mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31546 3c298f89-4303-0410-b956-a3cf2f4a3e73
2515 lines
77 KiB
Diff
2515 lines
77 KiB
Diff
From 0419eb27af72bd37c3ef926169fe4db90e8690d3 Mon Sep 17 00:00:00 2001
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From: Alison Wang <b18965@freescale.com>
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Date: Thu, 4 Aug 2011 09:59:41 +0800
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Subject: [PATCH 11/52] Add CAU driver for MCF5445x and MCF5441x
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Add CAU driver support for MCF5445x and MCF5441x.
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Signed-off-by: Alison Wang <b18965@freescale.com>
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---
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crypto/testmgr.c | 13 +-
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drivers/crypto/Kconfig | 65 +++
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drivers/crypto/Makefile | 5 +
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drivers/crypto/mcfcau-aes.c | 367 ++++++++++++++++
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drivers/crypto/mcfcau-des.c | 525 +++++++++++++++++++++++
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drivers/crypto/mcfcau-md5.c | 972 ++++++++++++++++++++++++++++++++++++++++++
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drivers/crypto/mcfcau-sha1.c | 331 ++++++++++++++
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drivers/crypto/mcfcau.c | 33 ++
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drivers/crypto/mcfcau.h | 101 +++++
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9 files changed, 2410 insertions(+), 2 deletions(-)
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create mode 100644 drivers/crypto/mcfcau-aes.c
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create mode 100644 drivers/crypto/mcfcau-des.c
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create mode 100644 drivers/crypto/mcfcau-md5.c
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create mode 100644 drivers/crypto/mcfcau-sha1.c
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create mode 100644 drivers/crypto/mcfcau.c
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create mode 100644 drivers/crypto/mcfcau.h
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--- a/crypto/testmgr.c
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+++ b/crypto/testmgr.c
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@@ -705,6 +705,7 @@ static int test_cipher(struct crypto_cip
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else
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e = "decryption";
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+ printk(KERN_INFO "%s testing %s %s\n", __func__, algo, e);
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j = 0;
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for (i = 0; i < tcount; i++) {
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if (template[i].np)
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@@ -750,7 +751,9 @@ static int test_cipher(struct crypto_cip
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hexdump(q, template[i].rlen);
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ret = -EINVAL;
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goto out;
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- }
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+ } else
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+ printk(KERN_INFO "alg: cipher: Test %d pass "
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+ "on %s for %s\n", j, e, algo);
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}
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ret = 0;
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@@ -785,6 +788,7 @@ static int test_skcipher(struct crypto_a
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else
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e = "decryption";
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+ printk(KERN_INFO "%s testing %s %s\n", __func__, algo, e);
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init_completion(&result.completion);
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req = ablkcipher_request_alloc(tfm, GFP_KERNEL);
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@@ -863,10 +867,13 @@ static int test_skcipher(struct crypto_a
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hexdump(q, template[i].rlen);
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ret = -EINVAL;
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goto out;
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- }
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+ } else
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+ printk(KERN_INFO "alg: skcipher: Test %d "
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+ "pass on %s for %s\n", j, e, algo);
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}
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}
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+ printk(KERN_INFO "\ntesting %s %s across pages (chunking)\n", algo, e);
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j = 0;
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for (i = 0; i < tcount; i++) {
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@@ -2514,6 +2521,8 @@ int alg_test(const char *driver, const c
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int j;
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int rc;
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+ printk(KERN_INFO "\ntesting %s\n", alg);
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+
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if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
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char nalg[CRYPTO_MAX_ALG_NAME];
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--- a/drivers/crypto/Kconfig
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+++ b/drivers/crypto/Kconfig
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@@ -61,6 +61,71 @@ config CRYPTO_DEV_GEODE
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To compile this driver as a module, choose M here: the module
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will be called geode-aes.
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+config CRYPTO_DEV_MCFCAU
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+ bool "Support for Freescale Coldfire Cryptographic Acceleration Unit (CAU)"
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+ depends on M5445X || M5441X
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+ select CRYPTO_ALGAPI
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+ help
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+ The cryptographic acceleration unit (CAU) is a ColdFire coprocessor
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+ implementing a set of specialized operations in hardware. For example,
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+ you can find it on MCF5445X, or M5441X.
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+
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+ Say Y here if you want to use CAU.
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+
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+config CRYPTO_DEV_MCFCAU_DES
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+ tristate "DES and Triple DES cipher algorithms (coldfire)"
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+ depends on CRYPTO_DEV_MCFCAU
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+ select CRYPTO_ALGAPI
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+ select CRYPTO_BLKCIPHER
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+ help
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+ DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
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+
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+ Say 'Y' here to use the CAU coprocessor for
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+ the CryptoAPI DES and 3DES alogrithms.
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+
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+ To compile this driver as a module, choose M here: the module
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+ will be called mcfcau-des.
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+
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+config CRYPTO_DEV_MCFCAU_AES
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+ tristate "AES cipher algorithm (coldfire)"
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+ depends on CRYPTO_DEV_MCFCAU
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+ select CRYPTO_ALGAPI
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+ select CRYPTO_BLKCIPHER
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+ help
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+ AES cipher algorithm (FIPS 197).
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+
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+ Say 'Y' here to use the CAU coprocessor for
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+ the CryptoAPI AES alogrithm.
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+
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+ To compile this driver as a module, choose M here: the module
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+ will be called mcfcau-aes.
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+
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+config CRYPTO_DEV_MCFCAU_MD5
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+ tristate "MD5 digest algorithm (coldfire)"
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+ depends on CRYPTO_DEV_MCFCAU
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+ select CRYPTO_ALGAPI
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+ help
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+ MD5 message digest algorithm (RFC1321).
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+
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+ Say 'Y' here to use the CAU coprocessor for
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+ the CryptoAPI MD5 alogrithm.
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+
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+ To compile this driver as a module, choose M here:
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+ the module will be called mcfcau-md5.
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+
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+config CRYPTO_DEV_MCFCAU_SHA1
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+ tristate "SHA1 digest algorithm (coldfire)"
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+ depends on CRYPTO_DEV_MCFCAU
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+ select CRYPTO_ALGAPI
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+ help
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+ SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
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+
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+ Say 'Y' here to use the CAU coprocessor for
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+ the CryptoAPI SHA1 alogrithm.
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+
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+ To compile this driver as a module, choose M here: the module
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+ will be called mcfcau-sha1.
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+
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config ZCRYPT
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tristate "Support for PCI-attached cryptographic adapters"
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depends on S390
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--- a/drivers/crypto/Makefile
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+++ b/drivers/crypto/Makefile
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@@ -7,6 +7,11 @@ obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hi
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obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
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obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
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obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
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+obj-$(CONFIG_CRYPTO_DEV_MCFCAU) += mcfcau.o
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+obj-$(CONFIG_CRYPTO_DEV_MCFCAU_DES) += mcfcau-des.o
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+obj-$(CONFIG_CRYPTO_DEV_MCFCAU_AES) += mcfcau-aes.o
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+obj-$(CONFIG_CRYPTO_DEV_MCFCAU_MD5) += mcfcau-md5.o
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+obj-$(CONFIG_CRYPTO_DEV_MCFCAU_SHA1) += mcfcau-sha1.o
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obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
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obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
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obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
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--- /dev/null
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+++ b/drivers/crypto/mcfcau-aes.c
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@@ -0,0 +1,367 @@
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+/***************************************************************************
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+ * mcfcau-aes.c - Implementation of AES Cipher Algorithm
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+ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
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+ *
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+ * Copyright (C) 2007-2011 Freescale Semiconductor Inc. All Rights Reserved.
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+ * Author: Andrey Butok
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+ * Shrek Wu B16972@freescale.com
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+ *
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+ * NOTE: You can find the ColdFire CAU module on MCF5445X and MCF52235.
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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
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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+ * for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software Foundation,
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+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ ***************************************************************************
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+ * Changes:
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+ * v0.01 17 September 2007 Andrey Butok
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+ * Initial Release - developed on 2.6.20 Linux kernel.
