mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-14 23:20:37 +02:00
240 lines
9.2 KiB
C
240 lines
9.2 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 "mvSHA1.h"
|
||
|
|
|
||
|
|
#define SHA1HANDSOFF
|
||
|
|
|
||
|
|
typedef union
|
||
|
|
{
|
||
|
|
MV_U8 c[64];
|
||
|
|
MV_U32 l[16];
|
||
|
|
|
||
|
|
} CHAR64LONG16;
|
||
|
|
|
||
|
|
static void mvSHA1Transform(MV_U32 state[5], const MV_U8 *buffer);
|
||
|
|
|
||
|
|
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef MV_CPU_LE
|
||
|
|
#define blk0(i) (block->l[i] = (rol(block->l[i], 24) & 0xFF00FF00) | \
|
||
|
|
(rol(block->l[i], 8) & 0x00FF00FF))
|
||
|
|
#else
|
||
|
|
#define blk0(i) block->l[i]
|
||
|
|
#endif
|
||
|
|
#define blk(i) (block->l[i & 15] = rol(block->l[(i + 13) & 15] ^ \
|
||
|
|
block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^ block->l[i & 15], 1))
|
||
|
|
|
||
|
|
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
|
||
|
|
#define R0(v,w,x,y,z,i) \
|
||
|
|
z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + rol(v, 5); \
|
||
|
|
w = rol(w, 30);
|
||
|
|
#define R1(v,w,x,y,z,i) \
|
||
|
|
z += ((w & (x ^ y)) ^ y) + blk(i) + 0x5A827999 + rol(v, 5); \
|
||
|
|
w = rol(w, 30);
|
||
|
|
#define R2(v,w,x,y,z,i) \
|
||
|
|
z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30);
|
||
|
|
#define R3(v,w,x,y,z,i) \
|
||
|
|
z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + rol(v, 5); \
|
||
|
|
w = rol(w, 30);
|
||
|
|
#define R4(v,w,x,y,z,i) \
|
||
|
|
z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
|
||
|
|
w=rol(w, 30);
|
||
|
|
|
||
|
|
/* Hash a single 512-bit block. This is the core of the algorithm. */
|
||
|
|
static void mvSHA1Transform(MV_U32 state[5], const MV_U8 *buffer)
|
||
|
|
{
|
||
|
|
MV_U32 a, b, c, d, e;
|
||
|
|
CHAR64LONG16* block;
|
||
|
|
|
||
|
|
#ifdef SHA1HANDSOFF
|
||
|
|
static MV_U32 workspace[16];
|
||
|
|
|
||
|
|
block = (CHAR64LONG16 *) workspace;
|
||
|
|
memcpy(block, buffer, 64);
|
||
|
|
#else
|
||
|
|
block = (CHAR64LONG16 *) buffer;
|
||
|
|
#endif
|
||
|
|
/* Copy context->state[] to working vars */
|
||
|
|
a = state[0];
|
||
|
|
b = state[1];
|
||
|
|
c = state[2];
|
||
|
|
d = state[3];
|
||
|
|
e = state[4];
|
||
|
|
/* 4 rounds of 20 operations each. Loop unrolled. */
|
||
|
|
R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
|
||
|
|
R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
|
||
|
|
R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
|
||
|
|
R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
|
||
|
|
R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
|
||
|
|
R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
|
||
|
|
R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
|
||
|
|
R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
|
||
|
|
R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
|
||
|
|
R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
|
||
|
|
R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
|
||
|
|
R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
|
||
|
|
R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
|
||
|
|
R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
|
||
|
|
R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
