mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-14 14:37:31 +02:00
c5552ad039
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73
350 lines
12 KiB
C
350 lines
12 KiB
C
/*******************************************************************************
|
|
Copyright (C) Marvell International Ltd. and its affiliates
|
|
|
|
This software file (the "File") is owned and distributed by Marvell
|
|
International Ltd. and/or its affiliates ("Marvell") under the following
|
|
alternative licensing terms. Once you have made an election to distribute the
|
|
File under one of the following license alternatives, please (i) delete this
|
|
introductory statement regarding license alternatives, (ii) delete the two
|
|
license alternatives that you have not elected to use and (iii) preserve the
|
|
Marvell copyright notice above.
|
|
|
|
********************************************************************************
|
|
Marvell Commercial License Option
|
|
|
|
If you received this File from Marvell and you have entered into a commercial
|
|
license agreement (a "Commercial License") with Marvell, the File is licensed
|
|
to you under the terms of the applicable Commercial License.
|
|
|
|
********************************************************************************
|
|
Marvell GPL License Option
|
|
|
|
If you received this File from Marvell, you may opt to use, redistribute and/or
|
|
modify this File in accordance with the terms and conditions of the General
|
|
Public License Version 2, June 1991 (the "GPL License"), a copy of which is
|
|
available along with the File in the license.txt file or by writing to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
|
|
on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
|
|
|
|
THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
|
|
DISCLAIMED. The GPL License provides additional details about this warranty
|
|
disclaimer.
|
|
********************************************************************************
|
|
Marvell BSD License Option
|
|
|
|
If you received this File from Marvell, you may opt to use, redistribute and/or
|
|
modify this File under the following licensing terms.
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
* Neither the name of Marvell nor the names of its contributors may be
|
|
used to endorse or promote products derived from this software without
|
|
specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*******************************************************************************/
|
|
|
|
#include "mvOs.h"
|
|
#include "mvMD5.h"
|
|
|
|
static void mvMD5Transform(MV_U32 buf[4], MV_U32 const in[MV_MD5_MAC_LEN]);
|
|
|
|
#ifdef MV_CPU_LE
|
|
#define mvByteReverse(buf, len) /* Nothing */
|
|
#else
|
|
static void mvByteReverse(unsigned char *buf, unsigned longs);
|
|
|
|
/*
|
|
* Note: this code is harmless on little-endian machines.
|
|
*/
|
|
static void mvByteReverse(unsigned char *buf, unsigned longs)
|
|
{
|
|
MV_U32 t;
|
|
|
|
do
|
|
{
|
|
t = (MV_U32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
|
|
((unsigned) buf[1] << 8 | buf[0]);
|
|
*(MV_U32 *) buf = t;
|
|
buf += 4;
|
|
} while (--longs);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
|
|
* initialization constants.
|
|
*/
|
|
void mvMD5Init(MV_MD5_CONTEXT *ctx)
|
|
{
|
|
ctx->buf[0] = 0x67452301;
|
|
ctx->buf[1] = 0xefcdab89;
|
|
ctx->buf[2] = 0x98badcfe;
|
|
ctx->buf[3] = 0x10325476;
|
|
|
|
ctx->bits[0] = 0;
|
|
ctx->bits[1] = 0;
|
|
}
|
|
|
|
/*
|
|
* Update context to reflect the concatenation of another buffer full
|
|
* of bytes.