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/init.h>
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+#include <linux/types.h>
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+#include <linux/errno.h>
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+#include <linux/crypto.h>
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+
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+/*
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+#undef DEBUG
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+#define DEBUG 1
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+*/
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+
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+#include "mcfcau.h"
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+
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+#define MCFCAU_AES_MIN_KEY_SIZE (16)
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+#define MCFCAU_AES_MAX_KEY_SIZE (32)
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+#define MCFCAU_AES_BLOCK_SIZE (16)
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+
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+#define MCFCAU_AES_DRIVER_DESC "AES ColdFire CAU driver"
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+#define MCFCAU_AES_DRIVER_VERSION "v0.01"
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+
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+struct mcfcau_aes_ctx {
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+ int Nr_1;
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+ u32 buf[120];
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+ u32 buf_tmp[16];
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+};
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+
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+static u32 mcfcau_rco_tab[10]
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+ = { 0x01000000, 0x02000000, 0x04000000, 0x08000000,
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+ 0x10000000, 0x20000000, 0x40000000, 0x80000000,
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+ 0x1b000000, 0x36000000};
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+
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+int mcfcau_aes_setkey(struct crypto_tfm *tfm, const u8 *in_key,
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+ unsigned int key_len)
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+{
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+ struct mcfcau_aes_ctx *ctx = crypto_tfm_ctx(tfm);
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+ const u32 *key = (const u32 *)in_key;
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+ u32 *flags = &tfm->crt_flags;
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+ u32 i;
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+ u32 *key_sch = (&ctx->buf[0]);
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+ u32 *temp_p, *rcon_p;
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+ u32 Nx;
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+ u32 Nk;
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+ unsigned long iflags;
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+
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+ DBG("mcfcau_aes_setkey\n");
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+
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+ if (key_len % 8) {
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+ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
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+ return -EINVAL;
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+ }
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+
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+ Nk = key_len>>2;
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+
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+ for (i = 0; i < Nk; i++)
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+ key_sch[i] = key[i];
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+
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+ ctx->Nr_1 = Nk+5;
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+
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+ /* Key Expansion */
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+ temp_p = &key_sch[Nk-1];
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+ rcon_p = &mcfcau_rco_tab[0];
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+
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+ spin_lock_irqsave(&mcfcau_lock, iflags);
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+
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+ asm volatile ("move.l %0, %%a1"
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+ : : "m"(temp_p) : "a1");
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+ asm volatile ("move.l %0, %%a3"
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+ : : "m"(rcon_p) : "a3");
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+ asm volatile ("move.l %0, %%a4"
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+ : : "m"(key_sch) : "a4");
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+
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+ Nx = (Nk+7)<<2; /* (Nr+1)*Nb */
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+
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+ for (i = Nk; i < Nx; i++) {
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+ /* temp = key_sch[Nk-1] */
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+ asm volatile ("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CAA) : "a1");
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+
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+ if (i % Nk == 0) {
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+ asm volatile ("moveq #8, %%d0" : : : "d0");
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+ /* CAA=RotWord(temp) */
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+ asm volatile ("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA) : "d0");
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+ /* SubWord(CAA) */
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+ asm volatile ("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESS+MCFCAU_CAA));
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+ /* ACC xor rcon[i/Nk] */
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+ asm volatile ("cp0ld.l (%%a3)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CAA) : "a3");
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+
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+ } else if ((Nk > 6) && (i % Nk == 4)) {
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+ /* SubWord(ACC) */
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+ asm volatile ("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESS+MCFCAU_CAA));
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+ }
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+
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+ /* key_sch[i]^=key_sch[i-Nk]; store ACC to key_sch[i] */
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+ asm volatile ("cp0ld.l (%%a4)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CAA) : "a4");
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+ asm volatile ("cp0st.l %%d0,(%%a1),#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CAA));
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+ }
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+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
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+
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+ return 0;
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+}
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+
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+
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+/* encrypt a block of text */
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+static void mcfcau_aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
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+{
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+ struct mcfcau_aes_ctx *ctx = crypto_tfm_ctx(tfm);
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+ const int Nr_1 = ctx->Nr_1;
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+
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+ u32 *key_sch = &(ctx->buf[0]);
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+ u32 i;
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+ unsigned long iflags;
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+
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+ DBG("mcfcau_aes_encrypt\n");
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+
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+ spin_lock_irqsave(&mcfcau_lock, iflags);
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+ asm("move.l %0, %%a1" : : "m"(in) : "a1");
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+ asm("move.l %0, %%a0" : : "m"(key_sch) : "a0");
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+ /* state=in */
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA1) : "a1");
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a1");
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA3) : "a1");
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+ /* AddRoundKey() */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA0) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA1) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA2) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA3) : "a0");
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+
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+ for (i = Nr_1; i > 0; i--) {
