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Merge PR #831: SHA-0 Implementation replacement from GPLv3 to Apache License
This commit is contained in:
Davide Beatrici
GitHub
commit
740a4aafe1
@ -4516,308 +4516,144 @@ final:
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/////////////////////////
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// SHA0 implementation //
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/////////////////////////
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//
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// From: https://bitbucket.org/Polarina/ampheck/src/097585ce2a74/src/
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// Source codes from:
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// https://android.googlesource.com/platform/system/core/+/81df1cc77722000f8d0025c1ab00ced123aa573c/libmincrypt/sha.c
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// https://android.googlesource.com/platform/system/core/+/81df1cc77722000f8d0025c1ab00ced123aa573c/include/mincrypt/hash-internal.h
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// https://android.googlesource.com/platform/system/core/+/81df1cc77722000f8d0025c1ab00ced123aa573c/include/mincrypt/sha.h
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/*
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Copyright (C) 2009 Gabriel A. Petursson
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* Copyright 2013 The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Google Inc. nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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#define rol(bits, value) (((value) << (bits)) | ((value) >> (32 - (bits))))
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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, see <http://www.gnu.org/licenses/>.
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*/
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typedef struct MY_SHA0_CTX {
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// const HASH_VTAB * f;
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UINT64 count;
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UCHAR buf[64];
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UINT state[8]; // upto SHA2
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} MY_SHA0_CTX;
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struct ampheck_sha0
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{
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UINT h[5];
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UCHAR buffer[64];
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UINT64 length;
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};
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#define ROR(x, y) (((x) >> (y)) ^ ((x) << ((sizeof(x) * 8) - (y))))
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#define ROL(x, y) (((x) << (y)) ^ ((x) >> ((sizeof(x) * 8) - (y))))
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#define UNPACK_32_BE(x, str) { \
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*((str)) = (UCHAR) ((x) >> 24); \
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*((str) + 1) = (UCHAR) ((x) >> 16); \
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*((str) + 2) = (UCHAR) ((x) >> 8); \
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*((str) + 3) = (UCHAR) (x); \
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#define MY_SHA0_DIGEST_SIZE 20
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static void MY_SHA0_Transform(MY_SHA0_CTX* ctx) {
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UINT W[80];
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UINT A, B, C, D, E;
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UCHAR* p = ctx->buf;
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int t;
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for(t = 0; t < 16; ++t) {
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UINT tmp = *p++ << 24;
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tmp |= *p++ << 16;
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tmp |= *p++ << 8;
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tmp |= *p++;
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W[t] = tmp;
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}
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for(; t < 80; t++) {
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//W[t] = rol(1,W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]);
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W[t] = (1,W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]);
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}
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A = ctx->state[0];
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B = ctx->state[1];
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C = ctx->state[2];
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D = ctx->state[3];
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E = ctx->state[4];
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for(t = 0; t < 80; t++) {
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UINT tmp = rol(5,A) + E + W[t];
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if (t < 20)
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tmp += (D^(B&(C^D))) + 0x5A827999;
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else if ( t < 40)
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tmp += (B^C^D) + 0x6ED9EBA1;
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else if ( t < 60)
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tmp += ((B&C)|(D&(B|C))) + 0x8F1BBCDC;
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else
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tmp += (B^C^D) + 0xCA62C1D6;
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E = D;
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D = C;
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C = rol(30,B);
