51\x66\xbb\x40\xed"
|
|
+ "\x23\x40\x04\xb8\x82\x44\x63\xe6\xb0\x09",
|
|
+ }, {
|
|
+ .plaintext = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
|
|
+ "fghijklmnopqrstuvwxyz0123456789",
|
|
+ .psize = 62,
|
|
+ .digest = "\xed\x54\x49\x40\xc8\x6d\x67\xf2\x50\xd2"
|
|
+ "\x32\xc3\x0b\x7b\x3e\x57\x70\xe0\xc6\x0c"
|
|
+ "\x8c\xb9\xa4\xca\xfe\x3b\x11\x38\x8a\xf9"
|
|
+ "\x92\x0e\x1b\x99\x23\x0b\x84\x3c\x86\xa4",
|
|
+ }, {
|
|
+ .plaintext = "1234567890123456789012345678901234567890"
|
|
+ "1234567890123456789012345678901234567890",
|
|
+ .psize = 80,
|
|
+ .digest = "\x55\x78\x88\xaf\x5f\x6d\x8e\xd6\x2a\xb6"
|
|
+ "\x69\x45\xc6\xd2\xa0\xa4\x7e\xcd\x53\x41"
|
|
+ "\xe9\x15\xeb\x8f\xea\x1d\x05\x24\x95\x5f"
|
|
+ "\x82\x5d\xc7\x17\xe4\xa0\x08\xab\x2d\x42",
|
|
+ }, {
|
|
+ .plaintext = "abcdbcdecdefdefgefghfghighij"
|
|
+ "hijkijkljklmklmnlmnomnopnopq",
|
|
+ .psize = 56,
|
|
+ .digest = "\xd0\x34\xa7\x95\x0c\xf7\x22\x02\x1b\xa4"
|
|
+ "\xb8\x4d\xf7\x69\xa5\xde\x20\x60\xe2\x59"
|
|
+ "\xdf\x4c\x9b\xb4\xa4\x26\x8c\x0e\x93\x5b"
|
|
+ "\xbc\x74\x70\xa9\x69\xc9\xd0\x72\xa1\xac",
|
|
+ .np = 2,
|
|
+ .tap = { 28, 28 },
|
|
+ }
|
|
};
|
|
|
|
/*
|
|
@@ -817,6 +1076,168 @@
|
|
};
|
|
|
|
/*
|
|
+ * HMAC-RIPEMD128 test vectors from RFC2286
|
|
+ */
|
|
+#define HMAC_RMD128_TEST_VECTORS 7
|
|
+
|
|
+static struct hash_testvec hmac_rmd128_tv_template[] = {
|
|
+ {
|
|
+ .key = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
|
|
+ .ksize = 16,
|
|
+ .plaintext = "Hi There",
|
|
+ .psize = 8,
|
|
+ .digest = "\xfb\xf6\x1f\x94\x92\xaa\x4b\xbf"
|
|
+ "\x81\xc1\x72\xe8\x4e\x07\x34\xdb",
|
|
+ }, {
|
|
+ .key = "Jefe",
|
|
+ .ksize = 4,
|
|
+ .plaintext = "what do ya want for nothing?",
|
|
+ .psize = 28,
|
|
+ .digest = "\x87\x5f\x82\x88\x62\xb6\xb3\x34"
|
|
+ "\xb4\x27\xc5\x5f\x9f\x7f\xf0\x9b",
|
|
+ .np = 2,
|
|
+ .tap = { 14, 14 },
|
|
+ }, {
|
|
+ .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
|
|
+ .ksize = 16,
|
|
+ .plaintext = "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
|
|
+ "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
|
|
+ "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
|
|
+ "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd",
|
|
+ .psize = 50,
|
|
+ .digest = "\x09\xf0\xb2\x84\x6d\x2f\x54\x3d"
|
|
+ "\xa3\x63\xcb\xec\x8d\x62\xa3\x8d",
|
|
+ }, {
|
|
+ .key = "\x01\x02\x03\x04\x05\x06\x07\x08"
|
|
+ "\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10"
|
|
+ "\x11\x12\x13\x14\x15\x16\x17\x18\x19",
|
|
+ .ksize = 25,
|
|
+ .plaintext = "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
|
|
+ "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
|
|
+ "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
|
|
+ "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd",
|
|
+ .psize = 50,
|
|
+ .digest = "\xbd\xbb\xd7\xcf\x03\xe4\x4b\x5a"
|
|
+ "\xa6\x0a\xf8\x15\xbe\x4d\x22\x94",
|
|
+ }, {
|
|
+ .key = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c",
|
|
+ .ksize = 16,
|
|
+ .plaintext = "Test With Truncation",
|
|
+ .psize = 20,
|
|
+ .digest = "\xe7\x98\x08\xf2\x4b\x25\xfd\x03"
|
|
+ "\x1c\x15\x5f\x0d\x55\x1d\x9a\x3a",
|
|
+ }, {
|
|
+ .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa",
|
|
+ .ksize = 80,
|
|
+ .plaintext = "Test Using Larger Than Block-Size Key - Hash Key First",
|
|
+ .psize = 54,
|
|
+ .digest = "\xdc\x73\x29\x28\xde\x98\x10\x4a"
|
|
+ "\x1f\x59\xd3\x73\xc1\x50\xac\xbb",
|
|
+ }, {
|
|
+ .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa",
|
|
+ .ksize = 80,
|
|
+ .plaintext = "Test Using Larger Than Block-Size Key and Larger Than One "
|
|
+ "Block-Size Data",
|
|
+ .psize = 73,
|
|
+ .digest = "\x5c\x6b\xec\x96\x79\x3e\x16\xd4"
|
|
+ "\x06\x90\xc2\x37\x63\x5f\x30\xc5",
|
|
+ },
|
|
+};
|
|
+
|
|
+/*
|
|
+ * HMAC-RIPEMD160 test vectors from RFC2286
|
|
+ */
|
|
+#define HMAC_RMD160_TEST_VECTORS 7
|
|
+
|
|
+static struct hash_testvec hmac_rmd160_tv_template[] = {
|
|
+ {
|
|
+ .key = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
|
|
+ .ksize = 20,
|
|
+ .plaintext = "Hi There",
|
|
+ .psize = 8,
|
|
+ .digest = "\x24\xcb\x4b\xd6\x7d\x20\xfc\x1a\x5d\x2e"
|
|
+ "\xd7\x73\x2d\xcc\x39\x37\x7f\x0a\x56\x68",
|
|
+ }, {
|
|
+ .key = "Jefe",
|
|
+ .ksize = 4,
|
|
+ .plaintext = "what do ya want for nothing?",
|
|
+ .psize = 28,
|
|
+ .digest = "\xdd\xa6\xc0\x21\x3a\x48\x5a\x9e\x24\xf4"
|
|
+ "\x74\x20\x64\xa7\xf0\x33\xb4\x3c\x40\x69",
|
|
+ .np = 2,
|
|
+ .tap = { 14, 14 },
|
|
+ }, {
|
|
+ .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
|
|
+ .ksize = 20,
|
|
+ .plaintext = "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
|
|
+ "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
|
|
+ "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
|
|
+ "\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd",
|
|
+ .psize = 50,
|
|
+ .digest = "\xb0\xb1\x05\x36\x0d\xe7\x59\x96\x0a\xb4"
|
|
+ "\xf3\x52\x98\xe1\x16\xe2\x95\xd8\xe7\xc1",
|
|
+ }, {
|
|
+ .key = "\x01\x02\x03\x04\x05\x06\x07\x08"
|
|
+ "\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10"
|
|
+ "\x11\x12\x13\x14\x15\x16\x17\x18\x19",
|
|
+ .ksize = 25,
|
|
+ .plaintext = "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
|
|
+ "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
|
|
+ "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd"
|
|
+ "\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd",
|
|
+ .psize = 50,
|
|
+ .digest = "\xd5\xca\x86\x2f\x4d\x21\xd5\xe6\x10\xe1"
|
|
+ "\x8b\x4c\xf1\xbe\xb9\x7a\x43\x65\xec\xf4",
|
|
+ }, {
|
|
+ .key = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c",
|
|
+ .ksize = 20,
|
|
+ .plaintext = "Test With Truncation",
|
|
+ .psize = 20,
|
|
+ .digest = "\x76\x19\x69\x39\x78\xf9\x1d\x90\x53\x9a"
|
|
+ "\xe7\x86\x50\x0f\xf3\xd8\xe0\x51\x8e\x39",
|
|
+ }, {
|
|
+ .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa",
|
|
+ .ksize = 80,
|
|
+ .plaintext = "Test Using Larger Than Block-Size Key - Hash Key First",
|
|
+ .psize = 54,
|
|
+ .digest = "\x64\x66\xca\x07\xac\x5e\xac\x29\xe1\xbd"
|
|
+ "\x52\x3e\x5a\xda\x76\x05\xb7\x91\xfd\x8b",
|
|
+ }, {
|
|
+ .key = "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
|
|
+ "\xaa\xaa",
|
|
+ .ksize = 80,
|
|
+ .plaintext = "Test Using Larger Than Block-Size Key and Larger Than One "
|
|
+ "Block-Size Data",
|
|
+ .psize = 73,
|
|
+ .digest = "\x69\xea\x60\x79\x8d\x71\x61\x6c\xce\x5f"
|
|
+ "\xd0\x87\x1e\x23\x75\x4c\xd7\x5d\x5a\x0a",
|
|
+ },
|
|
+};
|
|
+
|
|
+/*
|
|
* HMAC-SHA1 test vectors from RFC2202
|
|
*/
|
|
#define HMAC_SHA1_TEST_VECTORS 7
|
|
@@ -1442,6 +1863,8 @@
|
|
#define DES_CBC_DEC_TEST_VECTORS 4
|
|
#define DES3_EDE_ENC_TEST_VECTORS 3
|
|
#define DES3_EDE_DEC_TEST_VECTORS 3
|
|
+#define DES3_EDE_CBC_ENC_TEST_VECTORS 1
|
|
+#define DES3_EDE_CBC_DEC_TEST_VECTORS 1
|
|
|
|
static struct cipher_testvec des_enc_tv_template[] = {
|
|
{ /* From Applied Cryptography */
|
|
@@ -1680,9 +2103,6 @@
|
|
},
|
|
};
|
|
|
|
-/*
|
|
- * We really need some more test vectors, especially for DES3 CBC.
|
|
- */
|
|
static struct cipher_testvec des3_ede_enc_tv_template[] = {
|
|
{ /* These are from openssl */
|
|
.key = "\x01\x23\x45\x67\x89\xab\xcd\xef"
|
|
@@ -1745,6 +2165,94 @@
|
|
},
|
|
};
|
|
|
|
+static struct cipher_testvec des3_ede_cbc_enc_tv_template[] = {
|
|
+ { /* Generated from openssl */
|
|
+ .key = "\xE9\xC0\xFF\x2E\x76\x0B\x64\x24"
|
|
+ "\x44\x4D\x99\x5A\x12\xD6\x40\xC0"
|
|
+ "\xEA\xC2\x84\xE8\x14\x95\xDB\xE8",
|
|
+ .klen = 24,
|
|
+ .iv = "\x7D\x33\x88\x93\x0F\x93\xB2\x42",
|
|
+ .input = "\x6f\x54\x20\x6f\x61\x4d\x79\x6e"
|
|
+ "\x53\x20\x63\x65\x65\x72\x73\x74"
|
|
+ "\x54\x20\x6f\x6f\x4d\x20\x6e\x61"
|
|
+ "\x20\x79\x65\x53\x72\x63\x74\x65"
|
|
+ "\x20\x73\x6f\x54\x20\x6f\x61\x4d"
|
|
+ "\x79\x6e\x53\x20\x63\x65\x65\x72"
|
|
+ "\x73\x74\x54\x20\x6f\x6f\x4d\x20"
|
|
+ "\x6e\x61\x20\x79\x65\x53\x72\x63"
|
|
+ "\x74\x65\x20\x73\x6f\x54\x20\x6f"
|
|
+ "\x61\x4d\x79\x6e\x53\x20\x63\x65"
|
|
+ "\x65\x72\x73\x74\x54\x20\x6f\x6f"
|
|
+ "\x4d\x20\x6e\x61\x20\x79\x65\x53"
|
|
+ "\x72\x63\x74\x65\x20\x73\x6f\x54"
|
|
+ "\x20\x6f\x61\x4d\x79\x6e\x53\x20"
|
|
+ "\x63\x65\x65\x72\x73\x74\x54\x20"
|
|
+ "\x6f\x6f\x4d\x20\x6e\x61\x0a\x79",
|
|
+ .ilen = 128,
|
|
+ .result = "\x0e\x2d\xb6\x97\x3c\x56\x33\xf4"
|
|
+ "\x67\x17\x21\xc7\x6e\x8a\xd5\x49"
|
|
+ "\x74\xb3\x49\x05\xc5\x1c\xd0\xed"
|
|
+ "\x12\x56\x5c\x53\x96\xb6\x00\x7d"
|
|
+ "\x90\x48\xfc\xf5\x8d\x29\x39\xcc"
|
|
+ "\x8a\xd5\x35\x18\x36\x23\x4e\xd7"
|
|
+ "\x76\xd1\xda\x0c\x94\x67\xbb\x04"
|
|
+ "\x8b\xf2\x03\x6c\xa8\xcf\xb6\xea"
|
|
+ "\x22\x64\x47\xaa\x8f\x75\x13\xbf"
|
|
+ "\x9f\xc2\xc3\xf0\xc9\x56\xc5\x7a"
|
|
+ "\x71\x63\x2e\x89\x7b\x1e\x12\xca"
|
|
+ "\xe2\x5f\xaf\xd8\xa4\xf8\xc9\x7a"
|
|
+ "\xd6\xf9\x21\x31\x62\x44\x45\xa6"
|
|
+ "\xd6\xbc\x5a\xd3\x2d\x54\x43\xcc"
|
|
+ "\x9d\xde\xa5\x70\xe9\x42\x45\x8a"
|
|
+ "\x6b\xfa\xb1\x91\x13\xb0\xd9\x19",
|
|
+ .rlen = 128,
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct cipher_testvec des3_ede_cbc_dec_tv_template[] = {
|
|
+ { /* Generated from openssl */
|
|
+ .key = "\xE9\xC0\xFF\x2E\x76\x0B\x64\x24"
|
|
+ "\x44\x4D\x99\x5A\x12\xD6\x40\xC0"
|
|
+ "\xEA\xC2\x84\xE8\x14\x95\xDB\xE8",
|
|
+ .klen = 24,
|
|
+ .iv = "\x7D\x33\x88\x93\x0F\x93\xB2\x42",
|
|
+ .input = "\x0e\x2d\xb6\x97\x3c\x56\x33\xf4"
|
|
+ "\x67\x17\x21\xc7\x6e\x8a\xd5\x49"
|
|
+ "\x74\xb3\x49\x05\xc5\x1c\xd0\xed"
|
|
+ "\x12\x56\x5c\x53\x96\xb6\x00\x7d"
|
|
+ "\x90\x48\xfc\xf5\x8d\x29\x39\xcc"
|
|
+ "\x8a\xd5\x35\x18\x36\x23\x4e\xd7"
|
|
+ "\x76\xd1\xda\x0c\x94\x67\xbb\x04"
|
|
+ "\x8b\xf2\x03\x6c\xa8\xcf\xb6\xea"
|
|
+ "\x22\x64\x47\xaa\x8f\x75\x13\xbf"
|
|
+ "\x9f\xc2\xc3\xf0\xc9\x56\xc5\x7a"
|
|
+ "\x71\x63\x2e\x89\x7b\x1e\x12\xca"
|
|
+ "\xe2\x5f\xaf\xd8\xa4\xf8\xc9\x7a"
|
|
+ "\xd6\xf9\x21\x31\x62\x44\x45\xa6"
|
|
+ "\xd6\xbc\x5a\xd3\x2d\x54\x43\xcc"
|
|
+ "\x9d\xde\xa5\x70\xe9\x42\x45\x8a"
|
|
+ "\x6b\xfa\xb1\x91\x13\xb0\xd9\x19",
|
|
+ .ilen = 128,
|
|
+ .result = "\x6f\x54\x20\x6f\x61\x4d\x79\x6e"
|
|
+ "\x53\x20\x63\x65\x65\x72\x73\x74"
|
|
+ "\x54\x20\x6f\x6f\x4d\x20\x6e\x61"
|
|
+ "\x20\x79\x65\x53\x72\x63\x74\x65"
|
|
+ "\x20\x73\x6f\x54\x20\x6f\x61\x4d"
|
|
+ "\x79\x6e\x53\x20\x63\x65\x65\x72"
|
|
+ "\x73\x74\x54\x20\x6f\x6f\x4d\x20"
|
|
+ "\x6e\x61\x20\x79\x65\x53\x72\x63"
|
|
+ "\x74\x65\x20\x73\x6f\x54\x20\x6f"
|
|
+ "\x61\x4d\x79\x6e\x53\x20\x63\x65"
|
|
+ "\x65\x72\x73\x74\x54\x20\x6f\x6f"
|
|
+ "\x4d\x20\x6e\x61\x20\x79\x65\x53"
|
|
+ "\x72\x63\x74\x65\x20\x73\x6f\x54"
|
|
+ "\x20\x6f\x61\x4d\x79\x6e\x53\x20"
|
|
+ "\x63\x65\x65\x72\x73\x74\x54\x20"
|
|
+ "\x6f\x6f\x4d\x20\x6e\x61\x0a\x79",
|
|
+ .rlen = 128,
|
|
+ },
|
|
+};
|
|
+
|
|
/*
|
|
* Blowfish test vectors.
|
|
*/
|
|
--- a/drivers/crypto/Kconfig
|
|
+++ b/drivers/crypto/Kconfig
|
|
@@ -174,4 +174,30 @@
|
|
Select this option if you want to enable the random number generator
|
|
on the HIFN 795x crypto adapters.
|
|
|
|
+config CRYPTO_DEV_TALITOS
|
|
+ tristate "Talitos Freescale Security Engine (SEC)"
|
|
+ select CRYPTO_ALGAPI
|
|
+ select CRYPTO_AUTHENC
|
|
+ select HW_RANDOM
|
|
+ depends on FSL_SOC
|
|
+ help
|
|
+ Say 'Y' here to use the Freescale Security Engine (SEC)
|
|
+ to offload cryptographic algorithm computation.
|
|
+
|
|
+ The Freescale SEC is present on PowerQUICC 'E' processors, such
|
|
+ as the MPC8349E and MPC8548E.
|
|
+
|
|
+ To compile this driver as a module, choose M here: the module
|
|
+ will be called talitos.
|
|
+
|
|
+config CRYPTO_DEV_IXP4XX
|
|
+ tristate "Driver for IXP4xx crypto hardware acceleration"
|
|
+ depends on ARCH_IXP4XX
|
|
+ select CRYPTO_DES
|
|
+ select CRYPTO_ALGAPI
|
|
+ select CRYPTO_AUTHENC
|
|
+ select CRYPTO_BLKCIPHER
|
|
+ help
|
|
+ Driver for the IXP4xx NPE crypto engine.