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+ /* SubBytes(state) */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESS+MCFCAU_CA0));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESS+MCFCAU_CA1));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESS+MCFCAU_CA2));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESS+MCFCAU_CA3));
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+ /* ShiftRows(state) */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESR));
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+ /* MixColumns(state); AddRoundKey() */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESC+MCFCAU_CA0) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESC+MCFCAU_CA1) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESC+MCFCAU_CA2) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_AESC+MCFCAU_CA3) : "a0");
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+ }
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+ /* SubBytes(state)*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESS+MCFCAU_CA0));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESS+MCFCAU_CA1));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESS+MCFCAU_CA2));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESS+MCFCAU_CA3));
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+ /* ShiftRows(state) */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESR));
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+ /* AddRoundKey() */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA0) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA1) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA2) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA3) : "a0");
|
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+ /* out = state */
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+ asm("move.l %0, %%a1" : : "m"(out) : "a1");
|
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+ asm("cp0st.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA0) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA1) : "d1");
|
|
+
|
|
+ asm("move.l %%d0,(%%a1)+" : : : "a1");
|
|
+ asm("move.l %%d1,(%%a1)+" : : : "a1");
|
|
+
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "d1");
|
|
+
|
|
+ asm("move.l %%d0,(%%a1)+" : : : "a1");
|
|
+ asm("move.l %%d1,(%%a1)+" : : : "a1");
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+}
|
|
+
|
|
+
|
|
+/* decrypt a block of text */
|
|
+static void mcfcau_aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
|
|
+{
|
|
+ struct mcfcau_aes_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ u32 *key_sch = &(ctx->buf[0]);
|
|
+ u32 i;
|
|
+ unsigned long iflags;
|
|
+ const int Nr_1 = ctx->Nr_1;
|
|
+ key_sch = &key_sch[(Nr_1+2)*4];
|
|
+
|
|
+ DBG("mcfcau_aes_decrypt\n");
|
|
+
|
|
+ spin_lock_irqsave(&mcfcau_lock, iflags);
|
|
+
|
|
+ asm("move.l %0, %%a1" : : "m"(in) : "a1");
|
|
+ asm("move.l %0, %%a0" : : "m"(key_sch) : "a0");
|
|
+ /* state=in */
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1) : "a1");
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a1");
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA3) : "a1");
|
|
+ /* AddRoundKey() */
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA3) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA1) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA0) : "a0");
|
|
+
|
|
+ for (i = Nr_1; i > 0; i--) {
|
|
+ /* InvShiftRows(state) */
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIR));
|
|
+ /* InvSubBytes(state) */
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIS+MCFCAU_CA3));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIS+MCFCAU_CA2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIS+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIS+MCFCAU_CA0));
|
|
+ /* InvMixColumns(state); AddRoundKey() */
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIC+MCFCAU_CA3) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIC+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIC+MCFCAU_CA1) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_AESIC+MCFCAU_CA0) : "a0");
|
|
+ }
|
|
+ /* InvShiftRows(state) */
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESIR));
|
|
+ /* InvSubBytes(state)*/
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESIS+MCFCAU_CA3));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESIS+MCFCAU_CA2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESIS+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_AESIS+MCFCAU_CA0));
|
|
+ /* AddRoundKey() */
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA3) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA1) : "a0");
|
|
+ asm("cp0ld.l -(%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_XOR+MCFCAU_CA0) : "a0");
|
|
+ /* out = state */
|
|
+ asm("move.l %0, %%a1" : : "m"(out) : "a1");
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_STR+MCFCAU_CA0) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0" : : "n"(MCFCAU_STR+MCFCAU_CA1) : "d1");
|
|
+
|
|
+ asm("move.l %%d0,(%%a1)+" : : : "a1");
|
|
+ asm("move.l %%d1,(%%a1)+" : : : "a1");
|
|
+
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_STR+MCFCAU_CA2) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0" : : "n"(MCFCAU_STR+MCFCAU_CA3) : "d1");
|
|
+
|
|
+ asm("move.l %%d0,(%%a1)+" : : : "a1");
|
|
+ asm("move.l %%d1,(%%a1)+" : : : "a1");
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+
|
|
+}
|
|
+
|
|
+
|
|
+static struct crypto_alg mcfcau_aes_alg = {
|
|
+ .cra_name = "aes",
|
|
+ .cra_driver_name = "aes-mcfcau",
|
|
+ .cra_priority = MCFCAU_CRA_PRIORITY,
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
|
|
+ .cra_blocksize = MCFCAU_AES_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct mcfcau_aes_ctx),
|
|
+ .cra_alignmask = 3,
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_list = LIST_HEAD_INIT(mcfcau_aes_alg.cra_list),
|
|
+ .cra_u = {
|
|
+ .cipher = {
|
|
+ .cia_min_keysize = MCFCAU_AES_MIN_KEY_SIZE,
|
|
+ .cia_max_keysize = MCFCAU_AES_MAX_KEY_SIZE,
|
|
+ .cia_setkey = mcfcau_aes_setkey,
|
|
+ .cia_encrypt = mcfcau_aes_encrypt,
|
|
+ .cia_decrypt = mcfcau_aes_decrypt
|
|
+ }
|
|
+ }
|
|
+};
|
|
+
|
|
+static int __init mcfcau_aes_init(void)
|
|
+{
|
|
+ int ret = crypto_register_alg(&mcfcau_aes_alg);
|
|
+
|
|
+ printk(KERN_INFO MCFCAU_AES_DRIVER_DESC " "
|
|
+ MCFCAU_AES_DRIVER_VERSION " %s.\n",
|
|
+ ret ? "failed" : "registered");
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit mcfcau_aes_fini(void)
|
|
+{
|
|
+ crypto_unregister_alg(&mcfcau_aes_alg);
|
|
+ printk(KERN_INFO MCFCAU_AES_DRIVER_DESC " "
|
|
+ MCFCAU_AES_DRIVER_VERSION " unregistered.\n");
|
|
+}
|
|
+
|
|
+module_init(mcfcau_aes_init);
|
|
+module_exit(mcfcau_aes_fini);
|
|
+
|
|
+MODULE_DESCRIPTION(MCFCAU_AES_DRIVER_DESC);
|
|
+MODULE_LICENSE("Dual BSD/GPL");
|
|
+MODULE_AUTHOR("Andrey Butok");
|
|
--- /dev/null
|
|
+++ b/drivers/crypto/mcfcau-des.c
|
|
@@ -0,0 +1,525 @@
|
|
+/***************************************************************************
|
|
+ * mcfcau-des.c - Implementation of DES & Triple DES EDE Cipher Algorithms
|
|
+ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
|
|
+ *
|
|
+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
+ * Author: Andrey Butok
|
|
+ * Shrek Wu B16972@freescale.com
|
|
+ *
|
|
+ * NOTE: You can find the ColdFire CAU module on MCF5445X and MCF52235.
|
|
+ *
|
|
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
+ *
|
|
+ ***************************************************************************
|
|
+ * Changes:
|
|
+ * v0.01 14 August 2007 Andrey Butok
|
|
+ * Initial Release - developed on 2.6.20 Linux kernel.
|
|
+ */
|
|
+
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/types.h>
|
|
+
|
|
+/*
|
|
+#undef DEBUG
|
|
+#define DEBUG 1
|
|
+*/
|
|
+
|
|
+#include "mcfcau.h"
|
|
+
|
|
+#define MCFCAU_DES_KEY_SIZE (8)
|
|
+#define MCFCAU_DES_EXPKEY_WORDS (32)
|
|
+#define MCFCAU_DES_BLOCK_SIZE (8)
|
|
+
|
|
+#define MCFCAU_DES3_EDE_KEY_SIZE (3 * MCFCAU_DES_KEY_SIZE)
|
|
+#define MCFCAU_DES3_EDE_EXPKEY_WORDS (3 * MCFCAU_DES_EXPKEY_WORDS)
|
|
+#define MCFCAU_DES3_EDE_BLOCK_SIZE (MCFCAU_DES_BLOCK_SIZE)
|
|
+
|
|
+#define MCFCAU_DES_DRIVER_DESC "DES & 3DES ColdFire CAU driver"
|
|
+#define MCFCAU_DES_DRIVER_VERSION "v0.01"
|
|
+
|
|
+struct mcfcau_des_ctx {
|
|
+ u32 expkey[MCFCAU_DES_EXPKEY_WORDS];
|
|
+};
|
|
+
|
|
+struct mcfcau_des3_ede_ctx {
|
|
+ u32 expkey[MCFCAU_DES3_EDE_EXPKEY_WORDS];
|
|
+};
|
|
+
|
|
+/* DES round operations */
|
|
+static inline void mcfcau_des_encipher(void)
|
|
+{
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESK));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_IP+MCFCAU_KSL1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSL1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_FP+MCFCAU_KSL1));
|
|
+}
|
|
+
|
|
+static inline void mcfcau_des_decipher(void)
|
|
+{
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESK+MCFCAU_DC));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_IP+MCFCAU_KSR1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR2));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_KSR1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_DESR+MCFCAU_FP+MCFCAU_KSL1));
|
|
+}
|
|
+
|
|
+
|
|
+static int mcfcau_des_setkey(struct crypto_tfm *tfm, const u8 *key_p,
|
|
+ unsigned int keylen)
|
|
+{
|
|
+ struct mcfcau_des_ctx *dctx = crypto_tfm_ctx(tfm);
|
|
+ u32 *flags = &tfm->crt_flags;
|
|
+ u32 * key = (u32 *) key_p;
|
|
+
|
|
+ DBG("mcfcau_des_setkey\n");
|
|
+
|
|
+ /*
|
|
+ * RFC2451: Weak key checks SHOULD be performed.
|
|
+ *
|
|
+ * FIPS 74:
|
|
+ * Keys having duals are keys which produce all zeros, all ones, or
|
|
+ * alternating zero-one patterns in the C and D registers
|
|
+ * after Permuted
|
|
+ * Choice 1 has operated on the key.