|
|
*/
|
|
void mvMD5Update(MV_MD5_CONTEXT *ctx, unsigned char const *buf, unsigned len)
|
|
{
|
|
MV_U32 t;
|
|
|
|
/* Update bitcount */
|
|
|
|
t = ctx->bits[0];
|
|
if ((ctx->bits[0] = t + ((MV_U32) len << 3)) < t)
|
|
ctx->bits[1]++; /* Carry from low to high */
|
|
ctx->bits[1] += len >> 29;
|
|
|
|
t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
|
|
|
|
/* Handle any leading odd-sized chunks */
|
|
|
|
if (t)
|
|
{
|
|
unsigned char *p = (unsigned char *) ctx->in + t;
|
|
|
|
t = 64 - t;
|
|
if (len < t)
|
|
{
|
|
memcpy(p, buf, len);
|
|
return;
|
|
}
|
|
memcpy(p, buf, t);
|
|
mvByteReverse(ctx->in, MV_MD5_MAC_LEN);
|
|
mvMD5Transform(ctx->buf, (MV_U32 *) ctx->in);
|
|
buf += t;
|
|
len -= t;
|
|
}
|
|
/* Process data in 64-byte chunks */
|
|
|
|
while (len >= 64)
|
|
{
|
|
memcpy(ctx->in, buf, 64);
|
|
mvByteReverse(ctx->in, MV_MD5_MAC_LEN);
|
|
mvMD5Transform(ctx->buf, (MV_U32 *) ctx->in);
|
|
buf += 64;
|
|
len -= 64;
|
|
}
|
|
|
|
/* Handle any remaining bytes of data. */
|
|
|
|
memcpy(ctx->in, buf, len);
|
|
}
|
|
|
|
/*
|
|
* Final wrapup - pad to 64-byte boundary with the bit pattern
|
|
* 1 0* (64-bit count of bits processed, MSB-first)
|
|
*/
|
|
void mvMD5Final(unsigned char digest[MV_MD5_MAC_LEN], MV_MD5_CONTEXT *ctx)
|
|
{
|
|
unsigned count;
|
|
unsigned char *p;
|
|
|
|
/* Compute number of bytes mod 64 */
|
|
count = (ctx->bits[0] >> 3) & 0x3F;
|
|
|
|
/* Set the first char of padding to 0x80. This is safe since there is
|
|
always at least one byte free */
|
|
p = ctx->in + count;
|
|
*p++ = 0x80;
|
|
|
|
/* Bytes of padding needed to make 64 bytes */
|
|
count = 64 - 1 - count;
|
|
|
|
/* Pad out to 56 mod 64 */
|
|
if (count < 8)
|
|
{
|
|
/* Two lots of padding: Pad the first block to 64 bytes */
|
|
memset(p, 0, count);
|
|
mvByteReverse(ctx->in, MV_MD5_MAC_LEN);
|
|
mvMD5Transform(ctx->buf, (MV_U32 *) ctx->in);
|
|
|
|
/* Now fill the next block with 56 bytes */
|
|
memset(ctx->in, 0, 56);
|
|
}
|
|
else
|
|
{
|
|
/* Pad block to 56 bytes */
|
|
memset(p, 0, count - 8);
|
|
}
|
|
mvByteReverse(ctx->in, 14);
|
|
|
|
/* Append length in bits and transform */
|
|
((MV_U32 *) ctx->in)[14] = ctx->bits[0];
|
|
((MV_U32 *) ctx->in)[15] = ctx->bits[1];
|
|
|
|
mvMD5Transform(ctx->buf, (MV_U32 *) ctx->in);
|
|
mvByteReverse((unsigned char *) ctx->buf, 4);
|
|
memcpy(digest, ctx->buf, MV_MD5_MAC_LEN);
|
|
memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */
|
|
}
|
|
|
|
/* The four core functions - F1 is optimized somewhat */
|
|
|
|
/* #define F1(x, y, z) (x & y | ~x & z) */
|
|
#define F1(x, y, z) (z ^ (x & (y ^ z)))
|
|
#define F2(x, y, z) F1(z, x, y)
|
|
#define F3(x, y, z) (x ^ y ^ z)
|
|
#define F4(x, y, z) (y ^ (x | ~z))
|
|
|
|
/* This is the central step in the MD5 algorithm. */
|
|
#define MD5STEP(f, w, x, y, z, data, s) \
|
|
( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
|
|
|
|
/*
|
|
* The core of the MD5 algorithm, this alters an existing MD5 hash to
|
|
* reflect the addition of 16 longwords of new data. MD5Update blocks
|
|
* the data and converts bytes into longwords for this routine.