|
|
+
|
|
endif # CRYPTO_HW
|
|
--- a/drivers/crypto/Makefile
|
|
+++ b/drivers/crypto/Makefile
|
|
@@ -2,3 +2,5 @@
|
|
obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
|
|
obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
|
|
obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
|
|
+obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
|
|
+obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
|
|
--- a/drivers/crypto/hifn_795x.c
|
|
+++ b/drivers/crypto/hifn_795x.c
|
|
@@ -29,7 +29,6 @@
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/highmem.h>
|
|
-#include <linux/interrupt.h>
|
|
#include <linux/crypto.h>
|
|
#include <linux/hw_random.h>
|
|
#include <linux/ktime.h>
|
|
@@ -369,7 +368,9 @@
|
|
#define HIFN_D_DST_RSIZE 80*4
|
|
#define HIFN_D_RES_RSIZE 24*4
|
|
|
|
-#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-5
|
|
+#define HIFN_D_DST_DALIGN 4
|
|
+
|
|
+#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-1
|
|
|
|
#define AES_MIN_KEY_SIZE 16
|
|
#define AES_MAX_KEY_SIZE 32
|
|
@@ -535,10 +536,10 @@
|
|
*/
|
|
struct hifn_mac_command
|
|
{
|
|
- volatile u16 masks;
|
|
- volatile u16 header_skip;
|
|
- volatile u16 source_count;
|
|
- volatile u16 reserved;
|
|
+ volatile __le16 masks;
|
|
+ volatile __le16 header_skip;
|
|
+ volatile __le16 source_count;
|
|
+ volatile __le16 reserved;
|
|
};
|
|
|
|
#define HIFN_MAC_CMD_ALG_MASK 0x0001
|
|
@@ -564,10 +565,10 @@
|
|
|
|
struct hifn_comp_command
|
|
{
|
|
- volatile u16 masks;
|
|
- volatile u16 header_skip;
|
|
- volatile u16 source_count;
|
|
- volatile u16 reserved;
|
|
+ volatile __le16 masks;
|
|
+ volatile __le16 header_skip;
|
|
+ volatile __le16 source_count;
|
|
+ volatile __le16 reserved;
|
|
};
|
|
|
|
#define HIFN_COMP_CMD_SRCLEN_M 0xc000
|
|
@@ -583,10 +584,10 @@
|
|
|
|
struct hifn_base_result
|
|
{
|
|
- volatile u16 flags;
|
|
- volatile u16 session;
|
|
- volatile u16 src_cnt; /* 15:0 of source count */
|
|
- volatile u16 dst_cnt; /* 15:0 of dest count */
|
|
+ volatile __le16 flags;
|
|
+ volatile __le16 session;
|
|
+ volatile __le16 src_cnt; /* 15:0 of source count */
|
|
+ volatile __le16 dst_cnt; /* 15:0 of dest count */
|
|
};
|
|
|
|
#define HIFN_BASE_RES_DSTOVERRUN 0x0200 /* destination overrun */
|
|
@@ -597,8 +598,8 @@
|
|
|
|
struct hifn_comp_result
|
|
{
|
|
- volatile u16 flags;
|
|
- volatile u16 crc;
|
|
+ volatile __le16 flags;
|
|
+ volatile __le16 crc;
|
|
};
|
|
|
|
#define HIFN_COMP_RES_LCB_M 0xff00 /* longitudinal check byte */
|
|
@@ -609,8 +610,8 @@
|
|
|
|
struct hifn_mac_result
|
|
{
|
|
- volatile u16 flags;
|
|
- volatile u16 reserved;
|
|
+ volatile __le16 flags;
|
|
+ volatile __le16 reserved;
|
|
/* followed by 0, 6, 8, or 10 u16's of the MAC, then crypt */
|
|
};
|
|
|
|
@@ -619,8 +620,8 @@
|
|
|
|
struct hifn_crypt_result
|
|
{
|
|
- volatile u16 flags;
|
|
- volatile u16 reserved;
|
|
+ volatile __le16 flags;
|
|
+ volatile __le16 reserved;
|
|
};
|
|
|
|
#define HIFN_CRYPT_RES_SRC_NOTZERO 0x0001 /* source expired */
|
|
@@ -686,12 +687,12 @@
|
|
|
|
static inline void hifn_write_0(struct hifn_device *dev, u32 reg, u32 val)
|
|
{
|
|
- writel(val, dev->bar[0] + reg);
|
|
+ writel((__force u32)cpu_to_le32(val), dev->bar[0] + reg);
|
|
}
|
|
|
|
static inline void hifn_write_1(struct hifn_device *dev, u32 reg, u32 val)
|
|
{
|
|
- writel(val, dev->bar[1] + reg);
|
|
+ writel((__force u32)cpu_to_le32(val), dev->bar[1] + reg);
|
|
}
|
|
|
|
static void hifn_wait_puc(struct hifn_device *dev)
|
|
@@ -894,7 +895,7 @@
|
|
char *offtbl = NULL;
|
|
int i;
|
|
|
|
- for (i = 0; i < sizeof(pci2id)/sizeof(pci2id[0]); i++) {
|
|
+ for (i = 0; i < ARRAY_SIZE(pci2id); i++) {
|
|
if (pci2id[i].pci_vendor == dev->pdev->vendor &&
|
|
pci2id[i].pci_prod == dev->pdev->device) {
|
|
offtbl = pci2id[i].card_id;
|
|
@@ -1037,14 +1038,14 @@
|
|
hifn_write_0(dev, HIFN_0_PUIER, HIFN_PUIER_DSTOVER);
|
|
|
|
/* write all 4 ring address registers */
|
|
- hifn_write_1(dev, HIFN_1_DMA_CRAR, __cpu_to_le32(dptr +
|
|
- offsetof(struct hifn_dma, cmdr[0])));
|
|
- hifn_write_1(dev, HIFN_1_DMA_SRAR, __cpu_to_le32(dptr +
|
|
- offsetof(struct hifn_dma, srcr[0])));
|
|
- hifn_write_1(dev, HIFN_1_DMA_DRAR, __cpu_to_le32(dptr +
|
|
- offsetof(struct hifn_dma, dstr[0])));
|
|
- hifn_write_1(dev, HIFN_1_DMA_RRAR, __cpu_to_le32(dptr +
|
|
- offsetof(struct hifn_dma, resr[0])));
|
|
+ hifn_write_1(dev, HIFN_1_DMA_CRAR, dptr +
|
|
+ offsetof(struct hifn_dma, cmdr[0]));
|
|
+ hifn_write_1(dev, HIFN_1_DMA_SRAR, dptr +
|
|
+ offsetof(struct hifn_dma, srcr[0]));
|
|
+ hifn_write_1(dev, HIFN_1_DMA_DRAR, dptr +
|
|
+ offsetof(struct hifn_dma, dstr[0]));
|
|
+ hifn_write_1(dev, HIFN_1_DMA_RRAR, dptr +
|
|
+ offsetof(struct hifn_dma, resr[0]));
|
|
|
|
mdelay(2);
|
|
#if 0
|
|
@@ -1166,109 +1167,15 @@
|
|
return cmd_len;
|
|
}
|
|
|
|
-static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
|
|
- unsigned int offset, unsigned int size)
|
|
-{
|
|
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
- int idx;
|
|
- dma_addr_t addr;
|
|
-
|
|
- addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE);
|
|
-
|
|
- idx = dma->srci;
|
|
-
|
|
- dma->srcr[idx].p = __cpu_to_le32(addr);
|
|
- dma->srcr[idx].l = __cpu_to_le32(size) | HIFN_D_VALID |
|
|
- HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST;
|
|
-
|
|
- if (++idx == HIFN_D_SRC_RSIZE) {
|
|
- dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
|
|
- HIFN_D_JUMP |
|
|
- HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
|
|
- idx = 0;
|
|
- }
|
|
-
|
|
- dma->srci = idx;
|
|
- dma->srcu++;
|
|
-
|
|
- if (!(dev->flags & HIFN_FLAG_SRC_BUSY)) {
|
|
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_S_CTRL_ENA);
|
|
- dev->flags |= HIFN_FLAG_SRC_BUSY;
|
|
- }
|
|
-
|
|
- return size;
|
|
-}
|
|
-
|
|
-static void hifn_setup_res_desc(struct hifn_device *dev)
|
|
-{
|
|
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
-
|
|
- dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
|
|
- HIFN_D_VALID | HIFN_D_LAST);
|
|
- /*
|
|
- * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
|
|
- * HIFN_D_LAST | HIFN_D_NOINVALID);
|
|
- */
|
|
-
|
|
- if (++dma->resi == HIFN_D_RES_RSIZE) {
|
|
- dma->resr[HIFN_D_RES_RSIZE].l = __cpu_to_le32(HIFN_D_VALID |
|
|
- HIFN_D_JUMP | HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
|
|
- dma->resi = 0;
|
|
- }
|
|
-
|
|
- dma->resu++;
|
|
-
|
|
- if (!(dev->flags & HIFN_FLAG_RES_BUSY)) {
|
|
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_R_CTRL_ENA);
|
|
- dev->flags |= HIFN_FLAG_RES_BUSY;
|
|
- }
|
|
-}
|
|
-
|
|
-static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
|
|
- unsigned offset, unsigned size)
|
|
-{
|
|
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
- int idx;
|
|
- dma_addr_t addr;
|
|
-
|
|
- addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE);
|
|
-
|
|
- idx = dma->dsti;
|
|
- dma->dstr[idx].p = __cpu_to_le32(addr);
|
|
- dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
|
|
- HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);
|
|
-
|
|
- if (++idx == HIFN_D_DST_RSIZE) {
|
|
- dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
|
|
- HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
|
|
- HIFN_D_LAST | HIFN_D_NOINVALID);
|
|
- idx = 0;
|
|
- }
|
|
- dma->dsti = idx;
|
|
- dma->dstu++;
|
|
-
|
|
- if (!(dev->flags & HIFN_FLAG_DST_BUSY)) {
|
|
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_D_CTRL_ENA);
|
|
- dev->flags |= HIFN_FLAG_DST_BUSY;
|
|
- }
|
|
-}
|
|
-
|
|
-static int hifn_setup_dma(struct hifn_device *dev, struct page *spage, unsigned int soff,
|
|
- struct page *dpage, unsigned int doff, unsigned int nbytes, void *priv,
|
|
- struct hifn_context *ctx)
|
|
+static int hifn_setup_cmd_desc(struct hifn_device *dev,
|
|
+ struct hifn_context *ctx, void *priv, unsigned int nbytes)
|
|
{
|
|
struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
int cmd_len, sa_idx;
|
|
u8 *buf, *buf_pos;
|
|
u16 mask;
|
|
|
|
- dprintk("%s: spage: %p, soffset: %u, dpage: %p, doffset: %u, nbytes: %u, priv: %p, ctx: %p.\n",
|
|
- dev->name, spage, soff, dpage, doff, nbytes, priv, ctx);
|
|
-
|
|
- sa_idx = dma->resi;
|
|
-
|
|
- hifn_setup_src_desc(dev, spage, soff, nbytes);
|
|
-
|
|
+ sa_idx = dma->cmdi;
|
|
buf_pos = buf = dma->command_bufs[dma->cmdi];
|
|
|
|
mask = 0;
|
|
@@ -1370,16 +1277,113 @@
|
|
hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_C_CTRL_ENA);
|
|
dev->flags |= HIFN_FLAG_CMD_BUSY;
|
|
}
|
|
-
|
|
- hifn_setup_dst_desc(dev, dpage, doff, nbytes);
|
|
- hifn_setup_res_desc(dev);
|
|
-
|
|
return 0;
|
|
|
|
err_out:
|
|
return -EINVAL;
|
|
}
|
|
|
|
+static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
|
|
+ unsigned int offset, unsigned int size)
|
|
+{
|
|
+ struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
+ int idx;
|
|
+ dma_addr_t addr;
|
|
+
|
|
+ addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE);
|
|
+
|
|
+ idx = dma->srci;
|
|
+
|
|
+ dma->srcr[idx].p = __cpu_to_le32(addr);
|
|
+ dma->srcr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
|
|
+ HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
|
|
+
|
|
+ if (++idx == HIFN_D_SRC_RSIZE) {
|
|
+ dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
|
|
+ HIFN_D_JUMP |
|
|
+ HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
|
|
+ idx = 0;
|
|
+ }
|
|
+
|
|
+ dma->srci = idx;
|
|
+ dma->srcu++;
|
|
+
|
|
+ if (!(dev->flags & HIFN_FLAG_SRC_BUSY)) {
|
|
+ hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_S_CTRL_ENA);
|
|
+ dev->flags |= HIFN_FLAG_SRC_BUSY;
|
|
+ }
|
|
+
|
|
+ return size;
|
|
+}
|
|
+
|
|
+static void hifn_setup_res_desc(struct hifn_device *dev)
|
|
+{
|
|
+ struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
+
|
|
+ dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
|
|
+ HIFN_D_VALID | HIFN_D_LAST);
|
|
+ /*
|
|
+ * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
|
|
+ * HIFN_D_LAST);
|
|
+ */
|
|
+
|
|
+ if (++dma->resi == HIFN_D_RES_RSIZE) {
|
|
+ dma->resr[HIFN_D_RES_RSIZE].l = __cpu_to_le32(HIFN_D_VALID |
|
|
+ HIFN_D_JUMP | HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
|
|
+ dma->resi = 0;
|
|
+ }
|
|
+
|
|
+ dma->resu++;
|
|
+
|
|
+ if (!(dev->flags & HIFN_FLAG_RES_BUSY)) {
|
|
+ hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_R_CTRL_ENA);
|
|
+ dev->flags |= HIFN_FLAG_RES_BUSY;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
|
|
+ unsigned offset, unsigned size)
|
|
+{
|
|
+ struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
|
|
+ int idx;
|
|
+ dma_addr_t addr;
|
|
+
|
|
+ addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE);
|
|
+
|
|
+ idx = dma->dsti;
|
|
+ dma->dstr[idx].p = __cpu_to_le32(addr);
|
|
+ dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
|
|
+ HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
|
|
+
|
|
+ if (++idx == HIFN_D_DST_RSIZE) {
|
|
+ dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
|
|
+ HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
|
|
+ HIFN_D_LAST);
|
|
+ idx = 0;
|
|
+ }
|
|
+ dma->dsti = idx;
|
|
+ dma->dstu++;
|
|
+
|
|
+ if (!(dev->flags & HIFN_FLAG_DST_BUSY)) {
|
|
+ hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_D_CTRL_ENA);
|
|
+ dev->flags |= HIFN_FLAG_DST_BUSY;
|
|
+ }
|
|
+}
|
|
+
|
|
+static int hifn_setup_dma(struct hifn_device *dev, struct page *spage, unsigned int soff,
|
|
+ struct page *dpage, unsigned int doff, unsigned int nbytes, void *priv,
|
|
+ struct hifn_context *ctx)
|
|
+{
|
|
+ dprintk("%s: spage: %p, soffset: %u, dpage: %p, doffset: %u, nbytes: %u, priv: %p, ctx: %p.\n",
|
|
+ dev->name, spage, soff, dpage, doff, nbytes, priv, ctx);
|
|
+
|
|
+ hifn_setup_src_desc(dev, spage, soff, nbytes);
|
|
+ hifn_setup_cmd_desc(dev, ctx, priv, nbytes);
|
|
+ hifn_setup_dst_desc(dev, dpage, doff, nbytes);
|
|
+ hifn_setup_res_desc(dev);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int ablkcipher_walk_init(struct ablkcipher_walk *w,
|
|
int num, gfp_t gfp_flags)
|
|
{
|
|
@@ -1431,7 +1435,7 @@
|
|
return -EINVAL;
|
|
|
|
while (size) {
|
|
- copy = min(drest, src->length);
|
|
+ copy = min(drest, min(size, src->length));
|
|
|
|
saddr = kmap_atomic(sg_page(src), KM_SOFTIRQ1);
|
|
memcpy(daddr, saddr + src->offset, copy);
|
|
@@ -1458,10 +1462,6 @@
|
|
static int ablkcipher_walk(struct ablkcipher_request *req,
|
|
struct ablkcipher_walk *w)
|
|
{
|
|
- unsigned blocksize =
|
|
- crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(req));
|
|
- unsigned alignmask =
|
|
- crypto_ablkcipher_alignmask(crypto_ablkcipher_reqtfm(req));
|
|
struct scatterlist *src, *dst, *t;
|
|
void *daddr;
|
|
unsigned int nbytes = req->nbytes, offset, copy, diff;
|
|
@@ -1477,16 +1477,14 @@
|
|
dst = &req->dst[idx];
|
|
|
|
dprintk("\n%s: slen: %u, dlen: %u, soff: %u, doff: %u, offset: %u, "
|
|
- "blocksize: %u, nbytes: %u.\n",
|
|
+ "nbytes: %u.\n",
|
|
__func__, src->length, dst->length, src->offset,
|
|
- dst->offset, offset, blocksize, nbytes);
|
|
+ dst->offset, offset, nbytes);
|
|
|
|
- if (src->length & (blocksize - 1) ||
|
|
- src->offset & (alignmask - 1) ||
|
|
- dst->length & (blocksize - 1) ||
|
|
- dst->offset & (alignmask - 1) ||
|
|
- offset) {
|
|
- unsigned slen = src->length - offset;
|
|
+ if (!IS_ALIGNED(dst->offset, HIFN_D_DST_DALIGN) ||
|
|
+ !IS_ALIGNED(dst->length, HIFN_D_DST_DALIGN) ||
|
|
+ offset) {
|
|
+ unsigned slen = min(src->length - offset, nbytes);
|
|
unsigned dlen = PAGE_SIZE;
|
|
|
|
t = &w->cache[idx];
|
|
@@ -1498,8 +1496,8 @@
|
|
|
|
idx += err;
|
|
|
|
- copy = slen & ~(blocksize - 1);
|
|
- diff = slen & (blocksize - 1);
|
|
+ copy = slen & ~(HIFN_D_DST_DALIGN - 1);
|
|
+ diff = slen & (HIFN_D_DST_DALIGN - 1);
|
|
|
|
if (dlen < nbytes) {
|
|
/*
|
|
@@ -1507,7 +1505,7 @@
|
|
* to put there additional blocksized chunk,
|
|
* so we mark that page as containing only
|
|
* blocksize aligned chunks:
|
|
- * t->length = (slen & ~(blocksize - 1));
|
|
+ * t->length = (slen & ~(HIFN_D_DST_DALIGN - 1));
|
|
* and increase number of bytes to be processed
|
|
* in next chunk:
|
|
* nbytes += diff;
|
|
@@ -1544,7 +1542,7 @@
|
|
|
|
kunmap_atomic(daddr, KM_SOFTIRQ0);
|
|
} else {
|
|
- nbytes -= src->length;
|
|
+ nbytes -= min(src->length, nbytes);
|
|
idx++;
|
|
}
|
|
|
|
@@ -1563,14 +1561,10 @@
|
|
struct hifn_context *ctx = crypto_tfm_ctx(req->base.tfm);
|
|
struct hifn_device *dev = ctx->dev;
|
|
struct page *spage, *dpage;
|
|
- unsigned long soff, doff, flags;
|
|
+ unsigned long soff, doff, dlen, flags;
|
|
unsigned int nbytes = req->nbytes, idx = 0, len;
|
|
int err = -EINVAL, sg_num;
|
|
struct scatterlist *src, *dst, *t;
|
|
- unsigned blocksize =
|
|
- crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(req));
|
|
- unsigned alignmask =
|
|
- crypto_ablkcipher_alignmask(crypto_ablkcipher_reqtfm(req));
|
|
|
|
if (ctx->iv && !ctx->ivsize && ctx->mode != ACRYPTO_MODE_ECB)
|
|
goto err_out_exit;
|
|
@@ -1578,17 +1572,14 @@
|
|
ctx->walk.flags = 0;
|
|
|
|
while (nbytes) {
|
|
- src = &req->src[idx];
|
|
dst = &req->dst[idx];
|
|
+ dlen = min(dst->length, nbytes);
|
|
|
|
- if (src->length & (blocksize - 1) ||
|
|
- src->offset & (alignmask - 1) ||
|
|
- dst->length & (blocksize - 1) ||
|
|
- dst->offset & (alignmask - 1)) {
|
|
+ if (!IS_ALIGNED(dst->offset, HIFN_D_DST_DALIGN) ||
|
|
+ !IS_ALIGNED(dlen, HIFN_D_DST_DALIGN))
|
|
ctx->walk.flags |= ASYNC_FLAGS_MISALIGNED;
|
|
- }
|
|
|
|
- nbytes -= src->length;
|
|
+ nbytes -= dlen;
|
|
idx++;
|
|
}
|
|
|
|
@@ -1602,7 +1593,10 @@
|
|
idx = 0;
|
|
|
|
sg_num = ablkcipher_walk(req, &ctx->walk);
|
|
-
|
|
+ if (sg_num < 0) {
|
|
+ err = sg_num;
|
|
+ goto err_out_exit;
|
|
+ }
|
|
atomic_set(&ctx->sg_num, sg_num);
|
|
|
|
spin_lock_irqsave(&dev->lock, flags);
|
|
@@ -1640,7 +1634,7 @@
|
|
if (err)
|
|
goto err_out;
|
|
|
|
- nbytes -= len;
|
|
+ nbytes -= min(len, nbytes);
|
|
}
|
|
|
|
dev->active = HIFN_DEFAULT_ACTIVE_NUM;
|
|
@@ -1651,7 +1645,7 @@
|
|
err_out:
|
|
spin_unlock_irqrestore(&dev->lock, flags);
|
|
err_out_exit:
|
|
- if (err && printk_ratelimit())
|
|
+ if (err)
|
|
dprintk("%s: iv: %p [%d], key: %p [%d], mode: %u, op: %u, "
|
|
"type: %u, err: %d.\n",
|
|
dev->name, ctx->iv, ctx->ivsize,
|
|
@@ -1745,8 +1739,7 @@
|
|
return -EINVAL;
|
|
|
|
while (size) {
|
|
-
|
|
- copy = min(dst->length, srest);
|
|
+ copy = min(srest, min(dst->length, size));
|
|
|
|
daddr = kmap_atomic(sg_page(dst), KM_IRQ0);
|
|
memcpy(daddr + dst->offset + offset, saddr, copy);
|
|
@@ -1803,7 +1796,7 @@
|
|
sg_page(dst), dst->length, nbytes);
|
|
|
|
if (!t->length) {
|
|
- nbytes -= dst->length;
|
|
+ nbytes -= min(dst->length, nbytes);
|
|
idx++;
|
|
continue;
|
|
}
|
|
@@ -2202,9 +2195,9 @@
|
|
return err;
|
|
|
|
if (dev->started < HIFN_QUEUE_LENGTH && dev->queue.qlen)
|
|
- err = hifn_process_queue(dev);
|
|
+ hifn_process_queue(dev);
|
|
|
|
- return err;
|
|
+ return -EINPROGRESS;
|
|
}
|
|
|
|
/*
|
|
@@ -2364,7 +2357,7 @@
|
|
* 3DES ECB, CBC, CFB and OFB modes.
|
|
*/
|
|
{
|
|
- .name = "cfb(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
|
|
+ .name = "cfb(des3_ede)", .drv_name = "cfb-3des", .bsize = 8,
|
|
.ablkcipher = {
|
|
.min_keysize = HIFN_3DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_3DES_KEY_LENGTH,
|
|
@@ -2374,7 +2367,7 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "ofb(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
|
|
+ .name = "ofb(des3_ede)", .drv_name = "ofb-3des", .bsize = 8,
|
|
.ablkcipher = {
|
|
.min_keysize = HIFN_3DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_3DES_KEY_LENGTH,
|
|
@@ -2384,8 +2377,9 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "cbc(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
|
|
+ .name = "cbc(des3_ede)", .drv_name = "cbc-3des", .bsize = 8,
|
|
.ablkcipher = {
|
|
+ .ivsize = HIFN_IV_LENGTH,
|
|
.min_keysize = HIFN_3DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_3DES_KEY_LENGTH,
|
|
.setkey = hifn_setkey,
|
|
@@ -2394,7 +2388,7 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "ecb(des3_ede)", .drv_name = "hifn-3des", .bsize = 8,
|
|
+ .name = "ecb(des3_ede)", .drv_name = "ecb-3des", .bsize = 8,
|
|
.ablkcipher = {
|
|
.min_keysize = HIFN_3DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_3DES_KEY_LENGTH,
|
|
@@ -2408,7 +2402,7 @@
|
|
* DES ECB, CBC, CFB and OFB modes.
|
|
*/
|
|
{
|
|
- .name = "cfb(des)", .drv_name = "hifn-des", .bsize = 8,
|
|
+ .name = "cfb(des)", .drv_name = "cfb-des", .bsize = 8,
|
|
.ablkcipher = {
|
|
.min_keysize = HIFN_DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_DES_KEY_LENGTH,
|
|
@@ -2418,7 +2412,7 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "ofb(des)", .drv_name = "hifn-des", .bsize = 8,
|
|
+ .name = "ofb(des)", .drv_name = "ofb-des", .bsize = 8,
|
|
.ablkcipher = {
|
|
.min_keysize = HIFN_DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_DES_KEY_LENGTH,
|
|
@@ -2428,8 +2422,9 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "cbc(des)", .drv_name = "hifn-des", .bsize = 8,
|
|
+ .name = "cbc(des)", .drv_name = "cbc-des", .bsize = 8,
|
|
.ablkcipher = {
|
|
+ .ivsize = HIFN_IV_LENGTH,
|
|
.min_keysize = HIFN_DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_DES_KEY_LENGTH,
|
|
.setkey = hifn_setkey,
|
|
@@ -2438,7 +2433,7 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "ecb(des)", .drv_name = "hifn-des", .bsize = 8,
|
|
+ .name = "ecb(des)", .drv_name = "ecb-des", .bsize = 8,
|
|
.ablkcipher = {
|
|
.min_keysize = HIFN_DES_KEY_LENGTH,
|
|
.max_keysize = HIFN_DES_KEY_LENGTH,
|
|
@@ -2452,7 +2447,7 @@
|
|
* AES ECB, CBC, CFB and OFB modes.
|
|
*/
|
|
{
|
|
- .name = "ecb(aes)", .drv_name = "hifn-aes", .bsize = 16,
|
|
+ .name = "ecb(aes)", .drv_name = "ecb-aes", .bsize = 16,
|
|
.ablkcipher = {
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
@@ -2462,8 +2457,9 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "cbc(aes)", .drv_name = "hifn-aes", .bsize = 16,
|
|
+ .name = "cbc(aes)", .drv_name = "cbc-aes", .bsize = 16,
|
|
.ablkcipher = {
|
|
+ .ivsize = HIFN_AES_IV_LENGTH,
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.setkey = hifn_setkey,
|
|
@@ -2472,7 +2468,7 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "cfb(aes)", .drv_name = "hifn-aes", .bsize = 16,
|
|
+ .name = "cfb(aes)", .drv_name = "cfb-aes", .bsize = 16,
|
|
.ablkcipher = {
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
@@ -2482,7 +2478,7 @@
|
|
},
|
|
},
|
|
{
|
|
- .name = "ofb(aes)", .drv_name = "hifn-aes", .bsize = 16,
|
|
+ .name = "ofb(aes)", .drv_name = "ofb-aes", .bsize = 16,
|
|
.ablkcipher = {
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
@@ -2514,15 +2510,14 @@
|
|
return -ENOMEM;
|
|
|
|
snprintf(alg->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s", t->name);
|
|
- snprintf(alg->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", t->drv_name);
|
|
+ snprintf(alg->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-%s",
|
|
+ t->drv_name, dev->name);
|
|
|
|
alg->alg.cra_priority = 300;
|
|
alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
|
|
alg->alg.cra_blocksize = t->bsize;
|
|
alg->alg.cra_ctxsize = sizeof(struct hifn_context);
|
|
- alg->alg.cra_alignmask = 15;
|
|
- if (t->bsize == 8)
|
|
- alg->alg.cra_alignmask = 3;
|
|
+ alg->alg.cra_alignmask = 0;
|
|
alg->alg.cra_type = &crypto_ablkcipher_type;
|
|
alg->alg.cra_module = THIS_MODULE;
|
|
alg->alg.cra_u.ablkcipher = t->ablkcipher;
|
|
--- /dev/null
|
|
+++ b/drivers/crypto/ixp4xx_crypto.c
|
|
@@ -0,0 +1,1506 @@
|
|
+/*
|
|
+ * Intel IXP4xx NPE-C crypto driver
|
|
+ *
|
|
+ * Copyright (C) 2008 Christian Hohnstaedt <chohnstaedt@innominate.com>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of version 2 of the GNU General Public License
|
|
+ * as published by the Free Software Foundation.