|
|
+ *
|
|
+ */
|
|
+ if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) { /* FIPS 74 */
|
|
+ if (key[0] < 0xE001E00l) {
|
|
+ if (key[0] < 0x1FE01FE0) {
|
|
+ if (key[0] < 0x01E001E0) {
|
|
+ if (((key[0] == 0x01010101) &&
|
|
+ (key[1] == 0x01010101)) ||
|
|
+ ((key[0] == 0x011F011F) &&
|
|
+ (key[1] == 0x010E010E)))
|
|
+ goto WEAK_KEY;
|
|
+ } else {
|
|
+ if (((key[0] == 0x01E001E0) &&
|
|
+ (key[1] == 0x01F101F1)) ||
|
|
+ ((key[0] == 0x01FE01FE) &&
|
|
+ (key[1] == 0x01FE01FE)))
|
|
+ goto WEAK_KEY;
|
|
+ }
|
|
+ } else {
|
|
+ if (key[0] < 0x1F1F1F1F) {
|
|
+ if (((key[0] == 0x1FE01FE0) &&
|
|
+ (key[1] == 0x0EF10EF1)) ||
|
|
+ ((key[0] == 0x1F011F0l) &&
|
|
+ (key[1] == 0x0E010E01)))
|
|
+ goto WEAK_KEY;
|
|
+ } else{
|
|
+ if (((key[0] == 0x1F1F1F1F) &&
|
|
+ (key[1] == 0x0E0E0E0E)) ||
|
|
+ ((key[0] == 0x1FFE1FFE) &&
|
|
+ (key[1] == 0x0EFE0EFE)))
|
|
+ goto WEAK_KEY;
|
|
+ }
|
|
+ }
|
|
+ } else {
|
|
+ if (key[0] < 0xFE01FE01) {
|
|
+ if (key[0] < 0xE0E0E0E0) {
|
|
+ if (((key[0] == 0xE001E00l) &&
|
|
+ (key[1] == 0xF101F101)) ||
|
|
+ ((key[0] == 0xE01FE01F) &&
|
|
+ (key[1] == 0xF10EF10E)))
|
|
+ goto WEAK_KEY;
|
|
+ } else {
|
|
+ if (((key[0] == 0xE0E0E0E0) &&
|
|
+ (key[1] == 0xF1F1F1F1)) ||
|
|
+ ((key[0] == 0xE0FEE0FE) &&
|
|
+ (key[1] == 0xF1FEF1FE)))
|
|
+ goto WEAK_KEY;
|
|
+ }
|
|
+ } else {
|
|
+ if (key[0] < 0xFEE0FEE0) {
|
|
+ if (((key[0] == 0xFE01FE01) &&
|
|
+ (key[1] == 0xFE01FE01)) ||
|
|
+ ((key[0] == 0xFE1FFE1F) &&
|
|
+ (key[1] == 0xFE0EFE0E)))
|
|
+ goto WEAK_KEY;
|
|
+ } else {
|
|
+ if (((key[0] == 0xFEE0FEE0) &&
|
|
+ (key[1] == 0xFEF1FEF1)) ||
|
|
+ ((key[0] == 0xFEFEFEFE)
|
|
+ && (key[1] == 0xFEFEFEFE)))
|
|
+ goto WEAK_KEY;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ memcpy(dctx->expkey, key_p, keylen);
|
|
+ return 0;
|
|
+WEAK_KEY:
|
|
+ *flags |= CRYPTO_TFM_RES_WEAK_KEY;
|
|
+ return -EINVAL;
|
|
+}
|
|
+
|
|
+
|
|
+void mcfcau_des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
|
|
+{
|
|
+ struct mcfcau_des_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ u32 *des_key_tmp = ctx->expkey;
|
|
+ unsigned long iflags;
|
|
+
|
|
+ DBG("mcfcau_des_encrypt\n");
|
|
+
|
|
+ spin_lock_irqsave(&mcfcau_lock, iflags);
|
|
+
|
|
+ asm("move.l %0, %%a0" : : "m"(src) : "a0");
|
|
+ asm("move.l %0, %%a1" : : "m"(des_key_tmp) : "a1");
|
|
+
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA3));
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1));
|
|
+
|
|
+ mcfcau_des_encipher();
|
|
+
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "d1");
|
|
+ asm("move.l %0, %%a1" : : "m"(dst) : "a1");
|
|
+ asm("move.l %d0,(%a1)+");
|
|
+ asm("move.l %d1,(%a1)");
|
|
+
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+}
|
|
+
|
|
+
|
|
+void mcfcau_des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
|
|
+{
|
|
+ struct mcfcau_des_ctx *ctx = crypto_tfm_ctx(tfm);
|
|
+ u32 *des_key_tmp = ctx->expkey;
|
|
+ unsigned long iflags;
|
|
+
|
|
+ DBG("mcfcau_des_decrypt\n");
|
|
+
|
|
+ spin_lock_irqsave(&mcfcau_lock, iflags);
|
|
+
|
|
+ asm("move.l %0, %%a0" : : "m"(src) : "a0");
|
|
+ asm("move.l %0, %%a1" : : "m"(des_key_tmp) : "a1");
|
|
+
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA3));
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1));
|
|
+
|
|
+ mcfcau_des_decipher();
|
|
+
|
|
+ asm("move.l %0, %%a1" : : "m"(dst) : "a1");
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "d1");
|
|
+ asm("move.l %d0,(%a1)+");
|
|
+ asm("move.l %d1,(%a1)");
|
|
+
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+}
|
|
+
|
|
+
|
|
+/*
|
|
+ * RFC2451:
|
|
+ *
|
|
+ * For DES-EDE3, there is no known need to reject weak or
|
|
+ * complementation keys. Any weakness is obviated by the use of
|
|
+ * multiple keys.
|
|
+ *
|
|
+ * However, if the first two or last two independent 64-bit keys are
|
|
+ * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the
|
|
+ * same as DES. Implementers MUST reject keys that exhibit this
|
|
+ * property.
|
|
+ *
|
|
+ */
|
|
+
|
|
+static int mcfcau_des3_ede_setkey(
|
|
+ struct crypto_tfm *tfm, const u8 *key_p, unsigned int keylen)
|
|
+{
|
|
+ const u32 *key = (const u32 *)key_p;
|
|
+ struct mcfcau_des3_ede_ctx *dctx = crypto_tfm_ctx(tfm);
|
|
+ u32 *flags = &tfm->crt_flags;
|
|
+
|
|
+ DBG("mcfcau_des3_ede_setkey\n");
|
|
+
|
|
+ if (unlikely(!((key[0] ^ key[2]) | (key[1] ^ key[3])) ||
|
|
+ !((key[2] ^ key[4]) | (key[3] ^ key[5])))) {
|
|
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ memcpy(dctx->expkey, key_p, keylen);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void mcfcau_des3_ede_encrypt(
|
|
+ struct crypto_tfm *tfm, u8 *dst, const u8 *src)
|
|
+{
|
|
+ struct mcfcau_des3_ede_ctx *dctx = crypto_tfm_ctx(tfm);
|
|
+ const u32 *des_key_tmp = dctx->expkey;
|
|
+ unsigned long iflags;
|
|
+
|
|
+ DBG("mcfcau_des3_ede_encrypt\n");
|
|
+
|
|
+ spin_lock_irqsave(&mcfcau_lock, iflags);
|
|
+
|
|
+ /*EK1*/
|
|
+ asm("move.l %0, %%a0"
|
|
+ : : "m"(src) : "a0");
|
|
+ asm("move.l %0, %%a1"
|
|
+ : : "m"(des_key_tmp) : "a1");
|
|
+
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA3));
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1) : "a1");
|
|
+
|
|
+ mcfcau_des_encipher();
|
|
+
|
|
+ /*DK2*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1) : "a1");
|
|
+
|
|
+ mcfcau_des_decipher();
|
|
+
|
|
+ /*EK3*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1));
|
|
+
|
|
+ mcfcau_des_encipher();
|
|
+
|
|
+ asm("move.l %0, %%a1"
|
|
+ : : "m"(dst) : "a1");
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "d1");
|
|
+ asm("move.l %d0,(%a1)+");
|
|
+ asm("move.l %d1,(%a1)");
|
|
+
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+}
|
|
+
|
|
+static void mcfcau_des3_ede_decrypt(
|
|
+ struct crypto_tfm *tfm, u8 *dst, const u8 *src)
|
|
+{
|
|
+ struct mcfcau_des3_ede_ctx *dctx = crypto_tfm_ctx(tfm);
|
|
+ const u32 *des_key_tmp = dctx->expkey + 6 - 2;
|
|
+ unsigned long iflags;
|
|
+
|
|
+ DBG("mcfcau_des3_ede_decrypt\n");
|
|
+
|
|
+ spin_lock_irqsave(&mcfcau_lock, iflags);
|
|
+
|
|
+ /*DK3*/
|
|
+ asm("move.l %0, %%a0"
|
|
+ : : "m"(src) : "a0");
|
|
+ asm("move.l %0, %%a1"
|
|
+ : : "m"(des_key_tmp) : "a1");
|
|
+
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a0");
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA3));
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1));
|
|
+
|
|
+ mcfcau_des_decipher();
|
|
+
|
|
+ /*EK2*/
|
|
+ asm("suba.l #12,%a1"); /*dec key pointer*/
|
|
+
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1));
|
|
+
|
|
+ mcfcau_des_encipher();
|
|
+
|
|
+ /*DK1*/
|
|
+ asm("suba.l #12,%a1"); /*dec key pointer*/
|
|
+
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a1");
|
|
+ asm("cp0ld.l (%%a1),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1));
|
|
+
|
|
+ mcfcau_des_decipher();
|
|
+
|
|
+ asm("move.l %0, %%a1"
|
|
+ : : "m"(dst) : "a1");
|
|
+ asm("cp0st.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "d0");
|
|
+ asm("cp0st.l %%d0,%%d1,#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "d1");
|
|
+ asm("move.l %d0,(%a1)+");
|
|
+ asm("move.l %d1,(%a1)");
|
|
+
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+}
|
|
+
|
|
+
|
|
+static struct crypto_alg mcfcau_des_alg = {
|
|
+ .cra_name = "des",
|
|
+ .cra_driver_name = "des-mcfcau",
|
|
+ .cra_priority = MCFCAU_CRA_PRIORITY,
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
|
|
+ .cra_blocksize = MCFCAU_DES_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct mcfcau_des_ctx),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_alignmask = 3,