|
||
|
|
R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
|
||
|
|
R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
|
||
|
|
R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
|
||
|
|
R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
|
||
|
|
R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
|
||
|
|
/* Add the working vars back into context.state[] */
|
||
|
|
state[0] += a;
|
||
|
|
state[1] += b;
|
||
|
|
state[2] += c;
|
||
|
|
state[3] += d;
|
||
|
|
state[4] += e;
|
||
|
|
/* Wipe variables */
|
||
|
|
a = b = c = d = e = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void mvSHA1Init(MV_SHA1_CTX* context)
|
||
|
|
{
|
||
|
|
/* SHA1 initialization constants */
|
||
|
|
context->state[0] = 0x67452301;
|
||
|
|
context->state[1] = 0xEFCDAB89;
|
||
|
|
context->state[2] = 0x98BADCFE;
|
||
|
|
context->state[3] = 0x10325476;
|
||
|
|
context->state[4] = 0xC3D2E1F0;
|
||
|
|
context->count[0] = context->count[1] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Run your data through this. */
|
||
|
|
void mvSHA1Update(MV_SHA1_CTX *context, MV_U8 const *data,
|
||
|
|
unsigned int len)
|
||
|
|
{
|
||
|
|
MV_U32 i, j;
|
||
|
|
|
||
|
|
j = (context->count[0] >> 3) & 63;
|
||
|
|
if ((context->count[0] += len << 3) < (len << 3))
|
||
|
|
context->count[1]++;
|
||
|
|
context->count[1] += (len >> 29);
|
||
|
|
if ((j + len) > 63)
|
||
|
|
{
|
||
|
|
memcpy(&context->buffer[j], data, (i = 64-j));
|
||
|
|
mvSHA1Transform(context->state, context->buffer);
|
||
|
|
for ( ; i + 63 < len; i += 64)
|
||
|
|
{
|
||
|
|
mvSHA1Transform(context->state, &data[i]);
|
||
|
|
}
|
||
|
|
j = 0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
i = 0;
|
||
|
|
}
|
||
|
|
memcpy(&context->buffer[j], &data[i], len - i);
|
||
|
|
}
|
||
|
|
|
||
|
|
void mvSHA1Final(MV_U8* digest, MV_SHA1_CTX* context)
|
||
|
|
{
|
||
|
|
MV_U32 i;
|
||
|
|
MV_U8 finalcount[8];
|
||
|
|
|
||
|
|
for (i = 0; i < 8; i++)
|
||
|
|
{
|
||
|
|
finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)] >>
|
||
|
|
((3-(i & 3)) * 8) ) & 255); /* Endian independent */
|
||
|
|
}
|
||
|
|
mvSHA1Update(context, (const unsigned char *) "\200", 1);
|
||
|
|
while ((context->count[0] & 504) != 448)
|
||
|
|
{
|
||
|
|
mvSHA1Update(context, (const unsigned char *) "\0", 1);
|
||
|
|
}
|
||
|
|
mvSHA1Update(context, finalcount, 8); /* Should cause a mvSHA1Transform()
|
||
|
|
*/
|
||
|
|
for (i = 0; i < 20; i++)
|
||
|
|
{
|
||
|
|
digest[i] = (unsigned char)
|
||
|
|
((context->state[i >> 2] >> ((3 - (i & 3)) * 8)) & 255);
|
||
|
|
}
|
||
|
|
/* Wipe variables */
|
||
|
|
i = 0;
|
||
|
|
memset(context->buffer, 0, 64);
|
||
|
|
memset(context->state, 0, 20);
|
||
|
|
memset(context->count, 0, 8);
|
||
|
|
memset(finalcount, 0, 8);
|
||
|
|
|
||
|
|
#ifdef SHA1HANDSOFF /* make SHA1Transform overwrite it's own static vars */
|
||
|
|
mvSHA1Transform(context->state, context->buffer);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void mvSHA1(MV_U8 const *buf, unsigned int len, MV_U8* digest)
|
||
|
|
{
|
||
|
|
MV_SHA1_CTX ctx;
|
||
|
|
|
||
|
|
mvSHA1Init(&ctx);
|
||
|
|
mvSHA1Update(&ctx, buf, len);
|
||
|
|
mvSHA1Final(digest, &ctx);
|
||
|
|
}
|