|
|
+ *
|
|
+ */
|
|
+
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/dmapool.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/rtnetlink.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/spinlock.h>
|
|
+
|
|
+#include <crypto/ctr.h>
|
|
+#include <crypto/des.h>
|
|
+#include <crypto/aes.h>
|
|
+#include <crypto/sha.h>
|
|
+#include <crypto/algapi.h>
|
|
+#include <crypto/aead.h>
|
|
+#include <crypto/authenc.h>
|
|
+#include <crypto/scatterwalk.h>
|
|
+
|
|
+#include <asm/arch/npe.h>
|
|
+#include <asm/arch/qmgr.h>
|
|
+
|
|
+#define MAX_KEYLEN 32
|
|
+
|
|
+/* hash: cfgword + 2 * digestlen; crypt: keylen + cfgword */
|
|
+#define NPE_CTX_LEN 80
|
|
+#define AES_BLOCK128 16
|
|
+
|
|
+#define NPE_OP_HASH_VERIFY 0x01
|
|
+#define NPE_OP_CCM_ENABLE 0x04
|
|
+#define NPE_OP_CRYPT_ENABLE 0x08
|
|
+#define NPE_OP_HASH_ENABLE 0x10
|
|
+#define NPE_OP_NOT_IN_PLACE 0x20
|
|
+#define NPE_OP_HMAC_DISABLE 0x40
|
|
+#define NPE_OP_CRYPT_ENCRYPT 0x80
|
|
+
|
|
+#define NPE_OP_CCM_GEN_MIC 0xcc
|
|
+#define NPE_OP_HASH_GEN_ICV 0x50
|
|
+#define NPE_OP_ENC_GEN_KEY 0xc9
|
|
+
|
|
+#define MOD_ECB 0x0000
|
|
+#define MOD_CTR 0x1000
|
|
+#define MOD_CBC_ENC 0x2000
|
|
+#define MOD_CBC_DEC 0x3000
|
|
+#define MOD_CCM_ENC 0x4000
|
|
+#define MOD_CCM_DEC 0x5000
|
|
+
|
|
+#define KEYLEN_128 4
|
|
+#define KEYLEN_192 6
|
|
+#define KEYLEN_256 8
|
|
+
|
|
+#define CIPH_DECR 0x0000
|
|
+#define CIPH_ENCR 0x0400
|
|
+
|
|
+#define MOD_DES 0x0000
|
|
+#define MOD_TDEA2 0x0100
|
|
+#define MOD_3DES 0x0200
|
|
+#define MOD_AES 0x0800
|
|
+#define MOD_AES128 (0x0800 | KEYLEN_128)
|
|
+#define MOD_AES192 (0x0900 | KEYLEN_192)
|
|
+#define MOD_AES256 (0x0a00 | KEYLEN_256)
|
|
+
|
|
+#define MAX_IVLEN 16
|
|
+#define NPE_ID 2 /* NPE C */
|
|
+#define NPE_QLEN 16
|
|
+/* Space for registering when the first
|
|
+ * NPE_QLEN crypt_ctl are busy */
|
|
+#define NPE_QLEN_TOTAL 64
|
|
+
|
|
+#define SEND_QID 29
|
|
+#define RECV_QID 30
|
|
+
|
|
+#define CTL_FLAG_UNUSED 0x0000
|
|
+#define CTL_FLAG_USED 0x1000
|
|
+#define CTL_FLAG_PERFORM_ABLK 0x0001
|
|
+#define CTL_FLAG_GEN_ICV 0x0002
|
|
+#define CTL_FLAG_GEN_REVAES 0x0004
|
|
+#define CTL_FLAG_PERFORM_AEAD 0x0008
|
|
+#define CTL_FLAG_MASK 0x000f
|
|
+
|
|
+#define HMAC_IPAD_VALUE 0x36
|
|
+#define HMAC_OPAD_VALUE 0x5C
|
|
+#define HMAC_PAD_BLOCKLEN SHA1_BLOCK_SIZE
|
|
+
|
|
+#define MD5_DIGEST_SIZE 16
|
|
+
|
|
+struct buffer_desc {
|
|
+ u32 phys_next;
|
|
+ u16 buf_len;
|
|
+ u16 pkt_len;
|
|
+ u32 phys_addr;
|
|
+ u32 __reserved[4];
|
|
+ struct buffer_desc *next;
|
|
+};
|
|
+
|
|
+struct crypt_ctl {
|
|
+ u8 mode; /* NPE_OP_* operation mode */
|
|
+ u8 init_len;
|
|
+ u16 reserved;
|
|
+ u8 iv[MAX_IVLEN]; /* IV for CBC mode or CTR IV for CTR mode */
|
|
+ u32 icv_rev_aes; /* icv or rev aes */
|
|
+ u32 src_buf;
|
|
+ u32 dst_buf;
|
|
+ u16 auth_offs; /* Authentication start offset */
|
|
+ u16 auth_len; /* Authentication data length */
|
|
+ u16 crypt_offs; /* Cryption start offset */
|
|
+ u16 crypt_len; /* Cryption data length */
|
|
+ u32 aadAddr; /* Additional Auth Data Addr for CCM mode */
|
|
+ u32 crypto_ctx; /* NPE Crypto Param structure address */
|
|
+
|
|
+ /* Used by Host: 4*4 bytes*/
|
|
+ unsigned ctl_flags;
|
|
+ union {
|
|
+ struct ablkcipher_request *ablk_req;
|
|
+ struct aead_request *aead_req;
|
|
+ struct crypto_tfm *tfm;
|
|
+ } data;
|
|
+ struct buffer_desc *regist_buf;
|
|
+ u8 *regist_ptr;
|
|
+};
|
|
+
|
|
+struct ablk_ctx {
|
|
+ struct buffer_desc *src;
|
|
+ struct buffer_desc *dst;
|
|
+ unsigned src_nents;
|
|
+ unsigned dst_nents;
|
|
+};
|
|
+
|
|
+struct aead_ctx {
|
|
+ struct buffer_desc *buffer;
|
|
+ unsigned short assoc_nents;
|
|
+ unsigned short src_nents;
|
|
+ struct scatterlist ivlist;
|
|
+ /* used when the hmac is not on one sg entry */
|
|
+ u8 *hmac_virt;
|
|
+ int encrypt;
|
|
+};
|
|
+
|
|
+struct ix_hash_algo {
|
|
+ u32 cfgword;
|
|
+ unsigned char *icv;
|
|
+};
|
|
+
|
|
+struct ix_sa_dir {
|
|
+ unsigned char *npe_ctx;
|
|
+ dma_addr_t npe_ctx_phys;
|
|
+ int npe_ctx_idx;
|
|
+ u8 npe_mode;
|
|
+};
|
|
+
|
|
+struct ixp_ctx {
|
|
+ struct ix_sa_dir encrypt;
|
|
+ struct ix_sa_dir decrypt;
|
|
+ int authkey_len;
|
|
+ u8 authkey[MAX_KEYLEN];
|
|
+ int enckey_len;
|
|
+ u8 enckey[MAX_KEYLEN];
|
|
+ u8 salt[MAX_IVLEN];
|
|
+ u8 nonce[CTR_RFC3686_NONCE_SIZE];
|
|
+ unsigned salted;
|
|
+ atomic_t configuring;
|
|
+ struct completion completion;
|
|
+};
|
|
+
|
|
+struct ixp_alg {
|
|
+ struct crypto_alg crypto;
|
|
+ const struct ix_hash_algo *hash;
|
|
+ u32 cfg_enc;
|
|
+ u32 cfg_dec;
|
|
+
|
|
+ int registered;
|
|
+};
|
|
+
|
|
+static const struct ix_hash_algo hash_alg_md5 = {
|
|
+ .cfgword = 0xAA010004,
|
|
+ .icv = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
|
|
+ "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
|
|
+};
|
|
+static const struct ix_hash_algo hash_alg_sha1 = {
|
|
+ .cfgword = 0x00000005,
|
|
+ .icv = "\x67\x45\x23\x01\xEF\xCD\xAB\x89\x98\xBA"
|
|
+ "\xDC\xFE\x10\x32\x54\x76\xC3\xD2\xE1\xF0",
|
|
+};
|
|
+
|
|
+static struct npe *npe_c;
|
|
+static struct dma_pool *buffer_pool = NULL;
|
|
+static struct dma_pool *ctx_pool = NULL;
|
|
+
|
|
+static struct crypt_ctl *crypt_virt = NULL;
|
|
+static dma_addr_t crypt_phys;
|
|
+
|
|
+static int support_aes = 1;
|
|
+
|
|
+static void dev_release(struct device *dev)
|
|
+{
|
|
+ return;
|
|
+}
|
|
+
|
|
+#define DRIVER_NAME "ixp4xx_crypto"
|
|
+static struct platform_device pseudo_dev = {
|
|
+ .name = DRIVER_NAME,
|
|
+ .id = 0,
|
|
+ .num_resources = 0,
|
|
+ .dev = {
|
|
+ .coherent_dma_mask = DMA_32BIT_MASK,
|
|
+ .release = dev_release,
|
|
+ }
|
|
+};
|
|
+
|
|
+static struct device *dev = &pseudo_dev.dev;
|
|
+
|
|
+static inline dma_addr_t crypt_virt2phys(struct crypt_ctl *virt)
|
|
+{
|
|
+ return crypt_phys + (virt - crypt_virt) * sizeof(struct crypt_ctl);
|
|
+}
|
|
+
|
|
+static inline struct crypt_ctl *crypt_phys2virt(dma_addr_t phys)
|
|
+{
|
|
+ return crypt_virt + (phys - crypt_phys) / sizeof(struct crypt_ctl);
|
|
+}
|
|
+
|
|
+static inline u32 cipher_cfg_enc(struct crypto_tfm *tfm)
|
|
+{
|
|
+ return container_of(tfm->__crt_alg, struct ixp_alg,crypto)->cfg_enc;
|
|
+}
|
|
+
|
|
+static inline u32 cipher_cfg_dec(struct crypto_tfm *tfm)
|
|
+{
|
|
+ return container_of(tfm->__crt_alg, struct ixp_alg,crypto)->cfg_dec;
|
|
+}
|
|
+
|
|
+static inline const struct ix_hash_algo *ix_hash(struct crypto_tfm *tfm)
|
|
+{
|
|
+ return container_of(tfm->__crt_alg, struct ixp_alg, crypto)->hash;
|
|
+}
|
|
+
|
|
+static int setup_crypt_desc(void)
|
|
+{
|
|
+ BUILD_BUG_ON(sizeof(struct crypt_ctl) != 64);
|
|
+ crypt_virt = dma_alloc_coherent(dev,
|
|
+ NPE_QLEN * sizeof(struct crypt_ctl),
|
|
+ &crypt_phys, GFP_KERNEL);
|
|
+ if (!crypt_virt)
|
|
+ return -ENOMEM;
|
|
+ memset(crypt_virt, 0, NPE_QLEN * sizeof(struct crypt_ctl));
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static spinlock_t desc_lock;
|
|
+static struct crypt_ctl *get_crypt_desc(void)
|
|
+{
|
|
+ int i;
|
|
+ static int idx = 0;
|
|
+ unsigned long flags;
|
|
+
|
|
+ spin_lock_irqsave(&desc_lock, flags);
|
|
+
|
|
+ if (unlikely(!crypt_virt))
|
|
+ setup_crypt_desc();
|
|
+ if (unlikely(!crypt_virt)) {
|
|
+ spin_unlock_irqrestore(&desc_lock, flags);
|
|
+ return NULL;
|
|
+ }
|
|
+ i = idx;
|
|
+ if (crypt_virt[i].ctl_flags == CTL_FLAG_UNUSED) {
|
|
+ if (++idx >= NPE_QLEN)
|
|
+ idx = 0;
|
|
+ crypt_virt[i].ctl_flags = CTL_FLAG_USED;
|
|
+ spin_unlock_irqrestore(&desc_lock, flags);
|
|
+ return crypt_virt +i;
|
|
+ } else {
|
|
+ spin_unlock_irqrestore(&desc_lock, flags);
|
|
+ return NULL;
|
|
+ }
|
|
+}
|
|
+
|
|
+static spinlock_t emerg_lock;
|
|
+static struct crypt_ctl *get_crypt_desc_emerg(void)
|
|
+{
|
|
+ int i;
|
|
+ static int idx = NPE_QLEN;
|
|
+ struct crypt_ctl *desc;
|
|
+ unsigned long flags;
|
|
+
|
|
+ desc = get_crypt_desc();
|
|
+ if (desc)
|
|
+ return desc;
|
|
+ if (unlikely(!crypt_virt))
|
|
+ return NULL;
|
|
+
|
|
+ spin_lock_irqsave(&emerg_lock, flags);
|
|
+ i = idx;
|
|
+ if (crypt_virt[i].ctl_flags == CTL_FLAG_UNUSED) {
|
|
+ if (++idx >= NPE_QLEN_TOTAL)
|
|
+ idx = NPE_QLEN;
|
|
+ crypt_virt[i].ctl_flags = CTL_FLAG_USED;
|
|
+ spin_unlock_irqrestore(&emerg_lock, flags);
|
|
+ return crypt_virt +i;
|
|
+ } else {
|
|
+ spin_unlock_irqrestore(&emerg_lock, flags);
|
|
+ return NULL;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void free_buf_chain(struct buffer_desc *buf, u32 phys)
|
|
+{
|
|
+ while (buf) {
|
|
+ struct buffer_desc *buf1;
|
|
+ u32 phys1;
|
|
+
|
|
+ buf1 = buf->next;
|
|
+ phys1 = buf->phys_next;
|
|
+ dma_pool_free(buffer_pool, buf, phys);
|
|
+ buf = buf1;
|
|
+ phys = phys1;
|
|
+ }
|
|
+}
|
|
+
|
|
+static struct tasklet_struct crypto_done_tasklet;
|
|
+
|
|
+static void finish_scattered_hmac(struct crypt_ctl *crypt)
|
|
+{
|
|
+ struct aead_request *req = crypt->data.aead_req;
|
|
+ struct aead_ctx *req_ctx = aead_request_ctx(req);
|
|
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
|
+ int authsize = crypto_aead_authsize(tfm);
|
|
+ int decryptlen = req->cryptlen - authsize;
|
|
+
|
|
+ if (req_ctx->encrypt) {
|
|
+ scatterwalk_map_and_copy(req_ctx->hmac_virt,
|
|
+ req->src, decryptlen, authsize, 1);
|
|
+ }
|
|
+ dma_pool_free(buffer_pool, req_ctx->hmac_virt, crypt->icv_rev_aes);
|
|
+}
|
|
+
|
|
+static void one_packet(dma_addr_t phys)
|
|
+{
|
|
+ struct crypt_ctl *crypt;
|
|
+ struct ixp_ctx *ctx;
|
|
+ int failed;
|
|
+ enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
|
|
+
|
|
+ failed = phys & 0x1 ? -EBADMSG : 0;
|
|
+ phys &= ~0x3;
|
|
+ crypt = crypt_phys2virt(phys);
|
|
+
|
|
+ switch (crypt->ctl_flags & CTL_FLAG_MASK) {
|
|
+ case CTL_FLAG_PERFORM_AEAD: {
|
|
+ struct aead_request *req = crypt->data.aead_req;
|
|
+ struct aead_ctx *req_ctx = aead_request_ctx(req);
|
|
+ dma_unmap_sg(dev, req->assoc, req_ctx->assoc_nents,
|
|
+ DMA_TO_DEVICE);
|
|
+ dma_unmap_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
|
|
+ dma_unmap_sg(dev, req->src, req_ctx->src_nents,
|
|
+ DMA_BIDIRECTIONAL);
|
|
+
|
|
+ free_buf_chain(req_ctx->buffer, crypt->src_buf);
|
|
+ if (req_ctx->hmac_virt) {
|
|
+ finish_scattered_hmac(crypt);
|
|
+ }
|
|
+ req->base.complete(&req->base, failed);
|
|
+ break;
|
|
+ }
|
|
+ case CTL_FLAG_PERFORM_ABLK: {
|
|
+ struct ablkcipher_request *req = crypt->data.ablk_req;
|
|
+ struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
|
|
+ int nents;
|
|
+ if (req_ctx->dst) {
|
|
+ nents = req_ctx->dst_nents;
|
|
+ dma_unmap_sg(dev, req->dst, nents, DMA_FROM_DEVICE);
|
|
+ free_buf_chain(req_ctx->dst, crypt->dst_buf);
|
|
+ src_direction = DMA_TO_DEVICE;
|
|
+ }
|
|
+ nents = req_ctx->src_nents;
|
|
+ dma_unmap_sg(dev, req->src, nents, src_direction);
|
|
+ free_buf_chain(req_ctx->src, crypt->src_buf);
|
|
+ req->base.complete(&req->base, failed);
|
|
+ break;
|
|
+ }
|
|
+ case CTL_FLAG_GEN_ICV:
|
|
+ ctx = crypto_tfm_ctx(crypt->data.tfm);
|
|
+ dma_pool_free(ctx_pool, crypt->regist_ptr,
|
|
+ crypt->regist_buf->phys_addr);
|
|
+ dma_pool_free(buffer_pool, crypt->regist_buf, crypt->src_buf);
|
|
+ if (atomic_dec_and_test(&ctx->configuring))
|
|
+ complete(&ctx->completion);
|
|
+ break;
|
|
+ case CTL_FLAG_GEN_REVAES:
|
|
+ ctx = crypto_tfm_ctx(crypt->data.tfm);
|
|
+ *(u32*)ctx->decrypt.npe_ctx &= cpu_to_be32(~CIPH_ENCR);
|
|
+ if (atomic_dec_and_test(&ctx->configuring))
|
|
+ complete(&ctx->completion);
|
|
+ break;
|
|
+ default:
|
|
+ BUG();
|
|
+ }
|
|
+ crypt->ctl_flags = CTL_FLAG_UNUSED;
|
|
+}
|
|
+
|
|
+static void irqhandler(void *_unused)
|
|
+{
|
|
+ tasklet_schedule(&crypto_done_tasklet);
|
|
+}
|
|
+
|
|
+static void crypto_done_action(unsigned long arg)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ for(i=0; i<4; i++) {
|
|
+ dma_addr_t phys = qmgr_get_entry(RECV_QID);
|
|
+ if (!phys)
|
|
+ return;
|
|
+ one_packet(phys);
|
|
+ }
|
|
+ tasklet_schedule(&crypto_done_tasklet);
|
|
+}
|
|
+
|
|
+static int init_ixp_crypto(void)
|
|
+{
|
|
+ int ret = -ENODEV;
|
|
+
|
|
+ if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
|
|
+ IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
|
|
+ printk(KERN_ERR "ixp_crypto: No HW crypto available\n");
|
|
+ return ret;
|
|
+ }
|
|
+ npe_c = npe_request(NPE_ID);
|
|
+ if (!npe_c)
|
|
+ return ret;
|
|
+
|
|
+ if (!npe_running(npe_c)) {
|
|
+ npe_load_firmware(npe_c, npe_name(npe_c), dev);
|
|
+ }
|
|
+
|
|
+ /* buffer_pool will also be used to sometimes store the hmac,
|
|
+ * so assure it is large enough
|
|
+ */
|
|
+ BUILD_BUG_ON(SHA1_DIGEST_SIZE > sizeof(struct buffer_desc));
|
|
+ buffer_pool = dma_pool_create("buffer", dev,
|
|
+ sizeof(struct buffer_desc), 32, 0);
|
|
+ ret = -ENOMEM;
|
|
+ if (!buffer_pool) {
|
|
+ goto err;
|
|
+ }
|
|
+ ctx_pool = dma_pool_create("context", dev,
|
|
+ NPE_CTX_LEN, 16, 0);
|
|
+ if (!ctx_pool) {
|
|
+ goto err;
|
|
+ }
|
|
+ ret = qmgr_request_queue(SEND_QID, NPE_QLEN_TOTAL, 0, 0);
|
|
+ if (ret)
|
|
+ goto err;
|
|
+ ret = qmgr_request_queue(RECV_QID, NPE_QLEN, 0, 0);
|
|
+ if (ret) {
|
|
+ qmgr_release_queue(SEND_QID);
|
|
+ goto err;
|
|
+ }
|
|
+ qmgr_set_irq(RECV_QID, QUEUE_IRQ_SRC_NOT_EMPTY, irqhandler, NULL);
|
|
+ tasklet_init(&crypto_done_tasklet, crypto_done_action, 0);
|
|
+
|
|
+ qmgr_enable_irq(RECV_QID);
|
|
+ return 0;
|
|
+err:
|
|
+ if (ctx_pool)
|
|
+ dma_pool_destroy(ctx_pool);
|
|
+ if (buffer_pool)
|
|
+ dma_pool_destroy(buffer_pool);
|
|
+ npe_release(npe_c);
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void release_ixp_crypto(void)
|
|
+{
|
|
+ qmgr_disable_irq(RECV_QID);
|
|
+ tasklet_kill(&crypto_done_tasklet);
|
|
+
|
|
+ qmgr_release_queue(SEND_QID);
|
|
+ qmgr_release_queue(RECV_QID);
|
|
+
|
|
+ dma_pool_destroy(ctx_pool);
|
|
+ dma_pool_destroy(buffer_pool);
|
|
+
|
|
+ npe_release(npe_c);
|
|
+
|
|
+ if (crypt_virt) {
|
|
+ dma_free_coherent(dev,
|
|
+ NPE_QLEN_TOTAL * sizeof( struct crypt_ctl),
|
|
+ crypt_virt, crypt_phys);
|
|
+ }
|
|
+ return;
|
|
+}
|
|
+
|
|
+static void reset_sa_dir(struct ix_sa_dir *dir)
|
|
+{
|
|
+ memset(dir->npe_ctx, 0, NPE_CTX_LEN);
|
|
+ dir->npe_ctx_idx = 0;
|
|
+ dir->npe_mode = 0;
|
|
+}
|
|
+
|
|
+static int init_sa_dir(struct ix_sa_dir *dir)
|
|
+{
|
|
+ dir->npe_ctx = dma_pool_alloc(ctx_pool, GFP_KERNEL, &dir->npe_ctx_phys);
|
|
+ if (!dir->npe_ctx) {
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+ reset_sa_dir(dir);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void free_sa_dir(struct ix_sa_dir *dir)
|
|
+{
|
|
+ memset(dir->npe_ctx, 0, NPE_CTX_LEN);
|
|
+ dma_pool_free(ctx_pool, dir->npe_ctx, dir->npe_ctx_phys);
|
|
+}
|
|
+
|
|
+static int init_tfm(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ int ret;
|
|
+
|
|
+ atomic_set(&ctx->configuring, 0);
|
|
+ ret = init_sa_dir(&ctx->encrypt);
|
|
+ if (ret)
|
|
+ return ret;
|
|
+ ret = init_sa_dir(&ctx->decrypt);
|
|
+ if (ret) {
|
|
+ free_sa_dir(&ctx->encrypt);
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int init_tfm_ablk(struct crypto_tfm *tfm)
|
|
+{
|
|
+ tfm->crt_ablkcipher.reqsize = sizeof(struct ablk_ctx);
|
|
+ return init_tfm(tfm);
|
|
+}
|
|
+
|
|
+static int init_tfm_aead(struct crypto_tfm *tfm)
|
|
+{
|
|
+ tfm->crt_aead.reqsize = sizeof(struct aead_ctx);
|
|
+ return init_tfm(tfm);
|
|
+}
|
|
+
|
|
+static void exit_tfm(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ free_sa_dir(&ctx->encrypt);
|
|
+ free_sa_dir(&ctx->decrypt);
|
|
+}
|
|
+
|
|
+static int register_chain_var(struct crypto_tfm *tfm, u8 xpad, u32 target,
|
|
+ int init_len, u32 ctx_addr, const u8 *key, int key_len)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ struct crypt_ctl *crypt;
|
|
+ struct buffer_desc *buf;
|
|
+ int i;
|
|
+ u8 *pad;
|
|
+ u32 pad_phys, buf_phys;
|
|
+
|
|
+ BUILD_BUG_ON(NPE_CTX_LEN < HMAC_PAD_BLOCKLEN);
|
|
+ pad = dma_pool_alloc(ctx_pool, GFP_KERNEL, &pad_phys);
|
|
+ if (!pad)
|
|
+ return -ENOMEM;
|
|
+ buf = dma_pool_alloc(buffer_pool, GFP_KERNEL, &buf_phys);
|
|
+ if (!buf) {
|
|
+ dma_pool_free(ctx_pool, pad, pad_phys);
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+ crypt = get_crypt_desc_emerg();
|
|
+ if (!crypt) {
|
|
+ dma_pool_free(ctx_pool, pad, pad_phys);
|
|
+ dma_pool_free(buffer_pool, buf, buf_phys);
|
|
+ return -EAGAIN;
|
|
+ }
|
|
+
|
|
+ memcpy(pad, key, key_len);
|
|
+ memset(pad + key_len, 0, HMAC_PAD_BLOCKLEN - key_len);
|
|
+ for (i = 0; i < HMAC_PAD_BLOCKLEN; i++) {
|
|
+ pad[i] ^= xpad;
|
|
+ }
|
|
+
|
|
+ crypt->data.tfm = tfm;
|
|
+ crypt->regist_ptr = pad;
|
|
+ crypt->regist_buf = buf;
|
|
+
|
|
+ crypt->auth_offs = 0;
|
|
+ crypt->auth_len = HMAC_PAD_BLOCKLEN;
|
|
+ crypt->crypto_ctx = ctx_addr;
|
|
+ crypt->src_buf = buf_phys;
|
|
+ crypt->icv_rev_aes = target;
|
|
+ crypt->mode = NPE_OP_HASH_GEN_ICV;
|
|
+ crypt->init_len = init_len;
|
|
+ crypt->ctl_flags |= CTL_FLAG_GEN_ICV;
|
|
+
|
|
+ buf->next = 0;
|
|
+ buf->buf_len = HMAC_PAD_BLOCKLEN;
|
|
+ buf->pkt_len = 0;
|
|
+ buf->phys_addr = pad_phys;
|
|
+
|
|
+ atomic_inc(&ctx->configuring);
|
|
+ qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
|
|
+ BUG_ON(qmgr_stat_overflow(SEND_QID));
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int setup_auth(struct crypto_tfm *tfm, int encrypt, unsigned authsize,
|
|
+ const u8 *key, int key_len, unsigned digest_len)
|
|
+{
|
|
+ u32 itarget, otarget, npe_ctx_addr;
|
|
+ unsigned char *cinfo;
|
|
+ int init_len, ret = 0;
|
|
+ u32 cfgword;
|
|