|
|
+ .cra_list = LIST_HEAD_INIT(mcfcau_des_alg.cra_list),
|
|
+ .cra_u = { .cipher = {
|
|
+ .cia_min_keysize = MCFCAU_DES_KEY_SIZE,
|
|
+ .cia_max_keysize = MCFCAU_DES_KEY_SIZE,
|
|
+ .cia_setkey = mcfcau_des_setkey,
|
|
+ .cia_encrypt = mcfcau_des_encrypt,
|
|
+ .cia_decrypt = mcfcau_des_decrypt } }
|
|
+};
|
|
+
|
|
+static struct crypto_alg mcfcau_des3_ede_alg = {
|
|
+ .cra_name = "des3_ede",
|
|
+ .cra_driver_name = "des3_ede-mcfcau",
|
|
+ .cra_priority = MCFCAU_CRA_PRIORITY,
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
|
|
+ .cra_blocksize = MCFCAU_DES3_EDE_BLOCK_SIZE,
|
|
+ .cra_ctxsize = sizeof(struct mcfcau_des3_ede_ctx),
|
|
+ .cra_module = THIS_MODULE,
|
|
+ .cra_alignmask = 3,
|
|
+ .cra_list =
|
|
+ LIST_HEAD_INIT(mcfcau_des3_ede_alg.cra_list),
|
|
+ .cra_u = { .cipher = {
|
|
+ .cia_min_keysize = MCFCAU_DES3_EDE_KEY_SIZE,
|
|
+ .cia_max_keysize = MCFCAU_DES3_EDE_KEY_SIZE,
|
|
+ .cia_setkey = mcfcau_des3_ede_setkey,
|
|
+ .cia_encrypt = mcfcau_des3_ede_encrypt,
|
|
+ .cia_decrypt = mcfcau_des3_ede_decrypt } }
|
|
+};
|
|
+
|
|
+MODULE_ALIAS("mcfcau_des3_ede");
|
|
+
|
|
+static int __init mcfcau_des_init(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = crypto_register_alg(&mcfcau_des_alg);
|
|
+ if (ret < 0)
|
|
+ goto out;
|
|
+
|
|
+ ret = crypto_register_alg(&mcfcau_des3_ede_alg);
|
|
+ if (ret < 0)
|
|
+ crypto_unregister_alg(&mcfcau_des_alg);
|
|
+out:
|
|
+ printk(KERN_INFO MCFCAU_DES_DRIVER_DESC " "
|
|
+ MCFCAU_DES_DRIVER_VERSION " %s.\n",
|
|
+ ret ? "failed" : "registered");
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit mcfcau_des_exit(void)
|
|
+{
|
|
+ crypto_unregister_alg(&mcfcau_des3_ede_alg);
|
|
+ crypto_unregister_alg(&mcfcau_des_alg);
|
|
+
|
|
+ printk(KERN_INFO MCFCAU_DES_DRIVER_DESC " "
|
|
+ MCFCAU_DES_DRIVER_VERSION " unregistered.\n");
|
|
+}
|
|
+
|
|
+module_init(mcfcau_des_init);
|
|
+module_exit(mcfcau_des_exit);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms for ColdFire CAU");
|
|
+MODULE_AUTHOR("Andrey Butok");
|
|
--- /dev/null
|
|
+++ b/drivers/crypto/mcfcau-md5.c
|
|
@@ -0,0 +1,972 @@
|
|
+/***************************************************************************
|
|
+ * mcfcau-md5.c - Implementation of MD5 Message Digest Algorithm (RFC1321)
|
|
+ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
|
|
+ *
|
|
+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
+ * Author: Andrey Butok
|
|
+ * Shrek Wu B16972@freescale.com
|
|
+ * Alison Wang b18965@freescale.com
|
|
+ *
|
|
+ * NOTE: You can find the ColdFire CAU module on MCF5445X and MCF52235.
|
|
+ *
|
|
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
+ *
|
|
+ ***************************************************************************
|
|
+ * Changes:
|
|
+ * v0.01 30 September 2007 Andrey Butok
|
|
+ * Initial Release - developed on 2.6.20 Linux kernel.
|
|
+ */
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/string.h>
|
|
+#include <linux/crypto.h>
|
|
+#include <linux/types.h>
|
|
+#include <crypto/algapi.h>
|
|
+#include <crypto/hash.h>
|
|
+#include <crypto/internal/hash.h>
|
|
+#include <asm/byteorder.h>
|
|
+
|
|
+#include "mcfcau.h"
|
|
+
|
|
+#define MCFCAU_MD5_DIGEST_SIZE (16)
|
|
+#define MCFCAU_MD5_HMAC_BLOCK_SIZE (64)
|
|
+#define MCFCAU_MD5_BLOCK_WORDS (16)
|
|
+#define MCFCAU_MD5_HASH_WORDS (4)
|
|
+
|
|
+#define MCFCAU_MD5_DRIVER_DESC "MD5 ColdFire CAU driver"
|
|
+#define MCFCAU_MD5_DRIVER_VERSION "v0.01"
|
|
+
|
|
+
|
|
+struct mcfcau_md5_ctx {
|
|
+ u32 hash[MCFCAU_MD5_HASH_WORDS];
|
|
+ u32 block[MCFCAU_MD5_BLOCK_WORDS];
|
|
+ u64 byte_count;
|
|
+};
|
|
+
|
|
+u32 mcfcau_md5_t[64] = {0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
|
|
+ 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
|
|
+ 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
|
|
+ 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
|
|
+ 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
|
|
+ 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
|
|
+ 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
|
|
+ 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
|
|
+ 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
|
|
+ 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
|
|
+ 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
|
|
+ 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
|
|
+ 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
|
|
+ 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
|
|
+ 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
|
|
+ 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391};
|
|
+
|
|
+
|
|
+
|
|
+static void mcfcau_md5_transform(u32 *hash, u32 const *in)
|
|
+{
|
|
+ int i;
|
|
+ u32 *md5_t_p = &mcfcau_md5_t[0];
|
|
+ unsigned long iflags;
|
|
+
|
|
+ spin_lock_irqsave(&mcfcau_lock, iflags);
|
|
+ asm("move.l %0, %%a1" : : "m"(hash) : "a1");
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CAA) : "a1");/*a*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA1) : "a1");/*b*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a1");/*c*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_LDR+MCFCAU_CA3) : "a1");/*d*/
|
|
+ asm("move.l %0, %%a0" : : "m"(in) : "a0"); /* X[] */
|
|
+ asm("move.l %0, %%a3" : : "m"(md5_t_p) : "a3"); /* T[] */
|
|
+
|
|
+ /* Round 1 */
|
|
+ asm("moveq.l #7, %%d4" : : : "d4"); /* for rotating by 7 */
|
|
+ asm("moveq.l #12, %%d5" : : : "d5"); /* for rotating by 12 */
|
|
+ asm("moveq.l #17, %%d6" : : : "d6"); /* for rotating by 17 */
|
|
+ asm("moveq.l #22, %%d7" : : : "d7"); /* for rotating by 22 */
|
|
+
|
|
+ for (i = 0; i < 4; i++) {
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFF));
|
|
+ /* a+F(b,c,d) */
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ /* add byterev x[i] */
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ /* add t[i] */
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ /* rotate by 7 */
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ /* add b */
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+ /* register to register shift */
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFF));
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFF));
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFF));
|
|
+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+ };
|
|
+
|
|
+
|
|
+ /* Round 2 */
|
|
+ asm("moveq.l #5, %%d4" : : : "d4"); /* for rotating by 5 */
|
|
+ asm("moveq.l #9, %%d5" : : : "d5"); /* for rotating by 9 */
|
|
+ asm("moveq.l #14, %%d6" : : : "d6"); /* for rotating by 14 */
|
|
+ asm("moveq.l #20, %%d7" : : : "d7"); /* for rotating by 20 */
|
|
+
|
|
+ asm("lea -60(%%a0),%%a0" : : : "a0");
|
|
+
|
|
+ for (i = 0; i < 2; i++) {
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -44(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+ };
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0"
|
|
+ : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -44(%%a0),%%a0"
|
|
+ : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0"
|
|
+ : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -44(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 20(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFG));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ /* Round 3 */
|
|
+ asm("moveq.l #4, %%d4" : : : "d4"); /* for rotating by 5 */
|
|
+ asm("moveq.l #11, %%d5" : : : "d5"); /* for rotating by 9 */
|
|
+ asm("moveq.l #16, %%d6" : : : "d6"); /* for rotating by 14 */
|
|
+ asm("moveq.l #23, %%d7" : : : "d7"); /* for rotating by 20 */
