+++ /dev/null
-/*******************************************************************************
-Copyright (C) Marvell International Ltd. and its affiliates
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-File under one of the following license alternatives, please (i) delete this
-introductory statement regarding license alternatives, (ii) delete the two
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-Marvell copyright notice above.
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-********************************************************************************
-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.
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-********************************************************************************
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-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
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-DISCLAIMED. The GPL License provides additional details about this warranty
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-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.
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- * 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.
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- * Neither the name of Marvell nor the names of its contributors may be
- used to endorse or promote products derived from this software without
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-
-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);
-}
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