+ struct ix_sa_dir *dir;
|
|
+ struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ const struct ix_hash_algo *algo;
|
|
+
|
|
+ dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
|
|
+ cinfo = dir->npe_ctx + dir->npe_ctx_idx;
|
|
+ algo = ix_hash(tfm);
|
|
+
|
|
+ /* write cfg word to cryptinfo */
|
|
+ cfgword = algo->cfgword | ( authsize << 6); /* (authsize/4) << 8 */
|
|
+ *(u32*)cinfo = cpu_to_be32(cfgword);
|
|
+ cinfo += sizeof(cfgword);
|
|
+
|
|
+ /* write ICV to cryptinfo */
|
|
+ memcpy(cinfo, algo->icv, digest_len);
|
|
+ cinfo += digest_len;
|
|
+
|
|
+ itarget = dir->npe_ctx_phys + dir->npe_ctx_idx
|
|
+ + sizeof(algo->cfgword);
|
|
+ otarget = itarget + digest_len;
|
|
+ init_len = cinfo - (dir->npe_ctx + dir->npe_ctx_idx);
|
|
+ npe_ctx_addr = dir->npe_ctx_phys + dir->npe_ctx_idx;
|
|
+
|
|
+ dir->npe_ctx_idx += init_len;
|
|
+ dir->npe_mode |= NPE_OP_HASH_ENABLE;
|
|
+
|
|
+ if (!encrypt)
|
|
+ dir->npe_mode |= NPE_OP_HASH_VERIFY;
|
|
+
|
|
+ ret = register_chain_var(tfm, HMAC_OPAD_VALUE, otarget,
|
|
+ init_len, npe_ctx_addr, key, key_len);
|
|
+ if (ret)
|
|
+ return ret;
|
|
+ return register_chain_var(tfm, HMAC_IPAD_VALUE, itarget,
|
|
+ init_len, npe_ctx_addr, key, key_len);
|
|
+}
|
|
+
|
|
+static int gen_rev_aes_key(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct crypt_ctl *crypt;
|
|
+ struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ struct ix_sa_dir *dir = &ctx->decrypt;
|
|
+
|
|
+ crypt = get_crypt_desc_emerg();
|
|
+ if (!crypt) {
|
|
+ return -EAGAIN;
|
|
+ }
|
|
+ *(u32*)dir->npe_ctx |= cpu_to_be32(CIPH_ENCR);
|
|
+
|
|
+ crypt->data.tfm = tfm;
|
|
+ crypt->crypt_offs = 0;
|
|
+ crypt->crypt_len = AES_BLOCK128;
|
|
+ crypt->src_buf = 0;
|
|
+ crypt->crypto_ctx = dir->npe_ctx_phys;
|
|
+ crypt->icv_rev_aes = dir->npe_ctx_phys + sizeof(u32);
|
|
+ crypt->mode = NPE_OP_ENC_GEN_KEY;
|
|
+ crypt->init_len = dir->npe_ctx_idx;
|
|
+ crypt->ctl_flags |= CTL_FLAG_GEN_REVAES;
|
|
+
|
|
+ atomic_inc(&ctx->configuring);
|
|
+ qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
|
|
+ BUG_ON(qmgr_stat_overflow(SEND_QID));
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int setup_cipher(struct crypto_tfm *tfm, int encrypt,
|
|
+ const u8 *key, int key_len)
|
|
+{
|
|
+ u8 *cinfo;
|
|
+ u32 cipher_cfg;
|
|
+ u32 keylen_cfg = 0;
|
|
+ struct ix_sa_dir *dir;
|
|
+ struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ u32 *flags = &tfm->crt_flags;
|
|
+
|
|
+ dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
|
|
+ cinfo = dir->npe_ctx;
|
|
+
|
|
+ if (encrypt) {
|
|
+ cipher_cfg = cipher_cfg_enc(tfm);
|
|
+ dir->npe_mode |= NPE_OP_CRYPT_ENCRYPT;
|
|
+ } else {
|
|
+ cipher_cfg = cipher_cfg_dec(tfm);
|
|
+ }
|
|
+ if (cipher_cfg & MOD_AES) {
|
|
+ switch (key_len) {
|
|
+ case 16: keylen_cfg = MOD_AES128 | KEYLEN_128; break;
|
|
+ case 24: keylen_cfg = MOD_AES192 | KEYLEN_192; break;
|
|
+ case 32: keylen_cfg = MOD_AES256 | KEYLEN_256; break;
|
|
+ default:
|
|
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ cipher_cfg |= keylen_cfg;
|
|
+ } else if (cipher_cfg & MOD_3DES) {
|
|
+ const u32 *K = (const u32 *)key;
|
|
+ if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) ||
|
|
+ !((K[2] ^ K[4]) | (K[3] ^ K[5]))))
|
|
+ {
|
|
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ } else {
|
|
+ u32 tmp[DES_EXPKEY_WORDS];
|
|
+ if (des_ekey(tmp, key) == 0) {
|
|
+ *flags |= CRYPTO_TFM_RES_WEAK_KEY;
|
|
+ }
|
|
+ }
|
|
+ /* write cfg word to cryptinfo */
|
|
+ *(u32*)cinfo = cpu_to_be32(cipher_cfg);
|
|
+ cinfo += sizeof(cipher_cfg);
|
|
+
|
|
+ /* write cipher key to cryptinfo */
|
|
+ memcpy(cinfo, key, key_len);
|
|
+ /* NPE wants keylen set to DES3_EDE_KEY_SIZE even for single DES */
|
|
+ if (key_len < DES3_EDE_KEY_SIZE && !(cipher_cfg & MOD_AES)) {
|
|
+ memset(cinfo + key_len, 0, DES3_EDE_KEY_SIZE -key_len);
|
|
+ key_len = DES3_EDE_KEY_SIZE;
|
|
+ }
|
|
+ dir->npe_ctx_idx = sizeof(cipher_cfg) + key_len;
|
|
+ dir->npe_mode |= NPE_OP_CRYPT_ENABLE;
|
|
+ if ((cipher_cfg & MOD_AES) && !encrypt) {
|
|
+ return gen_rev_aes_key(tfm);
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int count_sg(struct scatterlist *sg, int nbytes)
|
|
+{
|
|
+ int i;
|
|
+ for (i = 0; nbytes > 0; i++, sg = sg_next(sg))
|
|
+ nbytes -= sg->length;
|
|
+ return i;
|
|
+}
|
|
+
|
|
+static struct buffer_desc *chainup_buffers(struct scatterlist *sg,
|
|
+ unsigned nbytes, struct buffer_desc *buf, gfp_t flags)
|
|
+{
|
|
+ int nents = 0;
|
|
+
|
|
+ while (nbytes > 0) {
|
|
+ struct buffer_desc *next_buf;
|
|
+ u32 next_buf_phys;
|
|
+ unsigned len = min(nbytes, sg_dma_len(sg));
|
|
+
|
|
+ nents++;
|
|
+ nbytes -= len;
|
|
+ if (!buf->phys_addr) {
|
|
+ buf->phys_addr = sg_dma_address(sg);
|
|
+ buf->buf_len = len;
|
|
+ buf->next = NULL;
|
|
+ buf->phys_next = 0;
|
|
+ goto next;
|
|
+ }
|
|
+ /* Two consecutive chunks on one page may be handled by the old
|
|
+ * buffer descriptor, increased by the length of the new one
|
|
+ */
|
|
+ if (sg_dma_address(sg) == buf->phys_addr + buf->buf_len) {
|
|
+ buf->buf_len += len;
|
|
+ goto next;
|
|
+ }
|
|
+ next_buf = dma_pool_alloc(buffer_pool, flags, &next_buf_phys);
|
|
+ if (!next_buf)
|
|
+ return NULL;
|
|
+ buf->next = next_buf;
|
|
+ buf->phys_next = next_buf_phys;
|
|
+
|
|
+ buf = next_buf;
|
|
+ buf->next = NULL;
|
|
+ buf->phys_next = 0;
|
|
+ buf->phys_addr = sg_dma_address(sg);
|
|
+ buf->buf_len = len;
|
|
+next:
|
|
+ if (nbytes > 0) {
|
|
+ sg = sg_next(sg);
|
|
+ }
|
|
+ }
|
|
+ return buf;
|
|
+}
|
|
+
|
|
+static int ablk_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
|
|
+ unsigned int key_len)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
|
|
+ u32 *flags = &tfm->base.crt_flags;
|
|
+ int ret;
|
|
+
|
|
+ init_completion(&ctx->completion);
|
|
+ atomic_inc(&ctx->configuring);
|
|
+
|
|
+ reset_sa_dir(&ctx->encrypt);
|
|
+ reset_sa_dir(&ctx->decrypt);
|
|
+
|
|
+ ctx->encrypt.npe_mode = NPE_OP_HMAC_DISABLE;
|
|
+ ctx->decrypt.npe_mode = NPE_OP_HMAC_DISABLE;
|
|
+
|
|
+ ret = setup_cipher(&tfm->base, 0, key, key_len);
|
|
+ if (ret)
|
|
+ goto out;
|
|
+ ret = setup_cipher(&tfm->base, 1, key, key_len);
|
|
+ if (ret)
|
|
+ goto out;
|
|
+
|
|
+ if (*flags & CRYPTO_TFM_RES_WEAK_KEY) {
|
|
+ if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) {
|
|
+ ret = -EINVAL;
|
|
+ } else {
|
|
+ *flags &= ~CRYPTO_TFM_RES_WEAK_KEY;
|
|
+ }
|
|
+ }
|
|
+out:
|
|
+ if (!atomic_dec_and_test(&ctx->configuring))
|
|
+ wait_for_completion(&ctx->completion);
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int ablk_rfc3686_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
|
|
+ unsigned int key_len)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
|
|
+
|
|
+ /* the nonce is stored in bytes at end of key */
|
|
+ if (key_len < CTR_RFC3686_NONCE_SIZE)
|
|
+ return -EINVAL;
|
|
+
|
|
+ memcpy(ctx->nonce, key + (key_len - CTR_RFC3686_NONCE_SIZE),
|
|
+ CTR_RFC3686_NONCE_SIZE);
|
|
+
|
|
+ key_len -= CTR_RFC3686_NONCE_SIZE;
|
|
+ return ablk_setkey(tfm, key, key_len);
|
|
+}
|
|
+
|
|
+static int ablk_perform(struct ablkcipher_request *req, int encrypt)
|
|
+{
|
|
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
|
|
+ struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
|
|
+ unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
|
|
+ int ret = -ENOMEM;
|
|
+ struct ix_sa_dir *dir;
|
|
+ struct crypt_ctl *crypt;
|
|
+ unsigned int nbytes = req->nbytes, nents;
|
|
+ enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
|
|
+ struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
|
|
+ gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
|
|
+ GFP_KERNEL : GFP_ATOMIC;
|
|
+
|
|
+ if (qmgr_stat_full(SEND_QID))
|
|
+ return -EAGAIN;
|
|
+ if (atomic_read(&ctx->configuring))
|
|
+ return -EAGAIN;
|
|
+
|
|
+ dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
|
|
+
|
|
+ crypt = get_crypt_desc();
|
|
+ if (!crypt)
|
|
+ return ret;
|
|
+
|
|
+ crypt->data.ablk_req = req;
|
|
+ crypt->crypto_ctx = dir->npe_ctx_phys;
|
|
+ crypt->mode = dir->npe_mode;
|
|
+ crypt->init_len = dir->npe_ctx_idx;
|
|
+
|
|
+ crypt->crypt_offs = 0;
|
|
+ crypt->crypt_len = nbytes;
|
|
+
|
|
+ BUG_ON(ivsize && !req->info);
|
|
+ memcpy(crypt->iv, req->info, ivsize);
|
|
+ if (req->src != req->dst) {
|
|
+ crypt->mode |= NPE_OP_NOT_IN_PLACE;
|
|
+ nents = count_sg(req->dst, nbytes);
|
|
+ /* This was never tested by Intel
|
|
+ * for more than one dst buffer, I think. */
|
|
+ BUG_ON(nents != 1);
|
|
+ req_ctx->dst_nents = nents;
|
|
+ dma_map_sg(dev, req->dst, nents, DMA_FROM_DEVICE);
|
|
+ req_ctx->dst = dma_pool_alloc(buffer_pool, flags,&crypt->dst_buf);
|
|
+ if (!req_ctx->dst)
|
|
+ goto unmap_sg_dest;
|
|
+ req_ctx->dst->phys_addr = 0;
|
|
+ if (!chainup_buffers(req->dst, nbytes, req_ctx->dst, flags))
|
|
+ goto free_buf_dest;
|
|
+ src_direction = DMA_TO_DEVICE;
|
|
+ } else {
|
|
+ req_ctx->dst = NULL;
|
|
+ req_ctx->dst_nents = 0;
|
|
+ }
|
|
+ nents = count_sg(req->src, nbytes);
|
|
+ req_ctx->src_nents = nents;
|
|
+ dma_map_sg(dev, req->src, nents, src_direction);
|
|
+
|
|
+ req_ctx->src = dma_pool_alloc(buffer_pool, flags, &crypt->src_buf);
|
|
+ if (!req_ctx->src)
|
|
+ goto unmap_sg_src;
|
|
+ req_ctx->src->phys_addr = 0;
|
|
+ if (!chainup_buffers(req->src, nbytes, req_ctx->src, flags))
|
|
+ goto free_buf_src;
|
|
+
|
|
+ crypt->ctl_flags |= CTL_FLAG_PERFORM_ABLK;
|
|
+ qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
|
|
+ BUG_ON(qmgr_stat_overflow(SEND_QID));
|
|
+ return -EINPROGRESS;
|
|
+
|
|
+free_buf_src:
|
|
+ free_buf_chain(req_ctx->src, crypt->src_buf);
|
|
+unmap_sg_src:
|
|
+ dma_unmap_sg(dev, req->src, req_ctx->src_nents, src_direction);
|
|
+free_buf_dest:
|
|
+ if (req->src != req->dst) {
|
|
+ free_buf_chain(req_ctx->dst, crypt->dst_buf);
|
|
+unmap_sg_dest:
|
|
+ dma_unmap_sg(dev, req->src, req_ctx->dst_nents,
|
|
+ DMA_FROM_DEVICE);
|
|
+ }
|
|
+ crypt->ctl_flags = CTL_FLAG_UNUSED;
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int ablk_encrypt(struct ablkcipher_request *req)
|
|
+{
|
|
+ return ablk_perform(req, 1);
|
|
+}
|
|
+
|
|
+static int ablk_decrypt(struct ablkcipher_request *req)
|
|
+{
|
|
+ return ablk_perform(req, 0);
|
|
+}
|
|
+
|
|
+static int ablk_rfc3686_crypt(struct ablkcipher_request *req)
|
|
+{
|
|
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
|
|
+ struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
|
|
+ u8 iv[CTR_RFC3686_BLOCK_SIZE];
|
|
+ u8 *info = req->info;
|
|
+ int ret;
|
|
+
|
|
+ /* set up counter block */
|
|
+ memcpy(iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE);
|
|
+ memcpy(iv + CTR_RFC3686_NONCE_SIZE, info, CTR_RFC3686_IV_SIZE);
|
|
+
|
|
+ /* initialize counter portion of counter block */
|
|
+ *(__be32 *)(iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) =
|
|
+ cpu_to_be32(1);
|
|
+
|
|
+ req->info = iv;
|
|
+ ret = ablk_perform(req, 1);
|
|
+ req->info = info;
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int hmac_inconsistent(struct scatterlist *sg, unsigned start,
|
|
+ unsigned int nbytes)
|
|
+{
|
|
+ int offset = 0;
|
|
+
|
|
+ if (!nbytes)
|
|
+ return 0;
|
|
+
|
|
+ for (;;) {
|
|
+ if (start < offset + sg->length)
|
|
+ break;
|
|
+
|
|
+ offset += sg->length;
|
|
+ sg = sg_next(sg);
|
|
+ }
|
|
+ return (start + nbytes > offset + sg->length);
|
|
+}
|
|
+
|
|
+static int aead_perform(struct aead_request *req, int encrypt,
|
|
+ int cryptoffset, int eff_cryptlen, u8 *iv)
|
|
+{
|
|
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
|
+ struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
|
|
+ unsigned ivsize = crypto_aead_ivsize(tfm);
|
|
+ unsigned authsize = crypto_aead_authsize(tfm);
|
|
+ int ret = -ENOMEM;
|
|
+ struct ix_sa_dir *dir;
|
|
+ struct crypt_ctl *crypt;
|
|
+ unsigned int cryptlen, nents;
|
|
+ struct buffer_desc *buf;
|
|
+ struct aead_ctx *req_ctx = aead_request_ctx(req);
|
|
+ gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
|
|
+ GFP_KERNEL : GFP_ATOMIC;
|
|
+
|
|
+ if (qmgr_stat_full(SEND_QID))
|
|
+ return -EAGAIN;
|
|
+ if (atomic_read(&ctx->configuring))
|
|
+ return -EAGAIN;
|
|
+
|
|
+ if (encrypt) {
|
|
+ dir = &ctx->encrypt;
|
|
+ cryptlen = req->cryptlen;
|
|
+ } else {
|
|
+ dir = &ctx->decrypt;
|
|
+ /* req->cryptlen includes the authsize when decrypting */
|
|
+ cryptlen = req->cryptlen -authsize;
|
|
+ eff_cryptlen -= authsize;
|
|
+ }
|
|
+ crypt = get_crypt_desc();
|
|
+ if (!crypt)
|
|
+ return ret;
|
|
+
|
|
+ crypt->data.aead_req = req;
|
|
+ crypt->crypto_ctx = dir->npe_ctx_phys;
|
|
+ crypt->mode = dir->npe_mode;
|
|
+ crypt->init_len = dir->npe_ctx_idx;
|
|
+
|
|
+ crypt->crypt_offs = cryptoffset;
|
|
+ crypt->crypt_len = eff_cryptlen;
|
|
+
|
|
+ crypt->auth_offs = 0;
|
|
+ crypt->auth_len = req->assoclen + ivsize + cryptlen;
|
|
+ BUG_ON(ivsize && !req->iv);
|
|
+ memcpy(crypt->iv, req->iv, ivsize);
|
|
+
|
|
+ if (req->src != req->dst) {
|
|
+ BUG(); /* -ENOTSUP because of my lazyness */
|
|
+ }
|
|
+
|
|
+ req_ctx->buffer = dma_pool_alloc(buffer_pool, flags, &crypt->src_buf);
|
|
+ if (!req_ctx->buffer)
|
|
+ goto out;
|
|
+ req_ctx->buffer->phys_addr = 0;
|
|
+ /* ASSOC data */
|
|
+ nents = count_sg(req->assoc, req->assoclen);
|
|
+ req_ctx->assoc_nents = nents;
|
|
+ dma_map_sg(dev, req->assoc, nents, DMA_TO_DEVICE);
|
|
+ buf = chainup_buffers(req->assoc, req->assoclen, req_ctx->buffer,flags);
|
|
+ if (!buf)
|
|
+ goto unmap_sg_assoc;
|
|
+ /* IV */
|
|
+ sg_init_table(&req_ctx->ivlist, 1);
|
|
+ sg_set_buf(&req_ctx->ivlist, iv, ivsize);
|
|
+ dma_map_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
|
|
+ buf = chainup_buffers(&req_ctx->ivlist, ivsize, buf, flags);
|
|
+ if (!buf)
|
|
+ goto unmap_sg_iv;
|
|
+ if (unlikely(hmac_inconsistent(req->src, cryptlen, authsize))) {
|
|
+ /* The 12 hmac bytes are scattered,
|
|
+ * we need to copy them into a safe buffer */
|
|
+ req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags,
|
|
+ &crypt->icv_rev_aes);
|
|
+ if (unlikely(!req_ctx->hmac_virt))
|
|
+ goto unmap_sg_iv;
|
|
+ if (!encrypt) {
|
|
+ scatterwalk_map_and_copy(req_ctx->hmac_virt,
|
|
+ req->src, cryptlen, authsize, 0);
|
|
+ }
|
|
+ req_ctx->encrypt = encrypt;
|
|
+ } else {
|
|
+ req_ctx->hmac_virt = NULL;
|
|
+ }
|
|
+ /* Crypt */
|
|
+ nents = count_sg(req->src, cryptlen + authsize);
|
|
+ req_ctx->src_nents = nents;
|
|
+ dma_map_sg(dev, req->src, nents, DMA_BIDIRECTIONAL);
|
|
+ buf = chainup_buffers(req->src, cryptlen + authsize, buf, flags);
|
|
+ if (!buf)
|
|
+ goto unmap_sg_src;
|
|
+ if (!req_ctx->hmac_virt) {
|
|
+ crypt->icv_rev_aes = buf->phys_addr + buf->buf_len - authsize;
|
|
+ }
|
|
+ crypt->ctl_flags |= CTL_FLAG_PERFORM_AEAD;
|
|
+ qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
|
|
+ BUG_ON(qmgr_stat_overflow(SEND_QID));
|
|
+ return -EINPROGRESS;
|
|
+unmap_sg_src:
|
|
+ dma_unmap_sg(dev, req->src, req_ctx->src_nents, DMA_BIDIRECTIONAL);
|
|
+ if (req_ctx->hmac_virt) {
|
|
+ dma_pool_free(buffer_pool, req_ctx->hmac_virt,
|
|
+ crypt->icv_rev_aes);
|
|
+ }
|
|
+unmap_sg_iv:
|
|
+ dma_unmap_sg(dev, &req_ctx->ivlist, 1, DMA_BIDIRECTIONAL);
|
|
+unmap_sg_assoc:
|
|
+ dma_unmap_sg(dev, req->assoc, req_ctx->assoc_nents, DMA_TO_DEVICE);
|
|
+ free_buf_chain(req_ctx->buffer, crypt->src_buf);
|
|
+out:
|
|
+ crypt->ctl_flags = CTL_FLAG_UNUSED;
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int aead_setup(struct crypto_aead *tfm, unsigned int authsize)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
|
|
+ u32 *flags = &tfm->base.crt_flags;
|
|
+ unsigned digest_len = crypto_aead_alg(tfm)->maxauthsize;
|
|
+ int ret;
|
|
+
|
|
+ if (!ctx->enckey_len && !ctx->authkey_len)
|
|
+ return 0;
|
|
+ init_completion(&ctx->completion);
|
|
+ atomic_inc(&ctx->configuring);
|
|
+
|
|
+ reset_sa_dir(&ctx->encrypt);
|
|
+ reset_sa_dir(&ctx->decrypt);
|
|
+
|
|
+ ret = setup_cipher(&tfm->base, 0, ctx->enckey, ctx->enckey_len);
|
|
+ if (ret)
|
|
+ goto out;
|
|
+ ret = setup_cipher(&tfm->base, 1, ctx->enckey, ctx->enckey_len);
|
|
+ if (ret)
|
|
+ goto out;
|
|
+ ret = setup_auth(&tfm->base, 0, authsize, ctx->authkey,
|
|
+ ctx->authkey_len, digest_len);
|
|
+ if (ret)
|
|
+ goto out;
|
|
+ ret = setup_auth(&tfm->base, 1, authsize, ctx->authkey,
|
|
+ ctx->authkey_len, digest_len);
|
|
+ if (ret)
|
|
+ goto out;
|
|
+
|
|
+ if (*flags & CRYPTO_TFM_RES_WEAK_KEY) {
|
|
+ if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) {
|
|
+ ret = -EINVAL;
|
|
+ goto out;
|
|
+ } else {
|
|
+ *flags &= ~CRYPTO_TFM_RES_WEAK_KEY;
|
|
+ }
|
|
+ }
|
|
+out:
|
|
+ if (!atomic_dec_and_test(&ctx->configuring))
|
|
+ wait_for_completion(&ctx->completion);
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
|
|
+{
|
|
+ int max = crypto_aead_alg(tfm)->maxauthsize >> 2;
|
|
+
|
|
+ if ((authsize>>2) < 1 || (authsize>>2) > max || (authsize & 3))
|
|
+ return -EINVAL;
|
|
+ return aead_setup(tfm, authsize);
|
|
+}
|
|
+
|
|
+static int aead_setkey(struct crypto_aead *tfm, const u8 *key,
|
|
+ unsigned int keylen)
|
|
+{
|
|
+ struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
|
|
+ struct rtattr *rta = (struct rtattr *)key;
|
|
+ struct crypto_authenc_key_param *param;
|
|
+
|
|
+ if (!RTA_OK(rta, keylen))
|
|
+ goto badkey;
|
|
+ if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
|
|
+ goto badkey;
|
|
+ if (RTA_PAYLOAD(rta) < sizeof(*param))
|
|
+ goto badkey;
|
|
+
|
|
+ param = RTA_DATA(rta);