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0" : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -52(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -52(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 12(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -52(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFH));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -8(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ /* Round 4 */
|
|
+ asm("moveq.l #6, %%d4" : : : "d4"); /* for rotating by 6 */
|
|
+ asm("moveq.l #10, %%d5" : : : "d5"); /* for rotating by 10 */
|
|
+ asm("moveq.l #15, %%d6" : : : "d6"); /* for rotating by 15 */
|
|
+ asm("moveq.l #21, %%d7" : : : "d7"); /* for rotating by 21 */
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -36(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -36(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -36(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -36(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -36(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0"
|
|
+ : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d4,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea -36(%%a0),%%a0"
|
|
+ : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d5,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0"
|
|
+ : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d6,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_HASH+MCFCAU_HFI));
|
|
+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_RADR+MCFCAU_CAA) : "a0");
|
|
+ asm("lea 28(%%a0),%%a0" : : : "a0");
|
|
+ asm("cp0ld.l (%%a3)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a3");
|
|
+ asm("cp0ld.l %%d7,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADRA+MCFCAU_CA1));
|
|
+ asm("cp0ld.l %%d0,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_MDS));
|
|
+
|
|
+
|
|
+ asm("move.l %0, %%a1" : : "m"(hash) : "a1");
|
|
+
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a1");/*a*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CA1) : "a1");/*b*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CA2) : "a1");/*c*/
|
|
+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
|
|
+ : : "n"(MCFCAU_ADR+MCFCAU_CA3) : "a1");/*d*/
|
|
+
|
|
+ asm("cp0st.l %%d0,-(%%a1),#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "a1");/*d*/
|
|
+ asm("cp0st.l %%d0,-(%%a1),#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "a1");/*c*/
|
|
+ asm("cp0st.l %%d0,-(%%a1),#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CA1) : "a1");/*b*/
|
|
+ asm("cp0st.l %%d0,-(%%a1),#1,%0"
|
|
+ : : "n"(MCFCAU_STR+MCFCAU_CAA) : "a1");/*a*/
|
|
+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
|
|
+}
|
|
+
|
|
+static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
|
|
+{
|
|
+ while (words--) {
|
|
+ __le32_to_cpus(buf);
|
|
+ buf++;
|
|
+ }
|
|
+}
|
|
+
|
|
+static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
|
|
+{
|
|
+ while (words--) {
|
|
+ __cpu_to_le32s(buf);
|
|
+ buf++;
|
|
+ }
|
|
+}
|
|
+
|
|
+static int mcfcau_md5_initialization(struct shash_desc *desc)
|
|
+{
|
|
+ struct mcfcau_md5_ctx *mctx = shash_desc_ctx(desc);
|
|
+
|
|
+ DBG("mcfcau_md5_initialization\n");
|
|
+ mctx->hash[0] = 0x67452301;
|
|
+ mctx->hash[1] = 0xefcdab89;
|
|
+ mctx->hash[2] = 0x98badcfe;
|
|
+ mctx->hash[3] = 0x10325476;
|
|
+ mctx->byte_count = 0;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int mcfcau_md5_update(struct shash_desc *desc,
|
|
+ const u8 *data, unsigned int len)
|
|
+{
|
|
+ struct mcfcau_md5_ctx *mctx = shash_desc_ctx(desc);
|
|
+ const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);
|
|
+
|
|
+ DBG("mcfcau_md5_update\n");
|
|
+ mctx->byte_count += len;
|
|
+
|
|
+ if (avail > len) {
|
|
+ memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
|
|
+ data, len);
|
|
+ } else {
|
|
+ memcpy((char *)mctx->block +
|
|
+ (sizeof(mctx->block) - avail), data, avail);
|
|
+
|
|
+ mcfcau_md5_transform(mctx->hash, mctx->block);
|
|
+ data += avail;
|
|
+ len -= avail;
|
|
+
|
|
+ while (len >= sizeof(mctx->block)) {
|
|
+ memcpy(mctx->block, data, sizeof(mctx->block));
|
|
+ mcfcau_md5_transform(mctx->hash, mctx->block);
|
|
+ data += sizeof(mctx->block);
|
|
+ len -= sizeof(mctx->block);
|
|
+ }
|
|
+
|
|
+ memcpy(mctx->block, data, len);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int mcfcau_md5_final(struct shash_desc *desc, u8 *out)
|
|
+{
|
|
+ struct mcfcau_md5_ctx *mctx = shash_desc_ctx(desc);
|
|
+ const unsigned int offset = mctx->byte_count & 0x3f;
|
|
+ char *p = (char *)mctx->block + offset;
|
|
+ int padding = 56 - (offset + 1);
|
|
+
|
|
+ DBG("mcfcau_md5_final\n");
|
|
+
|
|
+ *p++ = 0x80;
|
|
+ if (padding < 0) {
|
|
+ memset(p, 0x00, padding + sizeof(u64));
|
|
+ mcfcau_md5_transform(mctx->hash, mctx->block);
|
|
+ p = (char *)mctx->block;
|
|
+ padding = 56;
|
|
+ }
|
|
+
|
|
+ memset(p, 0, padding);
|
|
+ mctx->block[14] = mctx->byte_count << 3;
|
|
+ mctx->block[15] = mctx->byte_count >> 29;
|
|
+ le32_to_cpu_array(&mctx->block[14], 2);
|
|
+
|
|
+ mcfcau_md5_transform(mctx->hash, mctx->block);
|
|
+
|
|
+ cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32));
|
|
+ memcpy(out, mctx->hash, sizeof(mctx->hash));
|
|
+ memset(mctx, 0, sizeof(*mctx));
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct shash_alg mcfcau_md5_alg = {
|
|
+ .init = mcfcau_md5_initialization,
|
|
+ .update = mcfcau_md5_update,
|
|
+ .final = mcfcau_md5_final,
|
|
+ .digestsize = MCFCAU_MD5_DIGEST_SIZE,
|
|
+ .descsize = sizeof(struct mcfcau_md5_ctx),
|
|
+ .statesize = sizeof(struct mcfcau_md5_ctx),
|
|
+ .base = {
|
|
+ .cra_name = "md5",
|
|
+ .cra_driver_name = "md5-mcfcau",
|
|
+ .cra_blocksize = MCFCAU_MD5_HMAC_BLOCK_SIZE,
|
|
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
|
|
+ .cra_priority = MCFCAU_CRA_PRIORITY,
|
|
+ .cra_module = THIS_MODULE
|
|
+ }
|
|
+};
|
|
+
|
|
+static int __init mcfcau_md5_init(void)
|
|
+{
|
|
+ int ret = 0;
|
|
+
|
|
+ ret = crypto_register_shash(&mcfcau_md5_alg);
|
|
+ printk(KERN_INFO MCFCAU_MD5_DRIVER_DESC " "
|
|
+ MCFCAU_MD5_DRIVER_VERSION " %s.\n",
|
|
+ ret ? "failed" : "registered");
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit mcfcau_md5_exit(void)
|
|
+{
|
|
+ crypto_unregister_shash(&mcfcau_md5_alg);
|
|
+ printk(KERN_INFO MCFCAU_MD5_DRIVER_DESC " "
|
|
+ MCFCAU_MD5_DRIVER_VERSION " unregistered.\n");
|
|
+}
|
|
+
|
|
+module_init(mcfcau_md5_init);
|
|
+module_exit(mcfcau_md5_exit);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION(MCFCAU_MD5_DRIVER_DESC);
|
|
+MODULE_AUTHOR("Andrey Butok");
|
|
--- /dev/null
|
|
+++ b/drivers/crypto/mcfcau-sha1.c
|
|
@@ -0,0 +1,331 @@
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+/***************************************************************************
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+ * mcfcau-sha1.c - Implementation of SHA1 Secure Hash Algorithm
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+ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
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+ *
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+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
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+ * Author: Andrey Butok
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+ * Shrek Wu B16972@freescale.com
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+ * Alison Wang b18965@freescale.com
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+ *
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+ * NOTE: You can find the ColdFire CAU module on MCF5445X and MCF52235.