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B = A;
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A = tmp;
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}
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ctx->state[0] += A;
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ctx->state[1] += B;
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ctx->state[2] += C;
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ctx->state[3] += D;
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ctx->state[4] += E;
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}
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#define UNPACK_64_BE(x, str) { \
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*((str)) = (UCHAR) ((x) >> 56); \
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*((str) + 1) = (UCHAR) ((x) >> 48); \
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*((str) + 2) = (UCHAR) ((x) >> 40); \
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*((str) + 3) = (UCHAR) ((x) >> 32); \
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*((str) + 4) = (UCHAR) ((x) >> 24); \
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*((str) + 5) = (UCHAR) ((x) >> 16); \
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*((str) + 6) = (UCHAR) ((x) >> 8); \
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*((str) + 7) = (UCHAR) (x); \
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void MY_SHA0_init(MY_SHA0_CTX* ctx) {
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//ctx->f = &SHA_VTAB;
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ctx->state[0] = 0x67452301;
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ctx->state[1] = 0xEFCDAB89;
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ctx->state[2] = 0x98BADCFE;
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ctx->state[3] = 0x10325476;
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ctx->state[4] = 0xC3D2E1F0;
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ctx->count = 0;
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}
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#define PACK_32_BE(str, x) { \
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*(x) = ((UINT) *((str) ) << 24) \
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^ ((UINT) *((str) + 1) << 16) \
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^ ((UINT) *((str) + 2) << 8) \
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^ ((UINT) *((str) + 3)); \
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}
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#define PACK_64_BE(str, x) { \
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*(x) = ((UINT64) *((str) ) << 56) \
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^ ((UINT64) *((str) + 1) << 48) \
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^ ((UINT64) *((str) + 2) << 40) \
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^ ((UINT64) *((str) + 3) << 32) \
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^ ((UINT64) *((str) + 4) << 24) \
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^ ((UINT64) *((str) + 5) << 16) \
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^ ((UINT64) *((str) + 6) << 8) \
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^ ((UINT64) *((str) + 7)); \
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}
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#define UNPACK_32_LE(x, str) { \
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*((str)) = (UCHAR) (x); \
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*((str) + 1) = (UCHAR) ((x) >> 8); \
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*((str) + 2) = (UCHAR) ((x) >> 16); \
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*((str) + 3) = (UCHAR) ((x) >> 24); \
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}
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#define UNPACK_64_LE(x, str) { \
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*((str)) = (UCHAR) (x); \
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*((str) + 1) = (UCHAR) ((x) >> 8); \
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*((str) + 2) = (UCHAR) ((x) >> 16); \
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*((str) + 3) = (UCHAR) ((x) >> 24); \
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*((str) + 4) = (UCHAR) ((x) >> 32); \
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*((str) + 5) = (UCHAR) ((x) >> 40); \
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*((str) + 6) = (UCHAR) ((x) >> 48); \
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*((str) + 7) = (UCHAR) ((x) >> 56); \
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}
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#define PACK_32_LE(str, x) { \
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*(x) = ((UINT) *((str) )) \
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^ ((UINT) *((str) + 1) << 8) \
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^ ((UINT) *((str) + 2) << 16) \
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^ ((UINT) *((str) + 3) << 24); \
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}
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#define PACK_64_LE(str, x) { \
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*(x) = ((UINT64) *((str) )) \
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^ ((UINT64) *((str) + 1) << 8) \
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^ ((UINT64) *((str) + 2) << 16) \
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^ ((UINT64) *((str) + 3) << 24) \
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^ ((UINT64) *((str) + 4) << 32) \
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^ ((UINT64) *((str) + 5) << 40) \
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^ ((UINT64) *((str) + 6) << 48) \
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^ ((UINT64) *((str) + 7) << 56); \
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}