|
|
+ ctx->enckey_len = be32_to_cpu(param->enckeylen);
|
|
+
|
|
+ key += RTA_ALIGN(rta->rta_len);
|
|
+ keylen -= RTA_ALIGN(rta->rta_len);
|
|
+
|
|
+ if (keylen < ctx->enckey_len)
|
|
+ goto badkey;
|
|
+
|
|
+ ctx->authkey_len = keylen - ctx->enckey_len;
|
|
+ memcpy(ctx->enckey, key + ctx->authkey_len, ctx->enckey_len);
|
|
+ memcpy(ctx->authkey, key, ctx->authkey_len);
|
|
+
|
|
+ return aead_setup(tfm, crypto_aead_authsize(tfm));
|
|
+badkey:
|
|
+ ctx->enckey_len = 0;
|
|
+ crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
+ return -EINVAL;
|
|
+}
|
|
+
|
|
+static int aead_encrypt(struct aead_request *req)
|
|
+{
|
|
+ unsigned ivsize = crypto_aead_ivsize(crypto_aead_reqtfm(req));
|
|
+ return aead_perform(req, 1, req->assoclen + ivsize,
|
|
+ req->cryptlen, req->iv);
|
|
+}
|
|
+
|
|
+static int aead_decrypt(struct aead_request *req)
|
|
+{
|
|
+ unsigned ivsize = crypto_aead_ivsize(crypto_aead_reqtfm(req));
|
|
+ return aead_perform(req, 0, req->assoclen + ivsize,
|
|
+ req->cryptlen, req->iv);
|
|
+}
|
|
+
|
|
+static int aead_givencrypt(struct aead_givcrypt_request *req)
|
|
+{
|
|
+ struct crypto_aead *tfm = aead_givcrypt_reqtfm(req);
|
|
+ struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
|
|
+ unsigned len, ivsize = crypto_aead_ivsize(tfm);
|
|
+ __be64 seq;
|
|
+
|
|
+ /* copied from eseqiv.c */
|
|
+ if (!ctx->salted) {
|
|
+ get_random_bytes(ctx->salt, ivsize);
|
|
+ ctx->salted = 1;
|
|
+ }
|
|
+ memcpy(req->areq.iv, ctx->salt, ivsize);
|
|
+ len = ivsize;
|
|
+ if (ivsize > sizeof(u64)) {
|
|
+ memset(req->giv, 0, ivsize - sizeof(u64));
|
|
+ len = sizeof(u64);
|
|
+ }
|
|
+ seq = cpu_to_be64(req->seq);
|
|
+ memcpy(req->giv + ivsize - len, &seq, len);
|
|
+ return aead_perform(&req->areq, 1, req->areq.assoclen,
|
|
+ req->areq.cryptlen +ivsize, req->giv);
|
|
+}
|
|
+
|
|
+static struct ixp_alg ixp4xx_algos[] = {
|
|
+{
|
|
+ .crypto = {
|
|
+ .cra_name = "cbc(des)",
|
|
+ .cra_blocksize = DES_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = DES_KEY_SIZE,
|
|
+ .max_keysize = DES_KEY_SIZE,
|
|
+ .ivsize = DES_BLOCK_SIZE,
|
|
+ .geniv = "eseqiv",
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
|
|
+
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "ecb(des)",
|
|
+ .cra_blocksize = DES_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = DES_KEY_SIZE,
|
|
+ .max_keysize = DES_KEY_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_DES | MOD_ECB | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_DES | MOD_ECB | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "cbc(des3_ede)",
|
|
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = DES3_EDE_KEY_SIZE,
|
|
+ .max_keysize = DES3_EDE_KEY_SIZE,
|
|
+ .ivsize = DES3_EDE_BLOCK_SIZE,
|
|
+ .geniv = "eseqiv",
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "ecb(des3_ede)",
|
|
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = DES3_EDE_KEY_SIZE,
|
|
+ .max_keysize = DES3_EDE_KEY_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_ECB | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_3DES | MOD_ECB | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "cbc(aes)",
|
|
+ .cra_blocksize = AES_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = AES_MIN_KEY_SIZE,
|
|
+ .max_keysize = AES_MAX_KEY_SIZE,
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .geniv = "eseqiv",
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
|
|
+ .cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "ecb(aes)",
|
|
+ .cra_blocksize = AES_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = AES_MIN_KEY_SIZE,
|
|
+ .max_keysize = AES_MAX_KEY_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_AES | MOD_ECB,
|
|
+ .cfg_dec = CIPH_DECR | MOD_AES | MOD_ECB,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "ctr(aes)",
|
|
+ .cra_blocksize = AES_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = AES_MIN_KEY_SIZE,
|
|
+ .max_keysize = AES_MAX_KEY_SIZE,
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .geniv = "eseqiv",
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CTR,
|
|
+ .cfg_dec = CIPH_ENCR | MOD_AES | MOD_CTR,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "rfc3686(ctr(aes))",
|
|
+ .cra_blocksize = AES_BLOCK_SIZE,
|
|
+ .cra_u = { .ablkcipher = {
|
|
+ .min_keysize = AES_MIN_KEY_SIZE,
|
|
+ .max_keysize = AES_MAX_KEY_SIZE,
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .geniv = "eseqiv",
|
|
+ .setkey = ablk_rfc3686_setkey,
|
|
+ .encrypt = ablk_rfc3686_crypt,
|
|
+ .decrypt = ablk_rfc3686_crypt }
|
|
+ }
|
|
+ },
|
|
+ .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CTR,
|
|
+ .cfg_dec = CIPH_ENCR | MOD_AES | MOD_CTR,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "authenc(hmac(md5),cbc(des))",
|
|
+ .cra_blocksize = DES_BLOCK_SIZE,
|
|
+ .cra_u = { .aead = {
|
|
+ .ivsize = DES_BLOCK_SIZE,
|
|
+ .maxauthsize = MD5_DIGEST_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .hash = &hash_alg_md5,
|
|
+ .cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
|
|
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .cra_u = { .aead = {
|
|
+ .ivsize = DES3_EDE_BLOCK_SIZE,
|
|
+ .maxauthsize = MD5_DIGEST_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .hash = &hash_alg_md5,
|
|
+ .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "authenc(hmac(sha1),cbc(des))",
|
|
+ .cra_blocksize = DES_BLOCK_SIZE,
|
|
+ .cra_u = { .aead = {
|
|
+ .ivsize = DES_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA1_DIGEST_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .hash = &hash_alg_sha1,
|
|
+ .cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
|
|
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .cra_u = { .aead = {
|
|
+ .ivsize = DES3_EDE_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA1_DIGEST_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .hash = &hash_alg_sha1,
|
|
+ .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
|
|
+ .cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "authenc(hmac(md5),cbc(aes))",
|
|
+ .cra_blocksize = AES_BLOCK_SIZE,
|
|
+ .cra_u = { .aead = {
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .maxauthsize = MD5_DIGEST_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .hash = &hash_alg_md5,
|
|
+ .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
|
|
+ .cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
|
|
+}, {
|
|
+ .crypto = {
|
|
+ .cra_name = "authenc(hmac(sha1),cbc(aes))",
|
|
+ .cra_blocksize = AES_BLOCK_SIZE,
|
|
+ .cra_u = { .aead = {
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA1_DIGEST_SIZE,
|
|
+ }
|
|
+ }
|
|
+ },
|
|
+ .hash = &hash_alg_sha1,
|
|
+ .cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
|
|
+ .cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
|
|
+} };
|
|
+
|
|
+#define IXP_POSTFIX "-ixp4xx"
|
|
+static int __init ixp_module_init(void)
|
|
+{
|
|
+ int num = ARRAY_SIZE(ixp4xx_algos);
|
|
+ int i,err ;
|
|
+
|
|
+ if (platform_device_register(&pseudo_dev))
|
|
+ return -ENODEV;
|
|
+
|
|
+ spin_lock_init(&desc_lock);
|
|
+ spin_lock_init(&emerg_lock);
|
|
+
|
|
+ err = init_ixp_crypto();
|
|
+ if (err) {
|
|
+ platform_device_unregister(&pseudo_dev);
|
|
+ return err;
|
|
+ }
|
|
+ for (i=0; i< num; i++) {
|
|
+ struct crypto_alg *cra = &ixp4xx_algos[i].crypto;
|
|
+
|
|
+ if (snprintf(cra->cra_driver_name, CRYPTO_MAX_ALG_NAME,
|
|
+ "%s"IXP_POSTFIX, cra->cra_name) >=
|
|
+ CRYPTO_MAX_ALG_NAME)
|
|
+ {
|
|
+ continue;
|
|
+ }
|
|
+ if (!support_aes && (ixp4xx_algos[i].cfg_enc & MOD_AES)) {
|
|
+ continue;
|
|
+ }
|
|
+ if (!ixp4xx_algos[i].hash) {
|
|
+ /* block ciphers */
|
|
+ cra->cra_type = &crypto_ablkcipher_type;
|
|
+ cra->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
|
|
+ CRYPTO_ALG_ASYNC;
|
|
+ if (!cra->cra_ablkcipher.setkey)
|
|
+ cra->cra_ablkcipher.setkey = ablk_setkey;
|
|
+ if (!cra->cra_ablkcipher.encrypt)
|
|
+ cra->cra_ablkcipher.encrypt = ablk_encrypt;
|
|
+ if (!cra->cra_ablkcipher.decrypt)
|
|
+ cra->cra_ablkcipher.decrypt = ablk_decrypt;
|
|
+ cra->cra_init = init_tfm_ablk;
|
|
+ } else {
|
|
+ /* authenc */
|
|
+ cra->cra_type = &crypto_aead_type;
|
|
+ cra->cra_flags = CRYPTO_ALG_TYPE_AEAD |
|
|
+ CRYPTO_ALG_ASYNC;
|
|
+ cra->cra_aead.setkey = aead_setkey;
|
|
+ cra->cra_aead.setauthsize = aead_setauthsize;
|
|
+ cra->cra_aead.encrypt = aead_encrypt;
|
|
+ cra->cra_aead.decrypt = aead_decrypt;
|
|
+ cra->cra_aead.givencrypt = aead_givencrypt;
|
|
+ cra->cra_init = init_tfm_aead;
|
|
+ }
|
|
+ cra->cra_ctxsize = sizeof(struct ixp_ctx);
|
|
+ cra->cra_module = THIS_MODULE;
|
|
+ cra->cra_alignmask = 3;
|
|
+ cra->cra_priority = 300;
|
|
+ cra->cra_exit = exit_tfm;
|
|
+ if (crypto_register_alg(cra))
|
|
+ printk(KERN_ERR "Failed to register '%s'\n",
|
|
+ cra->cra_name);
|
|
+ else
|
|
+ ixp4xx_algos[i].registered = 1;
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void __exit ixp_module_exit(void)
|
|
+{
|
|
+ int num = ARRAY_SIZE(ixp4xx_algos);
|
|
+ int i;
|
|
+
|
|
+ for (i=0; i< num; i++) {
|
|
+ if (ixp4xx_algos[i].registered)
|
|
+ crypto_unregister_alg(&ixp4xx_algos[i].crypto);
|
|
+ }
|
|
+ release_ixp_crypto();
|
|
+ platform_device_unregister(&pseudo_dev);
|
|
+}
|
|
+
|
|
+module_init(ixp_module_init);
|
|
+module_exit(ixp_module_exit);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_AUTHOR("Christian Hohnstaedt <chohnstaedt@innominate.com>");
|
|
+MODULE_DESCRIPTION("IXP4xx hardware crypto");
|
|
+
|
|
--- a/drivers/crypto/padlock-aes.c
|
|
+++ b/drivers/crypto/padlock-aes.c
|
|
@@ -385,12 +385,12 @@
|
|
int ret;
|
|
|
|
if (!cpu_has_xcrypt) {
|
|
- printk(KERN_ERR PFX "VIA PadLock not detected.\n");
|
|
+ printk(KERN_NOTICE PFX "VIA PadLock not detected.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (!cpu_has_xcrypt_enabled) {
|
|
- printk(KERN_ERR PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
|
|
+ printk(KERN_NOTICE PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
--- a/drivers/crypto/padlock-sha.c
|
|
+++ b/drivers/crypto/padlock-sha.c
|
|
@@ -254,12 +254,12 @@
|
|
int rc = -ENODEV;
|
|
|
|
if (!cpu_has_phe) {
|
|
- printk(KERN_ERR PFX "VIA PadLock Hash Engine not detected.\n");
|
|
+ printk(KERN_NOTICE PFX "VIA PadLock Hash Engine not detected.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (!cpu_has_phe_enabled) {
|
|
- printk(KERN_ERR PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
|
|
+ printk(KERN_NOTICE PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
--- /dev/null
|
|
+++ b/drivers/crypto/talitos.c
|
|
@@ -0,0 +1,1597 @@
|
|
+/*
|
|
+ * talitos - Freescale Integrated Security Engine (SEC) device driver
|
|
+ *
|
|
+ * Copyright (c) 2008 Freescale Semiconductor, Inc.
|
|
+ *
|
|
+ * Scatterlist Crypto API glue code copied from files with the following:
|
|
+ * Copyright (c) 2006-2007 Herbert Xu <herbert@gondor.apana.org.au>
|
|
+ *
|
|
+ * Crypto algorithm registration code copied from hifn driver:
|
|
+ * 2007+ Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
|
|
+ * All rights reserved.
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/mod_devicetable.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/hw_random.h>
|
|
+#include <linux/of_platform.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/io.h>
|
|
+#include <linux/spinlock.h>
|
|
+#include <linux/rtnetlink.h>
|
|
+
|
|
+#include <crypto/algapi.h>
|
|
+#include <crypto/aes.h>
|
|
+#include <crypto/des.h>
|
|
+#include <crypto/sha.h>
|
|
+#include <crypto/aead.h>
|
|
+#include <crypto/authenc.h>
|
|
+
|
|
+#include "talitos.h"
|
|
+
|
|
+#define TALITOS_TIMEOUT 100000
|
|
+#define TALITOS_MAX_DATA_LEN 65535
|
|
+
|
|
+#define DESC_TYPE(desc_hdr) ((be32_to_cpu(desc_hdr) >> 3) & 0x1f)
|
|
+#define PRIMARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 28) & 0xf)
|
|
+#define SECONDARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 16) & 0xf)
|
|
+
|
|
+/* descriptor pointer entry */
|
|
+struct talitos_ptr {
|
|
+ __be16 len; /* length */
|
|
+ u8 j_extent; /* jump to sg link table and/or extent */
|
|
+ u8 eptr; /* extended address */
|
|
+ __be32 ptr; /* address */
|
|
+};
|
|
+
|
|
+/* descriptor */
|
|
+struct talitos_desc {
|
|
+ __be32 hdr; /* header high bits */
|
|
+ __be32 hdr_lo; /* header low bits */
|
|
+ struct talitos_ptr ptr[7]; /* ptr/len pair array */
|
|
+};
|
|
+
|
|
+/**
|
|
+ * talitos_request - descriptor submission request
|
|
+ * @desc: descriptor pointer (kernel virtual)
|
|
+ * @dma_desc: descriptor's physical bus address
|
|
+ * @callback: whom to call when descriptor processing is done
|
|
+ * @context: caller context (optional)
|
|
+ */
|
|
+struct talitos_request {
|
|
+ struct talitos_desc *desc;
|
|
+ dma_addr_t dma_desc;
|
|
+ void (*callback) (struct device *dev, struct talitos_desc *desc,
|
|
+ void *context, int error);
|
|
+ void *context;
|
|
+};
|
|
+
|
|
+struct talitos_private {
|
|
+ struct device *dev;
|
|
+ struct of_device *ofdev;
|
|
+ void __iomem *reg;
|
|
+ int irq;
|
|
+
|
|
+ /* SEC version geometry (from device tree node) */
|
|
+ unsigned int num_channels;
|
|
+ unsigned int chfifo_len;
|
|
+ unsigned int exec_units;
|
|
+ unsigned int desc_types;
|
|
+
|
|
+ /* next channel to be assigned next incoming descriptor */
|
|
+ atomic_t last_chan;
|
|
+
|
|
+ /* per-channel request fifo */
|
|
+ struct talitos_request **fifo;
|
|
+
|
|
+ /*
|
|
+ * length of the request fifo
|
|
+ * fifo_len is chfifo_len rounded up to next power of 2
|
|
+ * so we can use bitwise ops to wrap
|
|
+ */
|
|
+ unsigned int fifo_len;
|
|
+
|
|
+ /* per-channel index to next free descriptor request */
|
|
+ int *head;
|
|
+
|
|
+ /* per-channel index to next in-progress/done descriptor request */
|
|
+ int *tail;
|
|
+
|
|
+ /* per-channel request submission (head) and release (tail) locks */
|
|
+ spinlock_t *head_lock;
|
|
+ spinlock_t *tail_lock;
|
|
+
|
|
+ /* request callback tasklet */
|
|
+ struct tasklet_struct done_task;
|
|
+ struct tasklet_struct error_task;
|
|
+
|
|
+ /* list of registered algorithms */
|
|
+ struct list_head alg_list;
|
|
+
|
|
+ /* hwrng device */
|
|
+ struct hwrng rng;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * map virtual single (contiguous) pointer to h/w descriptor pointer
|
|
+ */
|
|
+static void map_single_talitos_ptr(struct device *dev,
|
|
+ struct talitos_ptr *talitos_ptr,
|
|
+ unsigned short len, void *data,
|
|
+ unsigned char extent,
|
|
+ enum dma_data_direction dir)
|
|
+{
|
|
+ talitos_ptr->len = cpu_to_be16(len);
|
|
+ talitos_ptr->ptr = cpu_to_be32(dma_map_single(dev, data, len, dir));
|
|
+ talitos_ptr->j_extent = extent;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * unmap bus single (contiguous) h/w descriptor pointer
|
|
+ */
|
|
+static void unmap_single_talitos_ptr(struct device *dev,
|
|
+ struct talitos_ptr *talitos_ptr,
|
|
+ enum dma_data_direction dir)
|
|
+{
|
|
+ dma_unmap_single(dev, be32_to_cpu(talitos_ptr->ptr),
|
|
+ be16_to_cpu(talitos_ptr->len), dir);
|
|
+}
|
|
+
|
|
+static int reset_channel(struct device *dev, int ch)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ unsigned int timeout = TALITOS_TIMEOUT;
|
|
+
|
|
+ setbits32(priv->reg + TALITOS_CCCR(ch), TALITOS_CCCR_RESET);
|
|
+
|
|
+ while ((in_be32(priv->reg + TALITOS_CCCR(ch)) & TALITOS_CCCR_RESET)
|
|
+ && --timeout)
|
|
+ cpu_relax();
|
|
+
|
|
+ if (timeout == 0) {
|
|
+ dev_err(dev, "failed to reset channel %d\n", ch);
|
|
+ return -EIO;
|
|
+ }
|
|
+
|
|
+ /* set done writeback and IRQ */
|
|
+ setbits32(priv->reg + TALITOS_CCCR_LO(ch), TALITOS_CCCR_LO_CDWE |
|
|
+ TALITOS_CCCR_LO_CDIE);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int reset_device(struct device *dev)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ unsigned int timeout = TALITOS_TIMEOUT;
|
|
+
|
|
+ setbits32(priv->reg + TALITOS_MCR, TALITOS_MCR_SWR);
|
|
+
|
|
+ while ((in_be32(priv->reg + TALITOS_MCR) & TALITOS_MCR_SWR)
|
|
+ && --timeout)
|
|
+ cpu_relax();
|
|
+
|
|
+ if (timeout == 0) {
|
|
+ dev_err(dev, "failed to reset device\n");
|
|
+ return -EIO;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Reset and initialize the device
|
|
+ */
|
|
+static int init_device(struct device *dev)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ int ch, err;
|
|
+
|
|
+ /*
|
|
+ * Master reset
|
|
+ * errata documentation: warning: certain SEC interrupts
|
|
+ * are not fully cleared by writing the MCR:SWR bit,
|
|
+ * set bit twice to completely reset
|
|
+ */
|
|
+ err = reset_device(dev);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ err = reset_device(dev);
|
|
+ if (err)
|
|
+ return err;
|
|
+
|
|
+ /* reset channels */
|
|
+ for (ch = 0; ch < priv->num_channels; ch++) {
|
|
+ err = reset_channel(dev, ch);
|
|
+ if (err)
|
|
+ return err;
|
|
+ }
|
|
+
|
|
+ /* enable channel done and error interrupts */
|
|
+ setbits32(priv->reg + TALITOS_IMR, TALITOS_IMR_INIT);
|
|
+ setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * talitos_submit - submits a descriptor to the device for processing
|
|
+ * @dev: the SEC device to be used
|
|
+ * @desc: the descriptor to be processed by the device
|
|
+ * @callback: whom to call when processing is complete
|
|
+ * @context: a handle for use by caller (optional)
|
|
+ *
|
|
+ * desc must contain valid dma-mapped (bus physical) address pointers.
|
|
+ * callback must check err and feedback in descriptor header
|
|
+ * for device processing status.