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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
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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+ * for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software Foundation,
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+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ ***************************************************************************
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+ * Changes:
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+ * v0.01 15 October 2007 Andrey Butok
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+ * Initial Release - developed on 2.6.20 Linux kernel.
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/mm.h>
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+#include <linux/crypto.h>
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+#include <linux/types.h>
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+#include <crypto/algapi.h>
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+#include <crypto/hash.h>
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+#include <crypto/internal/hash.h>
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+
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+#include "mcfcau.h"
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+
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+#define MCFCAU_SHA1_DIGEST_WORDS (5)
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+#define MCFCAU_SHA1_WORKSPACE_WORDS (80)
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+
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+#define MCFCAU_SHA1_DIGEST_SIZE (20)
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+#define MCFCAU_SHA1_HMAC_BLOCK_SIZE (64)
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+
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+#define MCFCAU_SHA1_DRIVER_DESC "SHA1 ColdFire CAU driver"
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+#define MCFCAU_SHA1_DRIVER_VERSION "v0.01"
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+
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+static const u32 K[4] = {0x5A827999L, /* Rounds 0-19: sqrt(2) * 2^30 */
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+ 0x6ED9EBA1L, /* Rounds 20-39: sqrt(3) * 2^30 */
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+ 0x8F1BBCDCL, /* Rounds 40-59: sqrt(5) * 2^30 */
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+ 0xCA62C1D6L}; /* Rounds 60-79: sqrt(10) * 2^30 */
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+
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+struct mcfcau_sha1_ctx {
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+ u64 count;
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+ u32 state[5];
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+ u8 buffer[64];
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+};
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+
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+static void mcfcau_sha1_transform(__u32 *digest, const char *in, __u32 *W)
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+{
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+ int i;
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+ u32 *tmp_p;
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+ unsigned long iflags;
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+
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+ /* (a) Devide M(i) into 16 words W */
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+ for (i = 0; i < 16; i++)
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+ W[i] = ((const u32 *)in)[i];
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+
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+ /* (b) W[i+16] = S^1(W[i+13] ^ W[i+8] ^ W[i+2] ^ W[i]) */
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+ tmp_p = &W[16];
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+
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+ spin_lock_irqsave(&mcfcau_lock, iflags);
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+ asm("move.l %0, %%a0" : : "m"(tmp_p) : "a0");
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+ asm("moveq.l #1, %%d3" : : : "d3");
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+
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+ for (i = 0; i < 64; i++) {
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+ asm("cp0ld.l -64(%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA0));
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+ asm("cp0ld.l -56(%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA0));
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+ asm("cp0ld.l -32(%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA0));
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+ asm("cp0ld.l -12(%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_XOR+MCFCAU_CA0));
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+ asm("cp0ld.l %%d3,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ROTL+MCFCAU_CA0) : "d3");
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+ asm("cp0st.l %%d0,(%%a0)+,#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CA0));
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+ }
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+
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+ /* (c) */
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+ asm("move.l %0, %%a0" : : "m"(digest) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA0) : "a0"); /* a */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA1) : "a0"); /* b */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA2) : "a0"); /* c */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA3) : "a0"); /* d */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_LDR+MCFCAU_CA4) : "a0"); /* e */
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+
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+ /* (d) */
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+ asm("moveq.l #5, %%d0" : : : "d0");
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_MVRA+MCFCAU_CA0));
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ROTL+MCFCAU_CAA)); /*S^5(A)*/
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+
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+ tmp_p = (u32 *)K;
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+ asm("move.l %0, %%a0" : : "m"(tmp_p) : "a0");
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+ asm("move.l %0, %%a1" : : "m"(W) : "a1");
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+
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+ for (i = 0; i < 20; i++) {
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+ /* t = f1(b, c, d) + K1 + rol32(a, 5) + e + W[i]; */
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+ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_HASH+MCFCAU_HFC)); /*f(b,c,d)*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
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+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a1"); /*+W*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_SHS));
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+ }
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+
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+ asm("add.l #4,%%a0" : : : "a0"); /* update K */
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+
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+ for (; i < 40; i++) {
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+ /* t = f2(b, c, d) + K2 + rol32(a, 5) + e + W[i]; */
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+ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_HASH+MCFCAU_HFH)); /*f(b,c,d)*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
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+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a1"); /*+W*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_SHS));
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+ }
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+
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+ asm("add.l #4,%%a0" : : : "a0"); /* update K */
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+
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+ for (; i < 60; i++) {
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+ /* t = f3(b, c, d) + K3 + rol32(a, 5) + e + W[i]; */
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+ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_HASH+MCFCAU_HFM)); /*f(b,c,d)*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
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+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a1"); /*+W*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_SHS));
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+ }
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+
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+ asm("add.l #4,%%a0" : : : "a0"); /* update K */
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+
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+ for (; i < 80; i++) {
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+ /* t = f2(b, c, d) + K4 + rol32(a, 5) + e + W[i]; */
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+ /* e = d; d = c; c = rol32(b, 30); b = a; a = t; */
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_HASH+MCFCAU_HFH)); /*f(b,c,d)*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADRA+MCFCAU_CA4)); /*+e*/
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+ asm("cp0ld.l (%%a0),%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA)); /*+K*/
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+ asm("cp0ld.l (%%a1)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CAA) : "a1"); /*+W*/
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+ asm("cp0ld.l %%d0,%%d0,#1,%0"
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+ : : "n"(MCFCAU_SHS));
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+ }
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+
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+ /* (e) */
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+ asm("move.l %0, %%a0" : : "m"(digest) : "a0");
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CA0) : "a0"); /* +a */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CA1) : "a0"); /* +b */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CA2) : "a0"); /* +c */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CA3) : "a0"); /* +d */
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+ asm("cp0ld.l (%%a0)+,%%d0,#1,%0"
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+ : : "n"(MCFCAU_ADR+MCFCAU_CA4) : "a0"); /* +e */
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+
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+ asm("cp0st.l %%d0,-(%%a0),#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CA4) : "a0");
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+ asm("cp0st.l %%d0,-(%%a0),#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CA3) : "a0");
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+ asm("cp0st.l %%d0,-(%%a0),#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CA2) : "a0");
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+ asm("cp0st.l %%d0,-(%%a0),#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CA1) : "a0");
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+ asm("cp0st.l %%d0,-(%%a0),#1,%0"
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+ : : "n"(MCFCAU_STR+MCFCAU_CA0) : "a0");
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+ spin_unlock_irqrestore(&mcfcau_lock, iflags);
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+}
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+
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+static int mcfcau_sha1_init(struct shash_desc *desc)
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+{
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+ struct mcfcau_sha1_ctx *sctx = shash_desc_ctx(desc);
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+ static const struct mcfcau_sha1_ctx initstate = {
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+ 0,
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+ { 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0 },
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+ { 0, }
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+ };
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+
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+ DBG("mcfcau_sha1_init\n");
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+ *sctx = initstate;
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+
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+ return 0;
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+}
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+
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+static int mcfcau_sha1_update(struct shash_desc *desc, const u8 *data,
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+ unsigned int len)
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+{
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+ struct mcfcau_sha1_ctx *sctx = shash_desc_ctx(desc);
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+ unsigned int partial, done;
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+ const u8 *src;
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+
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+ DBG("mcfcau_sha1_update\n");
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+ partial = sctx->count & 0x3f;
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+ sctx->count += len;
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+ done = 0;
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+ src = data;
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+
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+ if ((partial + len) > 63) {
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+ u32 temp[MCFCAU_SHA1_WORKSPACE_WORDS];
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+
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+ if (partial) {
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+ done = -partial;
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+ memcpy(sctx->buffer + partial, data, done + 64);
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+ src = sctx->buffer;
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+ }
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+
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+ do {
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+ mcfcau_sha1_transform(sctx->state, src, temp);
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+ done += 64;
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+ src = data + done;
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+ } while (done + 63 < len);
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+
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+ memset(temp, 0, sizeof(temp));
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+ partial = 0;
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+ }
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+ memcpy(sctx->buffer + partial, src, len - done);
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+ return 0;
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+}
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+