|
|
*/
|
|
static void mvMD5Transform(MV_U32 buf[4], MV_U32 const in[MV_MD5_MAC_LEN])
|
|
{
|
|
register MV_U32 a, b, c, d;
|
|
|
|
a = buf[0];
|
|
b = buf[1];
|
|
c = buf[2];
|
|
d = buf[3];
|
|
|
|
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
|
|
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
|
|
MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
|
|
MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
|
|
MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
|
|
MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
|
|
MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
|
|
MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
|
|
MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
|
|
MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
|
|
MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
|
|
MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
|
|
MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
|
|
MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
|
|
MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
|
|
MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
|
|
|
|
MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
|
|
MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
|
|
MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
|
|
MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
|
|
MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
|
|
MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
|
|
MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
|
|
MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
|
|
MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
|
|
MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
|
|
MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
|
|
MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
|
|
MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
|
|
MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
|
|
MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
|
|
MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
|
|
|
|
MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
|
|
MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
|
|
MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
|
|
MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
|
|
MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
|
|
MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
|
|
MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
|
|
MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
|
|
MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
|
|
MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
|
|
MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
|
|
MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
|
|
MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
|
|
MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
|
|
MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
|
|
MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
|
|
|
|
MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
|
|
MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
|
|
MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
|
|
MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
|
|
MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
|
|
MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
|
|
MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
|
|
MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
|
|
MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
|
|
MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
|
|
MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
|
|
MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
|
|
MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
|
|
MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
|
|
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
|
|
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
|
|
|
|
buf[0] += a;
|
|
buf[1] += b;
|
|
buf[2] += c;
|
|
buf[3] += d;
|
|
}
|
|
|
|
void mvMD5(unsigned char const *buf, unsigned len, unsigned char* digest)
|
|
{
|
|
MV_MD5_CONTEXT ctx;
|
|
|
|
mvMD5Init(&ctx);
|
|
mvMD5Update(&ctx, buf, len);
|
|
mvMD5Final(digest, &ctx);
|
|
}
|
|
|
|
|
|
void mvHmacMd5(unsigned char const* text, int text_len,
|
|
unsigned char const* key, int key_len,
|
|
unsigned char* digest)
|
|
{
|
|
int i;
|
|
MV_MD5_CONTEXT ctx;
|
|
unsigned char k_ipad[64+1]; /* inner padding - key XORd with ipad */
|
|
unsigned char k_opad[64+1]; /* outer padding - key XORd with opad */
|
|
|
|
/* start out by storing key in pads */
|
|
memset(k_ipad, 0, 64);
|
|
memcpy(k_ipad, key, key_len);
|
|
memset(k_opad, 0, 64);
|
|
memcpy(k_opad, key, key_len);
|
|
|
|
/* XOR key with ipad and opad values */
|
|
for (i=0; i<64; i++)
|
|
{
|
|
k_ipad[i] ^= 0x36;
|
|
k_opad[i] ^= 0x5c;
|
|
}
|
|
|
|
/* perform inner MD5 */
|
|
mvMD5Init(&ctx); /* init ctx for 1st pass */
|
|
mvMD5Update(&ctx, k_ipad, 64); /* start with inner pad */
|
|
mvMD5Update(&ctx, text, text_len); /* then text of datagram */
|
|
mvMD5Final(digest, &ctx); /* finish up 1st pass */
|
|
|
|
/* perform outer MD5 */
|
|
mvMD5Init(&ctx); /* init ctx for 2nd pass */
|
|
mvMD5Update(&ctx, k_opad, 64); /* start with outer pad */
|
|
mvMD5Update(&ctx, digest, 16); /* then results of 1st hash */
|
|
mvMD5Final(digest, &ctx); /* finish up 2nd pass */
|
|
}
|