|
|
+ */
|
|
+static int talitos_submit(struct device *dev, struct talitos_desc *desc,
|
|
+ void (*callback)(struct device *dev,
|
|
+ struct talitos_desc *desc,
|
|
+ void *context, int error),
|
|
+ void *context)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ struct talitos_request *request;
|
|
+ unsigned long flags, ch;
|
|
+ int head;
|
|
+
|
|
+ /* select done notification */
|
|
+ desc->hdr |= DESC_HDR_DONE_NOTIFY;
|
|
+
|
|
+ /* emulate SEC's round-robin channel fifo polling scheme */
|
|
+ ch = atomic_inc_return(&priv->last_chan) & (priv->num_channels - 1);
|
|
+
|
|
+ spin_lock_irqsave(&priv->head_lock[ch], flags);
|
|
+
|
|
+ head = priv->head[ch];
|
|
+ request = &priv->fifo[ch][head];
|
|
+
|
|
+ if (request->desc) {
|
|
+ /* request queue is full */
|
|
+ spin_unlock_irqrestore(&priv->head_lock[ch], flags);
|
|
+ return -EAGAIN;
|
|
+ }
|
|
+
|
|
+ /* map descriptor and save caller data */
|
|
+ request->dma_desc = dma_map_single(dev, desc, sizeof(*desc),
|
|
+ DMA_BIDIRECTIONAL);
|
|
+ request->callback = callback;
|
|
+ request->context = context;
|
|
+
|
|
+ /* increment fifo head */
|
|
+ priv->head[ch] = (priv->head[ch] + 1) & (priv->fifo_len - 1);
|
|
+
|
|
+ smp_wmb();
|
|
+ request->desc = desc;
|
|
+
|
|
+ /* GO! */
|
|
+ wmb();
|
|
+ out_be32(priv->reg + TALITOS_FF_LO(ch), request->dma_desc);
|
|
+
|
|
+ spin_unlock_irqrestore(&priv->head_lock[ch], flags);
|
|
+
|
|
+ return -EINPROGRESS;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * process what was done, notify callback of error if not
|
|
+ */
|
|
+static void flush_channel(struct device *dev, int ch, int error, int reset_ch)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ struct talitos_request *request, saved_req;
|
|
+ unsigned long flags;
|
|
+ int tail, status;
|
|
+
|
|
+ spin_lock_irqsave(&priv->tail_lock[ch], flags);
|
|
+
|
|
+ tail = priv->tail[ch];
|
|
+ while (priv->fifo[ch][tail].desc) {
|
|
+ request = &priv->fifo[ch][tail];
|
|
+
|
|
+ /* descriptors with their done bits set don't get the error */
|
|
+ rmb();
|
|
+ if ((request->desc->hdr & DESC_HDR_DONE) == DESC_HDR_DONE)
|
|
+ status = 0;
|
|
+ else
|
|
+ if (!error)
|
|
+ break;
|
|
+ else
|
|
+ status = error;
|
|
+
|
|
+ dma_unmap_single(dev, request->dma_desc,
|
|
+ sizeof(struct talitos_desc), DMA_BIDIRECTIONAL);
|
|
+
|
|
+ /* copy entries so we can call callback outside lock */
|
|
+ saved_req.desc = request->desc;
|
|
+ saved_req.callback = request->callback;
|
|
+ saved_req.context = request->context;
|
|
+
|
|
+ /* release request entry in fifo */
|
|
+ smp_wmb();
|
|
+ request->desc = NULL;
|
|
+
|
|
+ /* increment fifo tail */
|
|
+ priv->tail[ch] = (tail + 1) & (priv->fifo_len - 1);
|
|
+
|
|
+ spin_unlock_irqrestore(&priv->tail_lock[ch], flags);
|
|
+ saved_req.callback(dev, saved_req.desc, saved_req.context,
|
|
+ status);
|
|
+ /* channel may resume processing in single desc error case */
|
|
+ if (error && !reset_ch && status == error)
|
|
+ return;
|
|
+ spin_lock_irqsave(&priv->tail_lock[ch], flags);
|
|
+ tail = priv->tail[ch];
|
|
+ }
|
|
+
|
|
+ spin_unlock_irqrestore(&priv->tail_lock[ch], flags);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * process completed requests for channels that have done status
|
|
+ */
|
|
+static void talitos_done(unsigned long data)
|
|
+{
|
|
+ struct device *dev = (struct device *)data;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ int ch;
|
|
+
|
|
+ for (ch = 0; ch < priv->num_channels; ch++)
|
|
+ flush_channel(dev, ch, 0, 0);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * locate current (offending) descriptor
|
|
+ */
|
|
+static struct talitos_desc *current_desc(struct device *dev, int ch)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ int tail = priv->tail[ch];
|
|
+ dma_addr_t cur_desc;
|
|
+
|
|
+ cur_desc = in_be32(priv->reg + TALITOS_CDPR_LO(ch));
|
|
+
|
|
+ while (priv->fifo[ch][tail].dma_desc != cur_desc) {
|
|
+ tail = (tail + 1) & (priv->fifo_len - 1);
|
|
+ if (tail == priv->tail[ch]) {
|
|
+ dev_err(dev, "couldn't locate current descriptor\n");
|
|
+ return NULL;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return priv->fifo[ch][tail].desc;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * user diagnostics; report root cause of error based on execution unit status
|
|
+ */
|
|
+static void report_eu_error(struct device *dev, int ch, struct talitos_desc *desc)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ int i;
|
|
+
|
|
+ switch (desc->hdr & DESC_HDR_SEL0_MASK) {
|
|
+ case DESC_HDR_SEL0_AFEU:
|
|
+ dev_err(dev, "AFEUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_AFEUISR),
|
|
+ in_be32(priv->reg + TALITOS_AFEUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_DEU:
|
|
+ dev_err(dev, "DEUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_DEUISR),
|
|
+ in_be32(priv->reg + TALITOS_DEUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_MDEUA:
|
|
+ case DESC_HDR_SEL0_MDEUB:
|
|
+ dev_err(dev, "MDEUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_MDEUISR),
|
|
+ in_be32(priv->reg + TALITOS_MDEUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_RNG:
|
|
+ dev_err(dev, "RNGUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_RNGUISR),
|
|
+ in_be32(priv->reg + TALITOS_RNGUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_PKEU:
|
|
+ dev_err(dev, "PKEUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_PKEUISR),
|
|
+ in_be32(priv->reg + TALITOS_PKEUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_AESU:
|
|
+ dev_err(dev, "AESUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_AESUISR),
|
|
+ in_be32(priv->reg + TALITOS_AESUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_CRCU:
|
|
+ dev_err(dev, "CRCUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_CRCUISR),
|
|
+ in_be32(priv->reg + TALITOS_CRCUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL0_KEU:
|
|
+ dev_err(dev, "KEUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_KEUISR),
|
|
+ in_be32(priv->reg + TALITOS_KEUISR_LO));
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ switch (desc->hdr & DESC_HDR_SEL1_MASK) {
|
|
+ case DESC_HDR_SEL1_MDEUA:
|
|
+ case DESC_HDR_SEL1_MDEUB:
|
|
+ dev_err(dev, "MDEUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_MDEUISR),
|
|
+ in_be32(priv->reg + TALITOS_MDEUISR_LO));
|
|
+ break;
|
|
+ case DESC_HDR_SEL1_CRCU:
|
|
+ dev_err(dev, "CRCUISR 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_CRCUISR),
|
|
+ in_be32(priv->reg + TALITOS_CRCUISR_LO));
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < 8; i++)
|
|
+ dev_err(dev, "DESCBUF 0x%08x_%08x\n",
|
|
+ in_be32(priv->reg + TALITOS_DESCBUF(ch) + 8*i),
|
|
+ in_be32(priv->reg + TALITOS_DESCBUF_LO(ch) + 8*i));
|
|
+}
|
|
+
|
|
+/*
|
|
+ * recover from error interrupts
|
|
+ */
|
|
+static void talitos_error(unsigned long data)
|
|
+{
|
|
+ struct device *dev = (struct device *)data;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ unsigned int timeout = TALITOS_TIMEOUT;
|
|
+ int ch, error, reset_dev = 0, reset_ch = 0;
|
|
+ u32 isr, isr_lo, v, v_lo;
|
|
+
|
|
+ isr = in_be32(priv->reg + TALITOS_ISR);
|
|
+ isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);
|
|
+
|
|
+ for (ch = 0; ch < priv->num_channels; ch++) {
|
|
+ /* skip channels without errors */
|
|
+ if (!(isr & (1 << (ch * 2 + 1))))
|
|
+ continue;
|
|
+
|
|
+ error = -EINVAL;
|
|
+
|
|
+ v = in_be32(priv->reg + TALITOS_CCPSR(ch));
|
|
+ v_lo = in_be32(priv->reg + TALITOS_CCPSR_LO(ch));
|
|
+
|
|
+ if (v_lo & TALITOS_CCPSR_LO_DOF) {
|
|
+ dev_err(dev, "double fetch fifo overflow error\n");
|
|
+ error = -EAGAIN;
|
|
+ reset_ch = 1;
|
|
+ }
|
|
+ if (v_lo & TALITOS_CCPSR_LO_SOF) {
|
|
+ /* h/w dropped descriptor */
|
|
+ dev_err(dev, "single fetch fifo overflow error\n");
|
|
+ error = -EAGAIN;
|
|
+ }
|
|
+ if (v_lo & TALITOS_CCPSR_LO_MDTE)
|
|
+ dev_err(dev, "master data transfer error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_SGDLZ)
|
|
+ dev_err(dev, "s/g data length zero error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_FPZ)
|
|
+ dev_err(dev, "fetch pointer zero error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_IDH)
|
|
+ dev_err(dev, "illegal descriptor header error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_IEU)
|
|
+ dev_err(dev, "invalid execution unit error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_EU)
|
|
+ report_eu_error(dev, ch, current_desc(dev, ch));
|
|
+ if (v_lo & TALITOS_CCPSR_LO_GB)
|
|
+ dev_err(dev, "gather boundary error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_GRL)
|
|
+ dev_err(dev, "gather return/length error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_SB)
|
|
+ dev_err(dev, "scatter boundary error\n");
|
|
+ if (v_lo & TALITOS_CCPSR_LO_SRL)
|
|
+ dev_err(dev, "scatter return/length error\n");
|
|
+
|
|
+ flush_channel(dev, ch, error, reset_ch);
|
|
+
|
|
+ if (reset_ch) {
|
|
+ reset_channel(dev, ch);
|
|
+ } else {
|
|
+ setbits32(priv->reg + TALITOS_CCCR(ch),
|
|
+ TALITOS_CCCR_CONT);
|
|
+ setbits32(priv->reg + TALITOS_CCCR_LO(ch), 0);
|
|
+ while ((in_be32(priv->reg + TALITOS_CCCR(ch)) &
|
|
+ TALITOS_CCCR_CONT) && --timeout)
|
|
+ cpu_relax();
|
|
+ if (timeout == 0) {
|
|
+ dev_err(dev, "failed to restart channel %d\n",
|
|
+ ch);
|
|
+ reset_dev = 1;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ if (reset_dev || isr & ~TALITOS_ISR_CHERR || isr_lo) {
|
|
+ dev_err(dev, "done overflow, internal time out, or rngu error: "
|
|
+ "ISR 0x%08x_%08x\n", isr, isr_lo);
|
|
+
|
|
+ /* purge request queues */
|
|
+ for (ch = 0; ch < priv->num_channels; ch++)
|
|
+ flush_channel(dev, ch, -EIO, 1);
|
|
+
|
|
+ /* reset and reinitialize the device */
|
|
+ init_device(dev);
|
|
+ }
|
|
+}
|
|
+
|
|
+static irqreturn_t talitos_interrupt(int irq, void *data)
|
|
+{
|
|
+ struct device *dev = data;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ u32 isr, isr_lo;
|
|
+
|
|
+ isr = in_be32(priv->reg + TALITOS_ISR);
|
|
+ isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);
|
|
+
|
|
+ /* ack */
|
|
+ out_be32(priv->reg + TALITOS_ICR, isr);
|
|
+ out_be32(priv->reg + TALITOS_ICR_LO, isr_lo);
|
|
+
|
|
+ if (unlikely((isr & ~TALITOS_ISR_CHDONE) || isr_lo))
|
|
+ talitos_error((unsigned long)data);
|
|
+ else
|
|
+ if (likely(isr & TALITOS_ISR_CHDONE))
|
|
+ tasklet_schedule(&priv->done_task);
|
|
+
|
|
+ return (isr || isr_lo) ? IRQ_HANDLED : IRQ_NONE;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * hwrng
|
|
+ */
|
|
+static int talitos_rng_data_present(struct hwrng *rng, int wait)
|
|
+{
|
|
+ struct device *dev = (struct device *)rng->priv;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ u32 ofl;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < 20; i++) {
|
|
+ ofl = in_be32(priv->reg + TALITOS_RNGUSR_LO) &
|
|
+ TALITOS_RNGUSR_LO_OFL;
|
|
+ if (ofl || !wait)
|
|
+ break;
|
|
+ udelay(10);
|
|
+ }
|
|
+
|
|
+ return !!ofl;
|
|
+}
|
|
+
|
|
+static int talitos_rng_data_read(struct hwrng *rng, u32 *data)
|
|
+{
|
|
+ struct device *dev = (struct device *)rng->priv;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+
|
|
+ /* rng fifo requires 64-bit accesses */
|
|
+ *data = in_be32(priv->reg + TALITOS_RNGU_FIFO);
|
|
+ *data = in_be32(priv->reg + TALITOS_RNGU_FIFO_LO);
|
|
+
|
|
+ return sizeof(u32);
|
|
+}
|
|
+
|
|
+static int talitos_rng_init(struct hwrng *rng)
|
|
+{
|
|
+ struct device *dev = (struct device *)rng->priv;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ unsigned int timeout = TALITOS_TIMEOUT;
|
|
+
|
|
+ setbits32(priv->reg + TALITOS_RNGURCR_LO, TALITOS_RNGURCR_LO_SR);
|
|
+ while (!(in_be32(priv->reg + TALITOS_RNGUSR_LO) & TALITOS_RNGUSR_LO_RD)
|
|
+ && --timeout)
|
|
+ cpu_relax();
|
|
+ if (timeout == 0) {
|
|
+ dev_err(dev, "failed to reset rng hw\n");
|
|
+ return -ENODEV;
|
|
+ }
|
|
+
|
|
+ /* start generating */
|
|
+ setbits32(priv->reg + TALITOS_RNGUDSR_LO, 0);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int talitos_register_rng(struct device *dev)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+
|
|
+ priv->rng.name = dev_driver_string(dev),
|
|
+ priv->rng.init = talitos_rng_init,
|
|
+ priv->rng.data_present = talitos_rng_data_present,
|
|
+ priv->rng.data_read = talitos_rng_data_read,
|
|
+ priv->rng.priv = (unsigned long)dev;
|
|
+
|
|
+ return hwrng_register(&priv->rng);
|
|
+}
|
|
+
|
|
+static void talitos_unregister_rng(struct device *dev)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+
|
|
+ hwrng_unregister(&priv->rng);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * crypto alg
|
|
+ */
|
|
+#define TALITOS_CRA_PRIORITY 3000
|
|
+#define TALITOS_MAX_KEY_SIZE 64
|
|
+#define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
|
|
+
|
|
+#define MD5_DIGEST_SIZE 16
|
|
+
|
|
+struct talitos_ctx {
|
|
+ struct device *dev;
|
|
+ __be32 desc_hdr_template;
|
|
+ u8 key[TALITOS_MAX_KEY_SIZE];
|
|
+ u8 iv[TALITOS_MAX_IV_LENGTH];
|
|
+ unsigned int keylen;
|
|
+ unsigned int enckeylen;
|
|
+ unsigned int authkeylen;
|
|
+ unsigned int authsize;
|
|
+};
|
|
+
|
|
+static int aead_authenc_setauthsize(struct crypto_aead *authenc,
|
|
+ unsigned int authsize)
|
|
+{
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+
|
|
+ ctx->authsize = authsize;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int aead_authenc_setkey(struct crypto_aead *authenc,
|
|
+ const u8 *key, unsigned int keylen)
|
|
+{
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ struct rtattr *rta = (void *)key;
|
|
+ struct crypto_authenc_key_param *param;
|
|
+ unsigned int authkeylen;
|
|
+ unsigned int enckeylen;
|
|
+
|
|
+ if (!RTA_OK(rta, keylen))
|
|
+ goto badkey;
|
|
+
|
|
+ if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
|
|
+ goto badkey;
|
|
+
|
|
+ if (RTA_PAYLOAD(rta) < sizeof(*param))
|
|
+ goto badkey;
|
|
+
|
|
+ param = RTA_DATA(rta);
|
|
+ enckeylen = be32_to_cpu(param->enckeylen);
|
|
+
|
|
+ key += RTA_ALIGN(rta->rta_len);
|
|
+ keylen -= RTA_ALIGN(rta->rta_len);
|
|
+
|
|
+ if (keylen < enckeylen)
|
|
+ goto badkey;
|
|
+
|
|
+ authkeylen = keylen - enckeylen;
|
|
+
|
|
+ if (keylen > TALITOS_MAX_KEY_SIZE)
|
|
+ goto badkey;
|
|
+
|
|
+ memcpy(&ctx->key, key, keylen);
|
|
+
|
|
+ ctx->keylen = keylen;
|
|
+ ctx->enckeylen = enckeylen;
|
|
+ ctx->authkeylen = authkeylen;
|
|
+
|
|
+ return 0;
|
|
+
|
|
+badkey:
|
|
+ crypto_aead_set_flags(authenc, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
+ return -EINVAL;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * ipsec_esp_edesc - s/w-extended ipsec_esp descriptor
|
|
+ * @src_nents: number of segments in input scatterlist
|
|
+ * @dst_nents: number of segments in output scatterlist
|
|
+ * @dma_len: length of dma mapped link_tbl space
|
|
+ * @dma_link_tbl: bus physical address of link_tbl
|
|
+ * @desc: h/w descriptor
|
|
+ * @link_tbl: input and output h/w link tables (if {src,dst}_nents > 1)
|
|
+ *
|
|
+ * if decrypting (with authcheck), or either one of src_nents or dst_nents
|
|
+ * is greater than 1, an integrity check value is concatenated to the end
|
|
+ * of link_tbl data
|
|
+ */
|
|
+struct ipsec_esp_edesc {
|
|
+ int src_nents;
|
|
+ int dst_nents;
|
|
+ int dma_len;
|
|
+ dma_addr_t dma_link_tbl;
|
|
+ struct talitos_desc desc;
|
|
+ struct talitos_ptr link_tbl[0];
|
|
+};
|
|
+
|
|
+static void ipsec_esp_unmap(struct device *dev,
|
|
+ struct ipsec_esp_edesc *edesc,
|
|
+ struct aead_request *areq)
|
|
+{
|
|
+ unmap_single_talitos_ptr(dev, &edesc->desc.ptr[6], DMA_FROM_DEVICE);
|
|
+ unmap_single_talitos_ptr(dev, &edesc->desc.ptr[3], DMA_TO_DEVICE);
|
|
+ unmap_single_talitos_ptr(dev, &edesc->desc.ptr[2], DMA_TO_DEVICE);
|
|
+ unmap_single_talitos_ptr(dev, &edesc->desc.ptr[0], DMA_TO_DEVICE);
|
|
+
|
|
+ dma_unmap_sg(dev, areq->assoc, 1, DMA_TO_DEVICE);
|
|
+
|
|
+ if (areq->src != areq->dst) {
|
|
+ dma_unmap_sg(dev, areq->src, edesc->src_nents ? : 1,
|
|
+ DMA_TO_DEVICE);
|
|
+ dma_unmap_sg(dev, areq->dst, edesc->dst_nents ? : 1,
|
|
+ DMA_FROM_DEVICE);
|
|
+ } else {
|
|
+ dma_unmap_sg(dev, areq->src, edesc->src_nents ? : 1,
|
|
+ DMA_BIDIRECTIONAL);
|
|
+ }
|
|
+
|
|
+ if (edesc->dma_len)
|
|
+ dma_unmap_single(dev, edesc->dma_link_tbl, edesc->dma_len,
|
|
+ DMA_BIDIRECTIONAL);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * ipsec_esp descriptor callbacks
|
|
+ */
|
|
+static void ipsec_esp_encrypt_done(struct device *dev,
|
|
+ struct talitos_desc *desc, void *context,
|
|
+ int err)
|
|
+{
|
|
+ struct aead_request *areq = context;
|
|
+ struct ipsec_esp_edesc *edesc =
|
|
+ container_of(desc, struct ipsec_esp_edesc, desc);
|
|
+ struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ struct scatterlist *sg;
|
|
+ void *icvdata;
|
|
+
|
|
+ ipsec_esp_unmap(dev, edesc, areq);
|
|
+
|
|
+ /* copy the generated ICV to dst */
|
|
+ if (edesc->dma_len) {
|
|
+ icvdata = &edesc->link_tbl[edesc->src_nents +
|
|
+ edesc->dst_nents + 1];
|
|
+ sg = sg_last(areq->dst, edesc->dst_nents);
|
|
+ memcpy((char *)sg_virt(sg) + sg->length - ctx->authsize,
|
|
+ icvdata, ctx->authsize);
|
|
+ }
|
|
+
|
|
+ kfree(edesc);
|
|
+
|
|
+ aead_request_complete(areq, err);
|
|
+}
|
|
+
|
|
+static void ipsec_esp_decrypt_done(struct device *dev,
|
|
+ struct talitos_desc *desc, void *context,
|
|
+ int err)
|
|
+{
|
|
+ struct aead_request *req = context;
|
|
+ struct ipsec_esp_edesc *edesc =
|
|
+ container_of(desc, struct ipsec_esp_edesc, desc);
|
|
+ struct crypto_aead *authenc = crypto_aead_reqtfm(req);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ struct scatterlist *sg;
|
|
+ void *icvdata;
|
|
+
|
|
+ ipsec_esp_unmap(dev, edesc, req);
|
|
+
|
|
+ if (!err) {
|
|
+ /* auth check */
|
|
+ if (edesc->dma_len)
|
|
+ icvdata = &edesc->link_tbl[edesc->src_nents +
|
|
+ edesc->dst_nents + 1];
|
|
+ else
|
|
+ icvdata = &edesc->link_tbl[0];
|
|
+
|
|
+ sg = sg_last(req->dst, edesc->dst_nents ? : 1);
|
|
+ err = memcmp(icvdata, (char *)sg_virt(sg) + sg->length -
|
|
+ ctx->authsize, ctx->authsize) ? -EBADMSG : 0;
|
|
+ }
|
|
+
|
|
+ kfree(edesc);
|
|
+
|
|
+ aead_request_complete(req, err);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * convert scatterlist to SEC h/w link table format
|
|
+ * stop at cryptlen bytes
|
|
+ */
|
|
+static int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
|
|
+ int cryptlen, struct talitos_ptr *link_tbl_ptr)
|
|
+{
|
|
+ int n_sg = sg_count;
|
|
+
|
|
+ while (n_sg--) {
|
|
+ link_tbl_ptr->ptr = cpu_to_be32(sg_dma_address(sg));
|
|
+ link_tbl_ptr->len = cpu_to_be16(sg_dma_len(sg));
|
|
+ link_tbl_ptr->j_extent = 0;
|
|
+ link_tbl_ptr++;
|
|
+ cryptlen -= sg_dma_len(sg);
|
|
+ sg = sg_next(sg);
|
|
+ }
|
|
+
|
|
+ /* adjust (decrease) last one (or two) entry's len to cryptlen */
|
|
+ link_tbl_ptr--;
|
|
+ while (link_tbl_ptr->len <= (-cryptlen)) {
|
|
+ /* Empty this entry, and move to previous one */
|
|
+ cryptlen += be16_to_cpu(link_tbl_ptr->len);
|
|
+ link_tbl_ptr->len = 0;
|
|
+ sg_count--;
|
|
+ link_tbl_ptr--;
|
|
+ }
|
|
+ link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len)
|
|
+ + cryptlen);
|
|
+
|
|
+ /* tag end of link table */
|
|
+ link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;
|
|
+
|
|
+ return sg_count;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * fill in and submit ipsec_esp descriptor
|
|
+ */
|
|
+static int ipsec_esp(struct ipsec_esp_edesc *edesc, struct aead_request *areq,
|
|
+ u8 *giv, u64 seq,
|
|
+ void (*callback) (struct device *dev,
|
|
+ struct talitos_desc *desc,
|
|
+ void *context, int error))
|
|
+{
|
|
+ struct crypto_aead *aead = crypto_aead_reqtfm(areq);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(aead);
|
|
+ struct device *dev = ctx->dev;
|
|
+ struct talitos_desc *desc = &edesc->desc;
|
|
+ unsigned int cryptlen = areq->cryptlen;
|
|
+ unsigned int authsize = ctx->authsize;
|
|
+ unsigned int ivsize;
|
|
+ int sg_count;
|
|
+
|
|
+ /* hmac key */
|
|
+ map_single_talitos_ptr(dev, &desc->ptr[0], ctx->authkeylen, &ctx->key,
|
|
+ 0, DMA_TO_DEVICE);
|
|
+ /* hmac data */
|
|
+ map_single_talitos_ptr(dev, &desc->ptr[1], sg_virt(areq->src) -
|
|
+ sg_virt(areq->assoc), sg_virt(areq->assoc), 0,
|
|
+ DMA_TO_DEVICE);
|
|
+ /* cipher iv */
|
|
+ ivsize = crypto_aead_ivsize(aead);
|
|
+ map_single_talitos_ptr(dev, &desc->ptr[2], ivsize, giv ?: areq->iv, 0,
|
|
+ DMA_TO_DEVICE);
|
|
+
|
|
+ /* cipher key */
|
|
+ map_single_talitos_ptr(dev, &desc->ptr[3], ctx->enckeylen,
|
|
+ (char *)&ctx->key + ctx->authkeylen, 0,
|
|
+ DMA_TO_DEVICE);
|
|
+
|
|
+ /*
|
|
+ * cipher in
|
|
+ * map and adjust cipher len to aead request cryptlen.