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#define SHA0_R1(x, y, z) ((z ^ (x & (y ^ z))) + 0x5a827999)
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#define SHA0_R2(x, y, z) ((x ^ y ^ z) + 0x6ed9eba1)
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#define SHA0_R3(x, y, z) (((x & y) | (z & (x | y))) + 0x8f1bbcdc)
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#define SHA0_R4(x, y, z) ((x ^ y ^ z) + 0xca62c1d6)
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#define SHA0_PRC(a, b, c, d, e, idx, rnd) { \
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wv[e] += ROR(wv[a], 27) + SHA0_R##rnd(wv[b], wv[c], wv[d]) + idx; \
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wv[b] = ROR(wv[b], 2); \
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}
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#define SHA0_EXT(i) ( \
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w[i] ^= w[(i - 3) & 0x0F] ^ w[(i - 8) & 0x0F] ^ w[(i - 14) & 0x0F] \
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)
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static void ampheck_sha0_init(struct ampheck_sha0 *ctx);
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static void ampheck_sha0_update(struct ampheck_sha0 *ctx, const UCHAR *data, UINT length);
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static void ampheck_sha0_finish(const struct ampheck_sha0 *ctx, UCHAR *digest);
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static void ampheck_sha0_init(struct ampheck_sha0 *ctx)
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{
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ctx->h[0] = 0x67452301;
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ctx->h[1] = 0xefcdab89;
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ctx->h[2] = 0x98badcfe;
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ctx->h[3] = 0x10325476;
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ctx->h[4] = 0xc3d2e1f0;
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ctx->length = 0;
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}
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static void ampheck_sha0_transform(struct ampheck_sha0 *ctx, const UCHAR *data, UINT blocks)
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{
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UINT i;
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for (i = 0; i < blocks; ++i)
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{
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UINT wv[5];
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UINT w[16];
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PACK_32_BE(&data[(i << 6) ], &w[ 0]);
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PACK_32_BE(&data[(i << 6) + 4], &w[ 1]);
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PACK_32_BE(&data[(i << 6) + 8], &w[ 2]);
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PACK_32_BE(&data[(i << 6) + 12], &w[ 3]);
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PACK_32_BE(&data[(i << 6) + 16], &w[ 4]);
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PACK_32_BE(&data[(i << 6) + 20], &w[ 5]);
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PACK_32_BE(&data[(i << 6) + 24], &w[ 6]);
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PACK_32_BE(&data[(i << 6) + 28], &w[ 7]);
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PACK_32_BE(&data[(i << 6) + 32], &w[ 8]);
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PACK_32_BE(&data[(i << 6) + 36], &w[ 9]);
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PACK_32_BE(&data[(i << 6) + 40], &w[10]);
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PACK_32_BE(&data[(i << 6) + 44], &w[11]);
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PACK_32_BE(&data[(i << 6) + 48], &w[12]);
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PACK_32_BE(&data[(i << 6) + 52], &w[13]);
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PACK_32_BE(&data[(i << 6) + 56], &w[14]);
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PACK_32_BE(&data[(i << 6) + 60], &w[15]);
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wv[0] = ctx->h[0];
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wv[1] = ctx->h[1];
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wv[2] = ctx->h[2];
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wv[3] = ctx->h[3];
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wv[4] = ctx->h[4];
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SHA0_PRC(0, 1, 2, 3, 4, w[ 0], 1);
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SHA0_PRC(4, 0, 1, 2, 3, w[ 1], 1);
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SHA0_PRC(3, 4, 0, 1, 2, w[ 2], 1);
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SHA0_PRC(2, 3, 4, 0, 1, w[ 3], 1);
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SHA0_PRC(1, 2, 3, 4, 0, w[ 4], 1);
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SHA0_PRC(0, 1, 2, 3, 4, w[ 5], 1);
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SHA0_PRC(4, 0, 1, 2, 3, w[ 6], 1);
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SHA0_PRC(3, 4, 0, 1, 2, w[ 7], 1);
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SHA0_PRC(2, 3, 4, 0, 1, w[ 8], 1);
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SHA0_PRC(1, 2, 3, 4, 0, w[ 9], 1);
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SHA0_PRC(0, 1, 2, 3, 4, w[10], 1);
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SHA0_PRC(4, 0, 1, 2, 3, w[11], 1);
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SHA0_PRC(3, 4, 0, 1, 2, w[12], 1);
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SHA0_PRC(2, 3, 4, 0, 1, w[13], 1);
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SHA0_PRC(1, 2, 3, 4, 0, w[14], 1);