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+
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+/* Add padding and return the message digest. */
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+static int mcfcau_sha1_final(struct shash_desc *desc, u8 *out)
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+{
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+ struct mcfcau_sha1_ctx *sctx = shash_desc_ctx(desc);
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+ u32 *dst = (u32 *)out;
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+ u32 i, index, padlen;
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+ u64 bits;
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+ static const u8 padding[64] = { 0x80, };
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+
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+ DBG("mcfcau_sha1_final\n");
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+ bits = sctx->count << 3;
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+
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+ /* Pad out to 56 mod 64 */
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+ index = sctx->count & 0x3f;
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+ padlen = (index < 56) ? (56 - index) : ((64+56) - index);
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+ mcfcau_sha1_update(desc, padding, padlen);
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+
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+ /* Append length */
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+ mcfcau_sha1_update(desc, (const u8 *)&bits, sizeof(bits));
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+
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+ /* Store state in digest */
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+ for (i = 0; i < 5; i++)
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+ dst[i] = sctx->state[i];
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+
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+ /* Wipe context */
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+ memset(sctx, 0, sizeof *sctx);
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+
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+ return 0;
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+}
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+
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+static struct shash_alg mcfcau_sha1_alg = {
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+ .init = mcfcau_sha1_init,
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+ .update = mcfcau_sha1_update,
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+ .final = mcfcau_sha1_final,
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+ .digestsize = MCFCAU_SHA1_DIGEST_SIZE,
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+ .descsize = sizeof(struct mcfcau_sha1_ctx),
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+ .statesize = sizeof(struct mcfcau_sha1_ctx),
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+ .base = {
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+ .cra_name = "sha1",
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+ .cra_driver_name = "sha1-mcfcau",
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+ .cra_priority = MCFCAU_CRA_PRIORITY,
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+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
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+ .cra_blocksize = MCFCAU_SHA1_HMAC_BLOCK_SIZE,
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+ .cra_module = THIS_MODULE,
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+ .cra_alignmask = 3,
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+ }
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+};
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+
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+static int __init init(void)
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+{
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+ int ret = crypto_register_shash(&mcfcau_sha1_alg);
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+ printk(KERN_INFO MCFCAU_SHA1_DRIVER_DESC " "
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+ MCFCAU_SHA1_DRIVER_VERSION " %s.\n",
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+ ret ? "failed" : "registered");
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+ return ret;
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+}
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+
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+static void __exit fini(void)
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+{
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+ crypto_unregister_shash(&mcfcau_sha1_alg);
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+ printk(KERN_INFO MCFCAU_SHA1_DRIVER_DESC " "
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+ MCFCAU_SHA1_DRIVER_VERSION " unregistered.\n");
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+}
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+
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+module_init(init);
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+module_exit(fini);
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+
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+MODULE_LICENSE("GPL");
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+MODULE_DESCRIPTION(MCFCAU_SHA1_DRIVER_DESC);
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+MODULE_AUTHOR("Andrey Butok");
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--- /dev/null
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+++ b/drivers/crypto/mcfcau.c
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@@ -0,0 +1,33 @@
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+/***************************************************************************
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+ * mcfcau.c - Implementation of DES & Triple DES EDE Cipher Algorithms
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+ * for Freescale ColdFire Cryptographic Acceleration Unit (CAU).
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+ *
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+ * Copyright (C) 2007-2011 Freescale Semiconductor Inc. All Rights Reserved.
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+ * Author: Andrey Butok
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+ * Shrek Wu B16972@freescale.com
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+ *
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+ * NOTE: You can find the ColdFire CAU module on MCF5445X and MCF52235.
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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
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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+ * for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software Foundation,
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+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ ***************************************************************************
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+ * Changes:
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+ * v0.01 28 September 2006 Andrey Butok
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+ * Initial Release - developed on 2.6.20 Linux kernel.
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+ */
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+#include <linux/module.h>
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+
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+DEFINE_SPINLOCK(mcfcau_lock);
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+EXPORT_SYMBOL(mcfcau_lock);
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--- /dev/null
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+++ b/drivers/crypto/mcfcau.h
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@@ -0,0 +1,101 @@
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+/***************************************************************************
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+ * mcfcau.h - Common header file for Freescale ColdFire
|
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+ * Cryptographic Acceleration Unit (CAU) drivers.
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+ *
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+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
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+ * Author: Andrey Butok
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+ * Shrek Wu B16972@freescale.com
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+ *
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+ * NOTE: You can find the ColdFire CAU module on MCF5445X and MCF52235.
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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
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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+ * for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software Foundation,
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+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ ***************************************************************************
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+ * Changes:
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+ * v0.01 14 August 2007 Andrey Butok
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+ */
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+
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+#ifndef MCFCAU_H
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+#define MCFCAU_H
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+
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+#include <linux/spinlock.h>
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+
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+/* CAU Registers (CAx) */
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+#define MCFCAU_CASR (0x0)
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+#define MCFCAU_CAA (0x1)
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+#define MCFCAU_CA0 (0x2)
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+#define MCFCAU_CA1 (0x3)
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+#define MCFCAU_CA2 (0x4)
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+#define MCFCAU_CA3 (0x5)
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+#define MCFCAU_CA4 (0x6)
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+#define MCFCAU_CA5 (0x7)
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+
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+ /* CAU Commands */
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+#define MCFCAU_CNOP (0x000)
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+#define MCFCAU_LDR (0x010)
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+#define MCFCAU_STR (0x020)
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+#define MCFCAU_ADR (0x030)
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+#define MCFCAU_RADR (0x040)
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+#define MCFCAU_ADRA (0x050)
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+#define MCFCAU_XOR (0x060)
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+#define MCFCAU_ROTL (0x070)
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+#define MCFCAU_MVRA (0x080)
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+#define MCFCAU_MVAR (0x090)
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+#define MCFCAU_AESS (0x0A0)
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+#define MCFCAU_AESIS (0x0B0)
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+#define MCFCAU_AESC (0x0C0)
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+#define MCFCAU_AESIC (0x0D0)
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+#define MCFCAU_AESR (0x0E0)
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+#define MCFCAU_AESIR (0x0F0)
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+#define MCFCAU_DESR (0x100)
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+#define MCFCAU_DESK (0x110)
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+#define MCFCAU_HASH (0x120)
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+#define MCFCAU_SHS (0x130)
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+#define MCFCAU_MDS (0x140)
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+#define MCFCAU_ILL (0x1F0)
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+
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+/* DESR Fields */
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+#define MCFCAU_IP (0x08) /* initial permutation */
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+#define MCFCAU_FP (0x04) /* final permutation */
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+#define MCFCAU_KSL1 (0x00) /* key schedule left 1 bit */
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+#define MCFCAU_KSL2 (0x01) /* key schedule left 2 bits */
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+#define MCFCAU_KSR1 (0x02) /* key schedule right 1 bit */
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+#define MCFCAU_KSR2 (0x03) /* key schedule right 2 bits */
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+
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+/* DESK Field */
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+#define MCFCAU_DC (0x01) /* decrypt key schedule */
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+#define MCFCAU_CP (0x02) /* check parity */
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+
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+/* HASH Functions Codes */
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+#define MCFCAU_HFF (0x0) /* MD5 F() CA1&CA2 | ~CA1&CA3 */
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+#define MCFCAU_HFG (0x1) /* MD5 G() CA1&CA3 | CA2&~CA3 */
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+#define MCFCAU_HFH (0x2) /* MD5 H(), SHA Parity() CA1^CA2^CA3 */
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+#define MCFCAU_HFI (0x3) /* MD5 I() CA2^(CA1|~CA3) */
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+#define MCFCAU_HFC (0x4) /* SHA Ch() CA1&CA2 ^ ~CA1&CA3 */
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+#define MCFCAU_HFM (0x5)
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+/* SHA Maj() CA1&CA2 ^ CA1&CA3 ^ CA2&CA3 */
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+
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+#define MCFCAU_CRA_PRIORITY (300)
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+
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+extern spinlock_t mcfcau_lock;
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+
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+#ifdef DEBUG
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+#define DBG(fmt, args...) printk(KERN_INFO "[%s] " fmt ,\
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+ __func__, ## args)
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+#else
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+#define DBG(fmt, args...) do {} while (0)
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+#endif
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+
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+#endif
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