|
|
+ * extent is bytes of HMAC postpended to ciphertext,
|
|
+ * typically 12 for ipsec
|
|
+ */
|
|
+ desc->ptr[4].len = cpu_to_be16(cryptlen);
|
|
+ desc->ptr[4].j_extent = authsize;
|
|
+
|
|
+ if (areq->src == areq->dst)
|
|
+ sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ? : 1,
|
|
+ DMA_BIDIRECTIONAL);
|
|
+ else
|
|
+ sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ? : 1,
|
|
+ DMA_TO_DEVICE);
|
|
+
|
|
+ if (sg_count == 1) {
|
|
+ desc->ptr[4].ptr = cpu_to_be32(sg_dma_address(areq->src));
|
|
+ } else {
|
|
+ sg_count = sg_to_link_tbl(areq->src, sg_count, cryptlen,
|
|
+ &edesc->link_tbl[0]);
|
|
+ if (sg_count > 1) {
|
|
+ desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP;
|
|
+ desc->ptr[4].ptr = cpu_to_be32(edesc->dma_link_tbl);
|
|
+ dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl,
|
|
+ edesc->dma_len, DMA_BIDIRECTIONAL);
|
|
+ } else {
|
|
+ /* Only one segment now, so no link tbl needed */
|
|
+ desc->ptr[4].ptr = cpu_to_be32(sg_dma_address(areq->src));
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* cipher out */
|
|
+ desc->ptr[5].len = cpu_to_be16(cryptlen);
|
|
+ desc->ptr[5].j_extent = authsize;
|
|
+
|
|
+ if (areq->src != areq->dst) {
|
|
+ sg_count = dma_map_sg(dev, areq->dst, edesc->dst_nents ? : 1,
|
|
+ DMA_FROM_DEVICE);
|
|
+ }
|
|
+
|
|
+ if (sg_count == 1) {
|
|
+ desc->ptr[5].ptr = cpu_to_be32(sg_dma_address(areq->dst));
|
|
+ } else {
|
|
+ struct talitos_ptr *link_tbl_ptr =
|
|
+ &edesc->link_tbl[edesc->src_nents];
|
|
+ struct scatterlist *sg;
|
|
+
|
|
+ desc->ptr[5].ptr = cpu_to_be32((struct talitos_ptr *)
|
|
+ edesc->dma_link_tbl +
|
|
+ edesc->src_nents);
|
|
+ if (areq->src == areq->dst) {
|
|
+ memcpy(link_tbl_ptr, &edesc->link_tbl[0],
|
|
+ edesc->src_nents * sizeof(struct talitos_ptr));
|
|
+ } else {
|
|
+ sg_count = sg_to_link_tbl(areq->dst, sg_count, cryptlen,
|
|
+ link_tbl_ptr);
|
|
+ }
|
|
+ link_tbl_ptr += sg_count - 1;
|
|
+
|
|
+ /* handle case where sg_last contains the ICV exclusively */
|
|
+ sg = sg_last(areq->dst, edesc->dst_nents);
|
|
+ if (sg->length == ctx->authsize)
|
|
+ link_tbl_ptr--;
|
|
+
|
|
+ link_tbl_ptr->j_extent = 0;
|
|
+ link_tbl_ptr++;
|
|
+ link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;
|
|
+ link_tbl_ptr->len = cpu_to_be16(authsize);
|
|
+
|
|
+ /* icv data follows link tables */
|
|
+ link_tbl_ptr->ptr = cpu_to_be32((struct talitos_ptr *)
|
|
+ edesc->dma_link_tbl +
|
|
+ edesc->src_nents +
|
|
+ edesc->dst_nents + 1);
|
|
+
|
|
+ desc->ptr[5].j_extent |= DESC_PTR_LNKTBL_JUMP;
|
|
+ dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl,
|
|
+ edesc->dma_len, DMA_BIDIRECTIONAL);
|
|
+ }
|
|
+
|
|
+ /* iv out */
|
|
+ map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, 0,
|
|
+ DMA_FROM_DEVICE);
|
|
+
|
|
+ return talitos_submit(dev, desc, callback, areq);
|
|
+}
|
|
+
|
|
+
|
|
+/*
|
|
+ * derive number of elements in scatterlist
|
|
+ */
|
|
+static int sg_count(struct scatterlist *sg_list, int nbytes)
|
|
+{
|
|
+ struct scatterlist *sg = sg_list;
|
|
+ int sg_nents = 0;
|
|
+
|
|
+ while (nbytes) {
|
|
+ sg_nents++;
|
|
+ nbytes -= sg->length;
|
|
+ sg = sg_next(sg);
|
|
+ }
|
|
+
|
|
+ return sg_nents;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * allocate and map the ipsec_esp extended descriptor
|
|
+ */
|
|
+static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
|
|
+ int icv_stashing)
|
|
+{
|
|
+ struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ struct ipsec_esp_edesc *edesc;
|
|
+ int src_nents, dst_nents, alloc_len, dma_len;
|
|
+
|
|
+ if (areq->cryptlen + ctx->authsize > TALITOS_MAX_DATA_LEN) {
|
|
+ dev_err(ctx->dev, "cryptlen exceeds h/w max limit\n");
|
|
+ return ERR_PTR(-EINVAL);
|
|
+ }
|
|
+
|
|
+ src_nents = sg_count(areq->src, areq->cryptlen + ctx->authsize);
|
|
+ src_nents = (src_nents == 1) ? 0 : src_nents;
|
|
+
|
|
+ if (areq->dst == areq->src) {
|
|
+ dst_nents = src_nents;
|
|
+ } else {
|
|
+ dst_nents = sg_count(areq->dst, areq->cryptlen + ctx->authsize);
|
|
+ dst_nents = (dst_nents == 1) ? 0 : src_nents;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * allocate space for base edesc plus the link tables,
|
|
+ * allowing for a separate entry for the generated ICV (+ 1),
|
|
+ * and the ICV data itself
|
|
+ */
|
|
+ alloc_len = sizeof(struct ipsec_esp_edesc);
|
|
+ if (src_nents || dst_nents) {
|
|
+ dma_len = (src_nents + dst_nents + 1) *
|
|
+ sizeof(struct talitos_ptr) + ctx->authsize;
|
|
+ alloc_len += dma_len;
|
|
+ } else {
|
|
+ dma_len = 0;
|
|
+ alloc_len += icv_stashing ? ctx->authsize : 0;
|
|
+ }
|
|
+
|
|
+ edesc = kmalloc(alloc_len, GFP_DMA);
|
|
+ if (!edesc) {
|
|
+ dev_err(ctx->dev, "could not allocate edescriptor\n");
|
|
+ return ERR_PTR(-ENOMEM);
|
|
+ }
|
|
+
|
|
+ edesc->src_nents = src_nents;
|
|
+ edesc->dst_nents = dst_nents;
|
|
+ edesc->dma_len = dma_len;
|
|
+ edesc->dma_link_tbl = dma_map_single(ctx->dev, &edesc->link_tbl[0],
|
|
+ edesc->dma_len, DMA_BIDIRECTIONAL);
|
|
+
|
|
+ return edesc;
|
|
+}
|
|
+
|
|
+static int aead_authenc_encrypt(struct aead_request *req)
|
|
+{
|
|
+ struct crypto_aead *authenc = crypto_aead_reqtfm(req);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ struct ipsec_esp_edesc *edesc;
|
|
+
|
|
+ /* allocate extended descriptor */
|
|
+ edesc = ipsec_esp_edesc_alloc(req, 0);
|
|
+ if (IS_ERR(edesc))
|
|
+ return PTR_ERR(edesc);
|
|
+
|
|
+ /* set encrypt */
|
|
+ edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT;
|
|
+
|
|
+ return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_encrypt_done);
|
|
+}
|
|
+
|
|
+static int aead_authenc_decrypt(struct aead_request *req)
|
|
+{
|
|
+ struct crypto_aead *authenc = crypto_aead_reqtfm(req);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ unsigned int authsize = ctx->authsize;
|
|
+ struct ipsec_esp_edesc *edesc;
|
|
+ struct scatterlist *sg;
|
|
+ void *icvdata;
|
|
+
|
|
+ req->cryptlen -= authsize;
|
|
+
|
|
+ /* allocate extended descriptor */
|
|
+ edesc = ipsec_esp_edesc_alloc(req, 1);
|
|
+ if (IS_ERR(edesc))
|
|
+ return PTR_ERR(edesc);
|
|
+
|
|
+ /* stash incoming ICV for later cmp with ICV generated by the h/w */
|
|
+ if (edesc->dma_len)
|
|
+ icvdata = &edesc->link_tbl[edesc->src_nents +
|
|
+ edesc->dst_nents + 1];
|
|
+ else
|
|
+ icvdata = &edesc->link_tbl[0];
|
|
+
|
|
+ sg = sg_last(req->src, edesc->src_nents ? : 1);
|
|
+
|
|
+ memcpy(icvdata, (char *)sg_virt(sg) + sg->length - ctx->authsize,
|
|
+ ctx->authsize);
|
|
+
|
|
+ /* decrypt */
|
|
+ edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND;
|
|
+
|
|
+ return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_decrypt_done);
|
|
+}
|
|
+
|
|
+static int aead_authenc_givencrypt(
|
|
+ struct aead_givcrypt_request *req)
|
|
+{
|
|
+ struct aead_request *areq = &req->areq;
|
|
+ struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
|
|
+ struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
|
|
+ struct ipsec_esp_edesc *edesc;
|
|
+
|
|
+ /* allocate extended descriptor */
|
|
+ edesc = ipsec_esp_edesc_alloc(areq, 0);
|
|
+ if (IS_ERR(edesc))
|
|
+ return PTR_ERR(edesc);
|
|
+
|
|
+ /* set encrypt */
|
|
+ edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT;
|
|
+
|
|
+ memcpy(req->giv, ctx->iv, crypto_aead_ivsize(authenc));
|
|
+
|
|
+ return ipsec_esp(edesc, areq, req->giv, req->seq,
|
|
+ ipsec_esp_encrypt_done);
|
|
+}
|
|
+
|
|
+struct talitos_alg_template {
|
|
+ char name[CRYPTO_MAX_ALG_NAME];
|
|
+ char driver_name[CRYPTO_MAX_ALG_NAME];
|
|
+ unsigned int blocksize;
|
|
+ struct aead_alg aead;
|
|
+ struct device *dev;
|
|
+ __be32 desc_hdr_template;
|
|
+};
|
|
+
|
|
+static struct talitos_alg_template driver_algs[] = {
|
|
+ /* single-pass ipsec_esp descriptor */
|
|
+ {
|
|
+ .name = "authenc(hmac(sha1),cbc(aes))",
|
|
+ .driver_name = "authenc-hmac-sha1-cbc-aes-talitos",
|
|
+ .blocksize = AES_BLOCK_SIZE,
|
|
+ .aead = {
|
|
+ .setkey = aead_authenc_setkey,
|
|
+ .setauthsize = aead_authenc_setauthsize,
|
|
+ .encrypt = aead_authenc_encrypt,
|
|
+ .decrypt = aead_authenc_decrypt,
|
|
+ .givencrypt = aead_authenc_givencrypt,
|
|
+ .geniv = "<built-in>",
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA1_DIGEST_SIZE,
|
|
+ },
|
|
+ .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
|
|
+ DESC_HDR_SEL0_AESU |
|
|
+ DESC_HDR_MODE0_AESU_CBC |
|
|
+ DESC_HDR_SEL1_MDEUA |
|
|
+ DESC_HDR_MODE1_MDEU_INIT |
|
|
+ DESC_HDR_MODE1_MDEU_PAD |
|
|
+ DESC_HDR_MODE1_MDEU_SHA1_HMAC,
|
|
+ },
|
|
+ {
|
|
+ .name = "authenc(hmac(sha1),cbc(des3_ede))",
|
|
+ .driver_name = "authenc-hmac-sha1-cbc-3des-talitos",
|
|
+ .blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .aead = {
|
|
+ .setkey = aead_authenc_setkey,
|
|
+ .setauthsize = aead_authenc_setauthsize,
|
|
+ .encrypt = aead_authenc_encrypt,
|
|
+ .decrypt = aead_authenc_decrypt,
|
|
+ .givencrypt = aead_authenc_givencrypt,
|
|
+ .geniv = "<built-in>",
|
|
+ .ivsize = DES3_EDE_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA1_DIGEST_SIZE,
|
|
+ },
|
|
+ .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
|
|
+ DESC_HDR_SEL0_DEU |
|
|
+ DESC_HDR_MODE0_DEU_CBC |
|
|
+ DESC_HDR_MODE0_DEU_3DES |
|
|
+ DESC_HDR_SEL1_MDEUA |
|
|
+ DESC_HDR_MODE1_MDEU_INIT |
|
|
+ DESC_HDR_MODE1_MDEU_PAD |
|
|
+ DESC_HDR_MODE1_MDEU_SHA1_HMAC,
|
|
+ },
|
|
+ {
|
|
+ .name = "authenc(hmac(sha256),cbc(aes))",
|
|
+ .driver_name = "authenc-hmac-sha256-cbc-aes-talitos",
|
|
+ .blocksize = AES_BLOCK_SIZE,
|
|
+ .aead = {
|
|
+ .setkey = aead_authenc_setkey,
|
|
+ .setauthsize = aead_authenc_setauthsize,
|
|
+ .encrypt = aead_authenc_encrypt,
|
|
+ .decrypt = aead_authenc_decrypt,
|
|
+ .givencrypt = aead_authenc_givencrypt,
|
|
+ .geniv = "<built-in>",
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA256_DIGEST_SIZE,
|
|
+ },
|
|
+ .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
|
|
+ DESC_HDR_SEL0_AESU |
|
|
+ DESC_HDR_MODE0_AESU_CBC |
|
|
+ DESC_HDR_SEL1_MDEUA |
|
|
+ DESC_HDR_MODE1_MDEU_INIT |
|
|
+ DESC_HDR_MODE1_MDEU_PAD |
|
|
+ DESC_HDR_MODE1_MDEU_SHA256_HMAC,
|
|
+ },
|
|
+ {
|
|
+ .name = "authenc(hmac(sha256),cbc(des3_ede))",
|
|
+ .driver_name = "authenc-hmac-sha256-cbc-3des-talitos",
|
|
+ .blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .aead = {
|
|
+ .setkey = aead_authenc_setkey,
|
|
+ .setauthsize = aead_authenc_setauthsize,
|
|
+ .encrypt = aead_authenc_encrypt,
|
|
+ .decrypt = aead_authenc_decrypt,
|
|
+ .givencrypt = aead_authenc_givencrypt,
|
|
+ .geniv = "<built-in>",
|
|
+ .ivsize = DES3_EDE_BLOCK_SIZE,
|
|
+ .maxauthsize = SHA256_DIGEST_SIZE,
|
|
+ },
|
|
+ .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
|
|
+ DESC_HDR_SEL0_DEU |
|
|
+ DESC_HDR_MODE0_DEU_CBC |
|
|
+ DESC_HDR_MODE0_DEU_3DES |
|
|
+ DESC_HDR_SEL1_MDEUA |
|
|
+ DESC_HDR_MODE1_MDEU_INIT |
|
|
+ DESC_HDR_MODE1_MDEU_PAD |
|
|
+ DESC_HDR_MODE1_MDEU_SHA256_HMAC,
|
|
+ },
|
|
+ {
|
|
+ .name = "authenc(hmac(md5),cbc(aes))",
|
|
+ .driver_name = "authenc-hmac-md5-cbc-aes-talitos",
|
|
+ .blocksize = AES_BLOCK_SIZE,
|
|
+ .aead = {
|
|
+ .setkey = aead_authenc_setkey,
|
|
+ .setauthsize = aead_authenc_setauthsize,
|
|
+ .encrypt = aead_authenc_encrypt,
|
|
+ .decrypt = aead_authenc_decrypt,
|
|
+ .givencrypt = aead_authenc_givencrypt,
|
|
+ .geniv = "<built-in>",
|
|
+ .ivsize = AES_BLOCK_SIZE,
|
|
+ .maxauthsize = MD5_DIGEST_SIZE,
|
|
+ },
|
|
+ .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
|
|
+ DESC_HDR_SEL0_AESU |
|
|
+ DESC_HDR_MODE0_AESU_CBC |
|
|
+ DESC_HDR_SEL1_MDEUA |
|
|
+ DESC_HDR_MODE1_MDEU_INIT |
|
|
+ DESC_HDR_MODE1_MDEU_PAD |
|
|
+ DESC_HDR_MODE1_MDEU_MD5_HMAC,
|
|
+ },
|
|
+ {
|
|
+ .name = "authenc(hmac(md5),cbc(des3_ede))",
|
|
+ .driver_name = "authenc-hmac-md5-cbc-3des-talitos",
|
|
+ .blocksize = DES3_EDE_BLOCK_SIZE,
|
|
+ .aead = {
|
|
+ .setkey = aead_authenc_setkey,
|
|
+ .setauthsize = aead_authenc_setauthsize,
|
|
+ .encrypt = aead_authenc_encrypt,
|
|
+ .decrypt = aead_authenc_decrypt,
|
|
+ .givencrypt = aead_authenc_givencrypt,
|
|
+ .geniv = "<built-in>",
|
|
+ .ivsize = DES3_EDE_BLOCK_SIZE,
|
|
+ .maxauthsize = MD5_DIGEST_SIZE,
|
|
+ },
|
|
+ .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP |
|
|
+ DESC_HDR_SEL0_DEU |
|
|
+ DESC_HDR_MODE0_DEU_CBC |
|
|
+ DESC_HDR_MODE0_DEU_3DES |
|
|
+ DESC_HDR_SEL1_MDEUA |
|
|
+ DESC_HDR_MODE1_MDEU_INIT |
|
|
+ DESC_HDR_MODE1_MDEU_PAD |
|
|
+ DESC_HDR_MODE1_MDEU_MD5_HMAC,
|
|
+ }
|
|
+};
|
|
+
|
|
+struct talitos_crypto_alg {
|
|
+ struct list_head entry;
|
|
+ struct device *dev;
|
|
+ __be32 desc_hdr_template;
|
|
+ struct crypto_alg crypto_alg;
|
|
+};
|
|
+
|
|
+static int talitos_cra_init(struct crypto_tfm *tfm)
|
|
+{
|
|
+ struct crypto_alg *alg = tfm->__crt_alg;
|
|
+ struct talitos_crypto_alg *talitos_alg =
|
|
+ container_of(alg, struct talitos_crypto_alg, crypto_alg);
|
|
+ struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+
|
|
+ /* update context with ptr to dev */
|
|
+ ctx->dev = talitos_alg->dev;
|
|
+ /* copy descriptor header template value */
|
|
+ ctx->desc_hdr_template = talitos_alg->desc_hdr_template;
|
|
+
|
|
+ /* random first IV */
|
|
+ get_random_bytes(ctx->iv, TALITOS_MAX_IV_LENGTH);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * given the alg's descriptor header template, determine whether descriptor
|
|
+ * type and primary/secondary execution units required match the hw
|
|
+ * capabilities description provided in the device tree node.
|
|
+ */
|
|
+static int hw_supports(struct device *dev, __be32 desc_hdr_template)
|
|
+{
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ int ret;
|
|
+
|
|
+ ret = (1 << DESC_TYPE(desc_hdr_template) & priv->desc_types) &&
|
|
+ (1 << PRIMARY_EU(desc_hdr_template) & priv->exec_units);
|
|
+
|
|
+ if (SECONDARY_EU(desc_hdr_template))
|
|
+ ret = ret && (1 << SECONDARY_EU(desc_hdr_template)
|
|
+ & priv->exec_units);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int __devexit talitos_remove(struct of_device *ofdev)
|
|
+{
|
|
+ struct device *dev = &ofdev->dev;
|
|
+ struct talitos_private *priv = dev_get_drvdata(dev);
|
|
+ struct talitos_crypto_alg *t_alg, *n;
|
|
+ int i;
|
|
+
|
|
+ list_for_each_entry_safe(t_alg, n, &priv->alg_list, entry) {
|
|
+ crypto_unregister_alg(&t_alg->crypto_alg);
|
|
+ list_del(&t_alg->entry);
|
|
+ kfree(t_alg);
|
|
+ }
|
|
+
|
|
+ if (hw_supports(dev, DESC_HDR_SEL0_RNG))
|
|
+ talitos_unregister_rng(dev);
|
|
+
|
|
+ kfree(priv->tail);
|
|
+ kfree(priv->head);
|
|
+
|
|
+ if (priv->fifo)
|
|
+ for (i = 0; i < priv->num_channels; i++)
|
|
+ kfree(priv->fifo[i]);
|
|
+
|
|
+ kfree(priv->fifo);
|
|
+ kfree(priv->head_lock);
|
|
+ kfree(priv->tail_lock);
|
|
+
|
|
+ if (priv->irq != NO_IRQ) {
|
|
+ free_irq(priv->irq, dev);
|
|
+ irq_dispose_mapping(priv->irq);
|
|
+ }
|
|
+
|
|
+ tasklet_kill(&priv->done_task);
|
|
+ tasklet_kill(&priv->error_task);
|
|
+
|
|
+ iounmap(priv->reg);
|
|
+
|
|
+ dev_set_drvdata(dev, NULL);
|
|
+
|
|
+ kfree(priv);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
|
|
+ struct talitos_alg_template
|
|
+ *template)
|
|
+{
|
|
+ struct talitos_crypto_alg *t_alg;
|
|
+ struct crypto_alg *alg;
|
|
+
|
|
+ t_alg = kzalloc(sizeof(struct talitos_crypto_alg), GFP_KERNEL);
|
|
+ if (!t_alg)
|
|
+ return ERR_PTR(-ENOMEM);
|
|
+
|
|
+ alg = &t_alg->crypto_alg;
|
|
+
|
|
+ snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", template->name);
|
|
+ snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
|
|
+ template->driver_name);
|
|
+ alg->cra_module = THIS_MODULE;
|
|
+ alg->cra_init = talitos_cra_init;
|
|
+ alg->cra_priority = TALITOS_CRA_PRIORITY;
|
|
+ alg->cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC;
|
|
+ alg->cra_blocksize = template->blocksize;
|
|
+ alg->cra_alignmask = 0;
|
|
+ alg->cra_type = &crypto_aead_type;
|
|
+ alg->cra_ctxsize = sizeof(struct talitos_ctx);
|
|
+ alg->cra_u.aead = template->aead;
|
|
+
|
|
+ t_alg->desc_hdr_template = template->desc_hdr_template;
|
|
+ t_alg->dev = dev;
|
|
+
|
|
+ return t_alg;
|
|
+}
|
|
+
|
|
+static int talitos_probe(struct of_device *ofdev,
|
|
+ const struct of_device_id *match)
|
|
+{
|
|
+ struct device *dev = &ofdev->dev;
|
|
+ struct device_node *np = ofdev->node;
|
|
+ struct talitos_private *priv;
|
|
+ const unsigned int *prop;
|
|
+ int i, err;
|
|
+
|
|
+ priv = kzalloc(sizeof(struct talitos_private), GFP_KERNEL);
|
|
+ if (!priv)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ dev_set_drvdata(dev, priv);
|
|
+
|
|
+ priv->ofdev = ofdev;
|
|
+
|
|
+ tasklet_init(&priv->done_task, talitos_done, (unsigned long)dev);
|
|
+ tasklet_init(&priv->error_task, talitos_error, (unsigned long)dev);
|
|
+
|
|
+ priv->irq = irq_of_parse_and_map(np, 0);
|
|
+
|
|
+ if (priv->irq == NO_IRQ) {
|
|
+ dev_err(dev, "failed to map irq\n");
|
|
+ err = -EINVAL;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ /* get the irq line */
|
|
+ err = request_irq(priv->irq, talitos_interrupt, 0,
|
|
+ dev_driver_string(dev), dev);
|
|
+ if (err) {
|
|
+ dev_err(dev, "failed to request irq %d\n", priv->irq);
|
|
+ irq_dispose_mapping(priv->irq);
|
|
+ priv->irq = NO_IRQ;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ priv->reg = of_iomap(np, 0);
|
|
+ if (!priv->reg) {
|
|
+ dev_err(dev, "failed to of_iomap\n");
|
|
+ err = -ENOMEM;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ /* get SEC version capabilities from device tree */
|
|
+ prop = of_get_property(np, "fsl,num-channels", NULL);
|
|
+ if (prop)
|
|
+ priv->num_channels = *prop;
|
|
+
|
|
+ prop = of_get_property(np, "fsl,channel-fifo-len", NULL);
|
|
+ if (prop)
|
|
+ priv->chfifo_len = *prop;
|
|
+
|
|
+ prop = of_get_property(np, "fsl,exec-units-mask", NULL);
|
|
+ if (prop)
|
|
+ priv->exec_units = *prop;
|
|
+
|
|
+ prop = of_get_property(np, "fsl,descriptor-types-mask", NULL);
|
|
+ if (prop)
|
|
+ priv->desc_types = *prop;
|
|
+
|
|
+ if (!is_power_of_2(priv->num_channels) || !priv->chfifo_len ||
|
|
+ !priv->exec_units || !priv->desc_types) {
|
|
+ dev_err(dev, "invalid property data in device tree node\n");
|
|
+ err = -EINVAL;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ of_node_put(np);
|
|
+ np = NULL;
|
|
+
|
|
+ priv->head_lock = kmalloc(sizeof(spinlock_t) * priv->num_channels,
|
|
+ GFP_KERNEL);
|
|
+ priv->tail_lock = kmalloc(sizeof(spinlock_t) * priv->num_channels,
|
|
+ GFP_KERNEL);
|
|
+ if (!priv->head_lock || !priv->tail_lock) {
|
|
+ dev_err(dev, "failed to allocate fifo locks\n");
|
|
+ err = -ENOMEM;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < priv->num_channels; i++) {
|
|
+ spin_lock_init(&priv->head_lock[i]);
|
|
+ spin_lock_init(&priv->tail_lock[i]);
|
|
+ }
|
|
+
|
|
+ priv->fifo = kmalloc(sizeof(struct talitos_request *) *
|
|
+ priv->num_channels, GFP_KERNEL);
|
|
+ if (!priv->fifo) {
|
|
+ dev_err(dev, "failed to allocate request fifo\n");
|
|
+ err = -ENOMEM;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ priv->fifo_len = roundup_pow_of_two(priv->chfifo_len);
|
|
+
|
|
+ for (i = 0; i < priv->num_channels; i++) {
|
|
+ priv->fifo[i] = kzalloc(sizeof(struct talitos_request) *
|
|
+ priv->fifo_len, GFP_KERNEL);
|
|
+ if (!priv->fifo[i]) {
|
|
+ dev_err(dev, "failed to allocate request fifo %d\n", i);
|
|
+ err = -ENOMEM;
|
|
+ goto err_out;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ priv->head = kzalloc(sizeof(int) * priv->num_channels, GFP_KERNEL);
|
|
+ priv->tail = kzalloc(sizeof(int) * priv->num_channels, GFP_KERNEL);
|
|
+ if (!priv->head || !priv->tail) {
|
|
+ dev_err(dev, "failed to allocate request index space\n");
|
|
+ err = -ENOMEM;
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ /* reset and initialize the h/w */
|
|
+ err = init_device(dev);
|
|
+ if (err) {
|
|
+ dev_err(dev, "failed to initialize device\n");
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ /* register the RNG, if available */
|
|
+ if (hw_supports(dev, DESC_HDR_SEL0_RNG)) {
|
|
+ err = talitos_register_rng(dev);
|
|
+ if (err) {
|
|
+ dev_err(dev, "failed to register hwrng: %d\n", err);
|
|
+ goto err_out;
|
|
+ } else
|
|
+ dev_info(dev, "hwrng\n");
|
|
+ }
|
|
+
|
|
+ /* register crypto algorithms the device supports */
|
|
+ INIT_LIST_HEAD(&priv->alg_list);
|
|
+
|
|
+ for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
|
|
+ if (hw_supports(dev, driver_algs[i].desc_hdr_template)) {
|
|
+ struct talitos_crypto_alg *t_alg;
|
|
+
|
|
+ t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
|
|
+ if (IS_ERR(t_alg)) {
|
|
+ err = PTR_ERR(t_alg);
|
|
+ goto err_out;
|
|
+ }
|
|
+
|
|
+ err = crypto_register_alg(&t_alg->crypto_alg);
|
|
+ if (err) {
|
|
+ dev_err(dev, "%s alg registration failed\n",
|
|
+ t_alg->crypto_alg.cra_driver_name);
|
|
+ kfree(t_alg);
|
|
+ } else {
|
|
+ list_add_tail(&t_alg->entry, &priv->alg_list);
|
|
+ dev_info(dev, "%s\n",
|
|
+ t_alg->crypto_alg.cra_driver_name);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err_out:
|
|
+ talitos_remove(ofdev);
|
|
+ if (np)
|
|
+ of_node_put(np);
|
|
+
|
|
+ return err;
|
|
+}
|
|
+
|
|
+static struct of_device_id talitos_match[] = {
|
|
+ {
|
|
+ .compatible = "fsl,sec2.0",
|
|
+ },
|
|
+ {},
|
|
+};
|
|
+MODULE_DEVICE_TABLE(of, talitos_match);
|
|
+
|
|
+static struct of_platform_driver talitos_driver = {
|
|
+ .name = "talitos",
|
|
+ .match_table = talitos_match,
|
|
+ .probe = talitos_probe,
|
|
+ .remove = __devexit_p(talitos_remove),
|
|
+};
|
|
+
|
|
+static int __init talitos_init(void)
|
|
+{
|
|
+ return of_register_platform_driver(&talitos_driver);
|
|
+}
|
|
+module_init(talitos_init);
|
|
+
|
|
+static void __exit talitos_exit(void)
|
|
+{
|
|
+ of_unregister_platform_driver(&talitos_driver);
|
|
+}
|
|
+module_exit(talitos_exit);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_AUTHOR("Kim Phillips <kim.phillips@freescale.com>");
|
|
+MODULE_DESCRIPTION("Freescale integrated security engine (SEC) driver");
|
|
--- /dev/null
|
|
+++ b/drivers/crypto/talitos.h
|
|
@@ -0,0 +1,199 @@
|
|
+/*
|
|
+ * Freescale SEC (talitos) device register and descriptor header defines
|
|
+ *
|
|
+ * Copyright (c) 2006-2008 Freescale Semiconductor, Inc.
|
|
+ *
|
|
+ * Redistribution and use in source and binary forms, with or without
|
|
+ * modification, are permitted provided that the following conditions
|
|
+ * are met:
|
|
+ *
|
|
+ * 1. Redistributions of source code must retain the above copyright
|
|
+ * notice, this list of conditions and the following disclaimer.
|
|
+ * 2. Redistributions in binary form must reproduce the above copyright
|
|
+ * notice, this list of conditions and the following disclaimer in the
|
|
+ * documentation and/or other materials provided with the distribution.
|
|
+ * 3. The name of the author may not be used to endorse or promote products
|
|
+ * derived from this software without specific prior written permission.
|
|
+ *
|
|
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
+ *
|
|
+ */
|
|
+
|
|
+/*
|
|
+ * TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register
|
|
+ */
|
|
+
|
|
+/* global register offset addresses */
|
|
+#define TALITOS_MCR 0x1030 /* master control register */
|
|
+#define TALITOS_MCR_LO 0x1038
|
|
+#define TALITOS_MCR_SWR 0x1 /* s/w reset */
|
|
+#define TALITOS_IMR 0x1008 /* interrupt mask register */
|
|
+#define TALITOS_IMR_INIT 0x10fff /* enable channel IRQs */
|
|
+#define TALITOS_IMR_LO 0x100C
|
|
+#define TALITOS_IMR_LO_INIT 0x20000 /* allow RNGU error IRQs */
|
|
+#define TALITOS_ISR 0x1010 /* interrupt status register */
|
|
+#define TALITOS_ISR_CHERR 0xaa /* channel errors mask */
|
|
+#define TALITOS_ISR_CHDONE 0x55 /* channel done mask */
|
|
+#define TALITOS_ISR_LO 0x1014
|
|
+#define TALITOS_ICR 0x1018 /* interrupt clear register */
|
|
+#define TALITOS_ICR_LO 0x101C
|
|
+
|
|
+/* channel register address stride */
|
|
+#define TALITOS_CH_STRIDE 0x100
|
|
+
|
|
+/* channel configuration register */
|
|
+#define TALITOS_CCCR(ch) (ch * TALITOS_CH_STRIDE + 0x1108)
|
|
+#define TALITOS_CCCR_CONT 0x2 /* channel continue */
|
|
+#define TALITOS_CCCR_RESET 0x1 /* channel reset */
|
|
+#define TALITOS_CCCR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x110c)
|
|
+#define TALITOS_CCCR_LO_CDWE 0x10 /* chan. done writeback enab. */
|
|
+#define TALITOS_CCCR_LO_NT 0x4 /* notification type */
|
|
+#define TALITOS_CCCR_LO_CDIE 0x2 /* channel done IRQ enable */
|
|
+
|
|
+/* CCPSR: channel pointer status register */
|
|
+#define TALITOS_CCPSR(ch) (ch * TALITOS_CH_STRIDE + 0x1110)
|
|
+#define TALITOS_CCPSR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1114)
|
|
+#define TALITOS_CCPSR_LO_DOF 0x8000 /* double FF write oflow error */
|
|
+#define TALITOS_CCPSR_LO_SOF 0x4000 /* single FF write oflow error */
|
|
+#define TALITOS_CCPSR_LO_MDTE 0x2000 /* master data transfer error */
|
|
+#define TALITOS_CCPSR_LO_SGDLZ 0x1000 /* s/g data len zero error */
|
|
+#define TALITOS_CCPSR_LO_FPZ 0x0800 /* fetch ptr zero error */
|
|
+#define TALITOS_CCPSR_LO_IDH 0x0400 /* illegal desc hdr error */
|
|
+#define TALITOS_CCPSR_LO_IEU 0x0200 /* invalid EU error */
|
|
+#define TALITOS_CCPSR_LO_EU 0x0100 /* EU error detected */
|
|
+#define TALITOS_CCPSR_LO_GB 0x0080 /* gather boundary error */
|
|
+#define TALITOS_CCPSR_LO_GRL 0x0040 /* gather return/length error */
|
|
+#define TALITOS_CCPSR_LO_SB 0x0020 /* scatter boundary error */
|
|
+#define TALITOS_CCPSR_LO_SRL 0x0010 /* scatter return/length error */
|
|
+
|
|
+/* channel fetch fifo register */
|
|
+#define TALITOS_FF(ch) (ch * TALITOS_CH_STRIDE + 0x1148)
|
|
+#define TALITOS_FF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x114c)
|
|
+
|
|
+/* current descriptor pointer register */
|
|
+#define TALITOS_CDPR(ch) (ch * TALITOS_CH_STRIDE + 0x1140)
|
|
+#define TALITOS_CDPR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1144)
|
|
+
|
|
+/* descriptor buffer register */
|
|
+#define TALITOS_DESCBUF(ch) (ch * TALITOS_CH_STRIDE + 0x1180)
|
|
+#define TALITOS_DESCBUF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1184)
|
|
+
|
|
+/* gather link table */
|
|
+#define TALITOS_GATHER(ch) (ch * TALITOS_CH_STRIDE + 0x11c0)
|
|
+#define TALITOS_GATHER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11c4)
|
|
+
|
|
+/* scatter link table */
|
|
+#define TALITOS_SCATTER(ch) (ch * TALITOS_CH_STRIDE + 0x11e0)
|
|
+#define TALITOS_SCATTER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11e4)
|
|
+
|
|
+/* execution unit interrupt status registers */
|
|
+#define TALITOS_DEUISR 0x2030 /* DES unit */
|
|
+#define TALITOS_DEUISR_LO 0x2034
|
|
+#define TALITOS_AESUISR 0x4030 /* AES unit */
|
|
+#define TALITOS_AESUISR_LO 0x4034
|
|
+#define TALITOS_MDEUISR 0x6030 /* message digest unit */
|
|
+#define TALITOS_MDEUISR_LO 0x6034
|
|
+#define TALITOS_AFEUISR 0x8030 /* arc4 unit */
|
|
+#define TALITOS_AFEUISR_LO 0x8034
|
|
+#define TALITOS_RNGUISR 0xa030 /* random number unit */
|
|
+#define TALITOS_RNGUISR_LO 0xa034
|
|
+#define TALITOS_RNGUSR 0xa028 /* rng status */
|
|
+#define TALITOS_RNGUSR_LO 0xa02c
|
|
+#define TALITOS_RNGUSR_LO_RD 0x1 /* reset done */
|
|
+#define TALITOS_RNGUSR_LO_OFL 0xff0000/* output FIFO length */
|
|
+#define TALITOS_RNGUDSR 0xa010 /* data size */
|
|
+#define TALITOS_RNGUDSR_LO 0xa014
|
|
+#define TALITOS_RNGU_FIFO 0xa800 /* output FIFO */
|
|
+#define TALITOS_RNGU_FIFO_LO 0xa804 /* output FIFO */
|
|
+#define TALITOS_RNGURCR 0xa018 /* reset control */
|
|
+#define TALITOS_RNGURCR_LO 0xa01c
|
|
+#define TALITOS_RNGURCR_LO_SR 0x1 /* software reset */
|
|
+#define TALITOS_PKEUISR 0xc030 /* public key unit */
|
|
+#define TALITOS_PKEUISR_LO 0xc034
|
|
+#define TALITOS_KEUISR 0xe030 /* kasumi unit */
|
|
+#define TALITOS_KEUISR_LO 0xe034
|
|
+#define TALITOS_CRCUISR 0xf030 /* cyclic redundancy check unit*/
|
|
+#define TALITOS_CRCUISR_LO 0xf034
|
|
+
|
|
+/*
|
|
+ * talitos descriptor header (hdr) bits
|
|
+ */
|
|
+
|
|
+/* written back when done */
|
|
+#define DESC_HDR_DONE __constant_cpu_to_be32(0xff000000)
|
|
+
|
|
+/* primary execution unit select */
|
|
+#define DESC_HDR_SEL0_MASK __constant_cpu_to_be32(0xf0000000)
|
|
+#define DESC_HDR_SEL0_AFEU __constant_cpu_to_be32(0x10000000)
|
|
+#define DESC_HDR_SEL0_DEU __constant_cpu_to_be32(0x20000000)
|
|
+#define DESC_HDR_SEL0_MDEUA __constant_cpu_to_be32(0x30000000)
|
|
+#define DESC_HDR_SEL0_MDEUB __constant_cpu_to_be32(0xb0000000)
|
|
+#define DESC_HDR_SEL0_RNG __constant_cpu_to_be32(0x40000000)
|
|
+#define DESC_HDR_SEL0_PKEU __constant_cpu_to_be32(0x50000000)
|
|
+#define DESC_HDR_SEL0_AESU __constant_cpu_to_be32(0x60000000)
|
|
+#define DESC_HDR_SEL0_KEU __constant_cpu_to_be32(0x70000000)
|
|
+#define DESC_HDR_SEL0_CRCU __constant_cpu_to_be32(0x80000000)
|
|
+
|
|
+/* primary execution unit mode (MODE0) and derivatives */
|
|
+#define DESC_HDR_MODE0_ENCRYPT __constant_cpu_to_be32(0x00100000)
|
|
+#define DESC_HDR_MODE0_AESU_CBC __constant_cpu_to_be32(0x00200000)
|
|
+#define DESC_HDR_MODE0_DEU_CBC __constant_cpu_to_be32(0x00400000)
|
|
+#define DESC_HDR_MODE0_DEU_3DES __constant_cpu_to_be32(0x00200000)
|
|
+#define DESC_HDR_MODE0_MDEU_INIT __constant_cpu_to_be32(0x01000000)
|
|
+#define DESC_HDR_MODE0_MDEU_HMAC __constant_cpu_to_be32(0x00800000)
|
|
+#define DESC_HDR_MODE0_MDEU_PAD __constant_cpu_to_be32(0x00400000)
|
|
+#define DESC_HDR_MODE0_MDEU_MD5 __constant_cpu_to_be32(0x00200000)
|
|
+#define DESC_HDR_MODE0_MDEU_SHA256 __constant_cpu_to_be32(0x00100000)
|
|
+#define DESC_HDR_MODE0_MDEU_SHA1 __constant_cpu_to_be32(0x00000000)
|
|
+#define DESC_HDR_MODE0_MDEU_MD5_HMAC (DESC_HDR_MODE0_MDEU_MD5 | \
|
|
+ DESC_HDR_MODE0_MDEU_HMAC)
|
|
+#define DESC_HDR_MODE0_MDEU_SHA256_HMAC (DESC_HDR_MODE0_MDEU_SHA256 | \
|
|
+ DESC_HDR_MODE0_MDEU_HMAC)
|
|
+#define DESC_HDR_MODE0_MDEU_SHA1_HMAC (DESC_HDR_MODE0_MDEU_SHA1 | \
|
|
+ DESC_HDR_MODE0_MDEU_HMAC)
|
|
+
|
|
+/* secondary execution unit select (SEL1) */
|
|
+#define DESC_HDR_SEL1_MASK __constant_cpu_to_be32(0x000f0000)
|
|
+#define DESC_HDR_SEL1_MDEUA __constant_cpu_to_be32(0x00030000)
|
|
+#define DESC_HDR_SEL1_MDEUB __constant_cpu_to_be32(0x000b0000)
|
|
+#define DESC_HDR_SEL1_CRCU __constant_cpu_to_be32(0x00080000)
|
|
+
|
|
+/* secondary execution unit mode (MODE1) and derivatives */
|
|
+#define DESC_HDR_MODE1_MDEU_INIT __constant_cpu_to_be32(0x00001000)
|
|
+#define DESC_HDR_MODE1_MDEU_HMAC __constant_cpu_to_be32(0x00000800)
|
|
+#define DESC_HDR_MODE1_MDEU_PAD __constant_cpu_to_be32(0x00000400)
|
|
+#define DESC_HDR_MODE1_MDEU_MD5 __constant_cpu_to_be32(0x00000200)
|
|
+#define DESC_HDR_MODE1_MDEU_SHA256 __constant_cpu_to_be32(0x00000100)
|
|
+#define DESC_HDR_MODE1_MDEU_SHA1 __constant_cpu_to_be32(0x00000000)
|
|
+#define DESC_HDR_MODE1_MDEU_MD5_HMAC (DESC_HDR_MODE1_MDEU_MD5 | \
|
|
+ DESC_HDR_MODE1_MDEU_HMAC)
|
|
+#define DESC_HDR_MODE1_MDEU_SHA256_HMAC (DESC_HDR_MODE1_MDEU_SHA256 | \
|
|
+ DESC_HDR_MODE1_MDEU_HMAC)
|
|
+#define DESC_HDR_MODE1_MDEU_SHA1_HMAC (DESC_HDR_MODE1_MDEU_SHA1 | \
|
|
+ DESC_HDR_MODE1_MDEU_HMAC)
|
|
+
|
|
+/* direction of overall data flow (DIR) */
|
|
+#define DESC_HDR_DIR_INBOUND __constant_cpu_to_be32(0x00000002)
|
|
+
|
|
+/* request done notification (DN) */
|
|
+#define DESC_HDR_DONE_NOTIFY __constant_cpu_to_be32(0x00000001)
|
|
+
|
|
+/* descriptor types */
|
|
+#define DESC_HDR_TYPE_AESU_CTR_NONSNOOP __constant_cpu_to_be32(0 << 3)
|
|
+#define DESC_HDR_TYPE_IPSEC_ESP __constant_cpu_to_be32(1 << 3)
|
|
+#define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU __constant_cpu_to_be32(2 << 3)
|
|
+#define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU __constant_cpu_to_be32(4 << 3)
|
|
+
|
|
+/* link table extent field bits */
|
|
+#define DESC_PTR_LNKTBL_JUMP 0x80
|
|
+#define DESC_PTR_LNKTBL_RETURN 0x02
|
|
+#define DESC_PTR_LNKTBL_NEXT 0x01
|
|
--- /dev/null
|
|
+++ b/include/crypto/hash.h
|
|
@@ -0,0 +1,154 @@
|
|
+/*
|
|
+ * Hash: Hash algorithms under the crypto API
|
|
+ *
|
|
+ * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the Free
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * any later version.
|
|
+ *
|
|
+ */
|
|
+
|
|
+#ifndef _CRYPTO_HASH_H
|
|
+#define _CRYPTO_HASH_H
|
|
+
|
|
+#include <linux/crypto.h>
|
|
+
|
|
+struct crypto_ahash {
|
|
+ struct crypto_tfm base;
|
|
+};
|
|
+
|
|
+static inline struct crypto_ahash *__crypto_ahash_cast(struct crypto_tfm *tfm)
|
|
+{
|
|
+ return (struct crypto_ahash *)tfm;
|
|
+}
|
|
+
|
|
+static inline struct crypto_ahash *crypto_alloc_ahash(const char *alg_name,
|
|
+ u32 type, u32 mask)
|
|
+{
|
|
+ type &= ~CRYPTO_ALG_TYPE_MASK;
|
|
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
|
|
+ type |= CRYPTO_ALG_TYPE_AHASH;
|
|
+ mask |= CRYPTO_ALG_TYPE_AHASH_MASK;
|
|
+
|
|
+ return __crypto_ahash_cast(crypto_alloc_base(alg_name, type, mask));
|
|
+}
|
|
+
|
|
+static inline struct crypto_tfm *crypto_ahash_tfm(struct crypto_ahash *tfm)
|
|
+{
|
|
+ return &tfm->base;
|
|
+}
|
|
+
|
|
+static inline void crypto_free_ahash(struct crypto_ahash *tfm)
|
|
+{
|
|
+ crypto_free_tfm(crypto_ahash_tfm(tfm));
|
|
+}
|
|
+
|
|
+static inline unsigned int crypto_ahash_alignmask(
|
|
+ struct crypto_ahash *tfm)
|
|
+{
|
|
+ return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
|
|
+}
|
|
+
|
|
+static inline struct ahash_tfm *crypto_ahash_crt(struct crypto_ahash *tfm)
|
|
+{
|
|
+ return &crypto_ahash_tfm(tfm)->crt_ahash;
|
|
+}
|
|
+
|
|
+static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
|
|
+{
|
|
+ return crypto_ahash_crt(tfm)->digestsize;
|
|
+}
|
|
+
|
|
+static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)
|
|
+{
|
|
+ return crypto_tfm_get_flags(crypto_ahash_tfm(tfm));
|
|
+}
|
|
+
|
|
+static inline void crypto_ahash_set_flags(struct crypto_ahash *tfm, u32 flags)
|
|
+{
|
|
+ crypto_tfm_set_flags(crypto_ahash_tfm(tfm), flags);
|
|
+}
|
|
+
|
|
+static inline void crypto_ahash_clear_flags(struct crypto_ahash *tfm, u32 flags)
|
|
+{
|
|
+ crypto_tfm_clear_flags(crypto_ahash_tfm(tfm), flags);
|
|
+}
|
|
+
|
|
+static inline struct crypto_ahash *crypto_ahash_reqtfm(
|
|
+ struct ahash_request *req)
|
|
+{
|
|
+ return __crypto_ahash_cast(req->base.tfm);
|
|
+}
|
|
+
|
|
+static inline unsigned int crypto_ahash_reqsize(struct crypto_ahash *tfm)
|
|
+{
|
|
+ return crypto_ahash_crt(tfm)->reqsize;
|
|
+}
|
|
+
|
|
+static inline int crypto_ahash_setkey(struct crypto_ahash *tfm,
|
|
+ const u8 *key, unsigned int keylen)
|
|
+{
|
|
+ struct ahash_tfm *crt = crypto_ahash_crt(tfm);
|
|
+
|
|
+ return crt->setkey(tfm, key, keylen);
|
|
+}
|
|
+
|
|
+static inline int crypto_ahash_digest(struct ahash_request *req)
|
|
+{
|
|
+ struct ahash_tfm *crt = crypto_ahash_crt(crypto_ahash_reqtfm(req));
|
|
+ return crt->digest(req);
|
|
+}
|
|
+
|
|
+static inline void ahash_request_set_tfm(struct ahash_request *req,
|
|
+ struct crypto_ahash *tfm)
|
|
+{
|
|
+ req->base.tfm = crypto_ahash_tfm(tfm);
|
|
+}
|
|
+
|
|
+static inline struct ahash_request *ahash_request_alloc(
|
|
+ struct crypto_ahash *tfm, gfp_t gfp)
|
|
+{
|
|
+ struct ahash_request *req;
|
|
+
|
|
+ req = kmalloc(sizeof(struct ahash_request) +
|
|
+ crypto_ahash_reqsize(tfm), gfp);
|
|
+
|
|
+ if (likely(req))
|
|
+ ahash_request_set_tfm(req, tfm);
|
|
+
|
|
+ return req;
|
|
+}
|
|
+
|
|
+static inline void ahash_request_free(struct ahash_request *req)
|
|
+{
|
|
+ kfree(req);
|
|
+}
|
|
+
|
|
+static inline struct ahash_request *ahash_request_cast(
|
|
+ struct crypto_async_request *req)
|
|
+{
|
|
+ return container_of(req, struct ahash_request, base);
|
|
+}
|
|
+
|
|
+static inline void ahash_request_set_callback(struct ahash_request *req,
|
|
+ u32 flags,
|
|
+ crypto_completion_t complete,
|
|
+ void *data)
|
|
+{
|
|
+ req->base.complete = complete;
|
|
+ req->base.data = data;
|
|
+ req->base.flags = flags;
|
|
+}
|
|
+
|
|
+static inline void ahash_request_set_crypt(struct ahash_request *req,
|
|
+ struct scatterlist *src, u8 *result,
|
|
+ unsigned int nbytes)
|
|
+{
|
|
+ req->src = src;
|
|
+ req->nbytes = nbytes;
|
|
+ req->result = result;
|
|
+}
|
|
+
|
|
+#endif /* _CRYPTO_HASH_H */
|
|
--- /dev/null
|
|
+++ b/include/crypto/internal/hash.h
|
|
@@ -0,0 +1,78 @@
|
|
+/*
|
|
+ * Hash algorithms.
|
|
+ *
|
|
+ * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License as published by the Free
|
|
+ * Software Foundation; either version 2 of the License, or (at your option)
|
|
+ * any later version.
|
|
+ *
|
|
+ */
|
|
+
|
|
+#ifndef _CRYPTO_INTERNAL_HASH_H
|
|
+#define _CRYPTO_INTERNAL_HASH_H
|
|
+
|
|
+#include <crypto/algapi.h>
|
|
+#include <crypto/hash.h>
|
|
+
|
|
+struct ahash_request;
|
|
+struct scatterlist;
|
|
+
|
|
+struct crypto_hash_walk {
|
|
+ char *data;
|
|
+
|
|
+ unsigned int offset;
|
|
+ unsigned int alignmask;
|
|
+
|
|
+ struct page *pg;
|
|
+ unsigned int entrylen;
|
|
+
|
|
+ unsigned int total;
|
|
+ struct scatterlist *sg;
|
|
+
|
|
+ unsigned int flags;
|
|
+};
|
|
+
|
|
+extern const struct crypto_type crypto_ahash_type;
|
|
+
|
|
+int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
|
|
+int crypto_hash_walk_first(struct ahash_request *req,
|
|
+ struct crypto_hash_walk *walk);
|
|
+
|
|
+static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
|
|
+{
|
|
+ return crypto_tfm_ctx(&tfm->base);
|
|
+}
|
|
+
|
|
+static inline struct ahash_alg *crypto_ahash_alg(
|
|
+ struct crypto_ahash *tfm)
|
|
+{
|
|
+ return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
|
|
+}
|
|
+
|
|
+static inline int ahash_enqueue_request(struct crypto_queue *queue,
|
|
+ struct ahash_request *request)
|
|
+{
|
|
+ return crypto_enqueue_request(queue, &request->base);
|
|
+}
|
|
+
|
|
+static inline struct ahash_request *ahash_dequeue_request(
|
|
+ struct crypto_queue *queue)
|
|
+{
|
|
+ return ahash_request_cast(crypto_dequeue_request(queue));
|
|
+}
|
|
+
|
|
+static inline void *ahash_request_ctx(struct ahash_request *req)
|
|
+{
|
|
+ return req->__ctx;
|
|
+}
|
|
+
|
|
+static inline int ahash_tfm_in_queue(struct crypto_queue *queue,
|
|
+ struct crypto_ahash *tfm)
|
|
+{
|
|
+ return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
|
|
+}
|
|
+
|
|
+#endif /* _CRYPTO_INTERNAL_HASH_H */
|
|
+
|
|
--- a/include/linux/crypto.h
|
|
+++ b/include/linux/crypto.h
|
|
@@ -30,15 +30,17 @@
|
|
*/
|
|
#define CRYPTO_ALG_TYPE_MASK 0x0000000f
|
|
#define CRYPTO_ALG_TYPE_CIPHER 0x00000001
|
|
-#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
|
|
-#define CRYPTO_ALG_TYPE_HASH 0x00000003
|
|
+#define CRYPTO_ALG_TYPE_COMPRESS 0x00000002
|
|
+#define CRYPTO_ALG_TYPE_AEAD 0x00000003
|
|
#define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004
|
|
#define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005
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#define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006
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-#define CRYPTO_ALG_TYPE_COMPRESS 0x00000008
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-#define CRYPTO_ALG_TYPE_AEAD 0x00000009
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+#define CRYPTO_ALG_TYPE_DIGEST 0x00000008
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+#define CRYPTO_ALG_TYPE_HASH 0x00000009
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+#define CRYPTO_ALG_TYPE_AHASH 0x0000000a
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|
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#define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e
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+#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c
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#define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c
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|
|
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#define CRYPTO_ALG_LARVAL 0x00000010
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@@ -102,6 +104,7 @@
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struct crypto_aead;
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struct crypto_blkcipher;
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struct crypto_hash;
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+struct crypto_ahash;
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struct crypto_tfm;
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struct crypto_type;
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struct aead_givcrypt_request;
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@@ -131,6 +134,16 @@
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void *__ctx[] CRYPTO_MINALIGN_ATTR;
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};
|
|
|
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+struct ahash_request {
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+ struct crypto_async_request base;
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+
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+ unsigned int nbytes;
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+ struct scatterlist *src;
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|
+ u8 *result;
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|
+
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+ void *__ctx[] CRYPTO_MINALIGN_ATTR;
|
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+};
|
|
+
|
|
/**
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* struct aead_request - AEAD request
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* @base: Common attributes for async crypto requests
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|
@@ -195,6 +208,17 @@
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|
unsigned int ivsize;
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|
};
|
|
|
|
+struct ahash_alg {
|
|
+ int (*init)(struct ahash_request *req);
|
|
+ int (*update)(struct ahash_request *req);
|
|
+ int (*final)(struct ahash_request *req);
|
|
+ int (*digest)(struct ahash_request *req);
|
|
+ int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
|
|
+ unsigned int keylen);
|
|
+
|
|
+ unsigned int digestsize;
|
|
+};
|
|
+
|
|
struct aead_alg {
|
|
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
|
|
unsigned int keylen);
|
|
@@ -272,6 +296,7 @@
|
|
#define cra_cipher cra_u.cipher
|
|
#define cra_digest cra_u.digest
|
|
#define cra_hash cra_u.hash
|
|
+#define cra_ahash cra_u.ahash
|
|
#define cra_compress cra_u.compress
|
|
|
|
struct crypto_alg {
|
|
@@ -298,6 +323,7 @@
|
|
struct cipher_alg cipher;
|
|
struct digest_alg digest;
|
|
struct hash_alg hash;
|
|
+ struct ahash_alg ahash;
|
|
struct compress_alg compress;
|
|
} cra_u;
|
|
|
|
@@ -383,6 +409,18 @@
|
|
unsigned int digestsize;
|
|
};
|
|
|
|
+struct ahash_tfm {
|
|
+ int (*init)(struct ahash_request *req);
|
|
+ int (*update)(struct ahash_request *req);
|
|
+ int (*final)(struct ahash_request *req);
|
|
+ int (*digest)(struct ahash_request *req);
|
|
+ int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
|
|
+ unsigned int keylen);
|
|
+
|
|
+ unsigned int digestsize;
|
|
+ unsigned int reqsize;
|
|
+};
|
|
+
|
|
struct compress_tfm {
|
|
int (*cot_compress)(struct crypto_tfm *tfm,
|
|
const u8 *src, unsigned int slen,
|
|
@@ -397,6 +435,7 @@
|
|
#define crt_blkcipher crt_u.blkcipher
|
|
#define crt_cipher crt_u.cipher
|
|
#define crt_hash crt_u.hash
|
|
+#define crt_ahash crt_u.ahash
|
|
#define crt_compress crt_u.compress
|
|
|
|
struct crypto_tfm {
|
|
@@ -409,6 +448,7 @@
|
|
struct blkcipher_tfm blkcipher;
|
|
struct cipher_tfm cipher;
|
|
struct hash_tfm hash;
|
|
+ struct ahash_tfm ahash;
|
|
struct compress_tfm compress;
|
|
} crt_u;
|
|
|