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SHA0_PRC(0, 1, 2, 3, 4, w[15], 1);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 0), 1);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 1), 1);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 2), 1);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 3), 1);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 4), 2);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 5), 2);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 6), 2);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 7), 2);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 8), 2);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 9), 2);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT(10), 2);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT(11), 2);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT(12), 2);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT(13), 2);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT(14), 2);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT(15), 2);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 0), 2);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 1), 2);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 2), 2);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 3), 2);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 4), 2);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 5), 2);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 6), 2);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 7), 2);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 8), 3);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 9), 3);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT(10), 3);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT(11), 3);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT(12), 3);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT(13), 3);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT(14), 3);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT(15), 3);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 0), 3);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 1), 3);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 2), 3);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 3), 3);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 4), 3);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 5), 3);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 6), 3);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 7), 3);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 8), 3);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 9), 3);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT(10), 3);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT(11), 3);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT(12), 4);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT(13), 4);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT(14), 4);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT(15), 4);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 0), 4);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 1), 4);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 2), 4);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 3), 4);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 4), 4);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT( 5), 4);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT( 6), 4);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT( 7), 4);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT( 8), 4);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT( 9), 4);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT(10), 4);
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SHA0_PRC(0, 1, 2, 3, 4, SHA0_EXT(11), 4);
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SHA0_PRC(4, 0, 1, 2, 3, SHA0_EXT(12), 4);
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SHA0_PRC(3, 4, 0, 1, 2, SHA0_EXT(13), 4);
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SHA0_PRC(2, 3, 4, 0, 1, SHA0_EXT(14), 4);
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SHA0_PRC(1, 2, 3, 4, 0, SHA0_EXT(15), 4);
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ctx->h[0] += wv[0];
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ctx->h[1] += wv[1];
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ctx->h[2] += wv[2];
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ctx->h[3] += wv[3];
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ctx->h[4] += wv[4];
|
||||
void MY_SHA0_update(MY_SHA0_CTX* ctx, const void* data, int len) {
|
||||
int i = (int) (ctx->count & 63);
|
||||
const UCHAR* p = (const UCHAR*)data;
|
||||
ctx->count += len;
|
||||
while (len--) {
|
||||
ctx->buf[i++] = *p++;
|
||||
if (i == 64) {
|
||||
MY_SHA0_Transform(ctx);
|
||||
i = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void ampheck_sha0_update(struct ampheck_sha0 *ctx, const UCHAR *data, UINT size)
|
||||
{
|
||||
UINT tmp = size;
|
||||
|
||||
if (size >= 64 - ctx->length % 64)
|
||||
{
|
||||
memcpy(&ctx->buffer[ctx->length % 64], data, 64 - ctx->length % 64);
|
||||
|
||||
data += 64 - ctx->length % 64;
|
||||
size -= 64 - ctx->length % 64;
|
||||
|
||||
ampheck_sha0_transform(ctx, ctx->buffer, 1);
|
||||
ampheck_sha0_transform(ctx, data, size / 64);
|
||||
|
||||
data += size & ~63;
|
||||
size %= 64;
|
||||
|
||||
memcpy(ctx->buffer, data, size);
|
||||
const UCHAR* MY_SHA0_final(MY_SHA0_CTX* ctx) {
|
||||
UCHAR *p = ctx->buf;
|
||||
UINT64 cnt = ctx->count * 8;
|
||||
int i;
|
||||
MY_SHA0_update(ctx, (UCHAR*)"\x80", 1);
|
||||
while ((ctx->count & 63) != 56) {
|
||||
MY_SHA0_update(ctx, (UCHAR*)"\0", 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
memcpy(&ctx->buffer[ctx->length % 64], data, size);
|
||||
for (i = 0; i < 8; ++i) {
|
||||
UCHAR tmp = (UCHAR) (cnt >> ((7 - i) * 8));
|
||||
MY_SHA0_update(ctx, &tmp, 1);
|
||||
}
|
||||
|
||||
ctx->length += tmp;
|
||||
for (i = 0; i < 5; i++) {
|
||||
UINT tmp = ctx->state[i];
|
||||
*p++ = tmp >> 24;
|
||||
*p++ = tmp >> 16;
|
||||
*p++ = tmp >> 8;
|
||||
*p++ = tmp >> 0;
|
||||
}
|
||||
return ctx->buf;
|
||||
}
|
||||
|
||||
static void ampheck_sha0_finish(const struct ampheck_sha0 *ctx, UCHAR *digest)
|
||||
{
|
||||
struct ampheck_sha0 tmp;
|
||||
|
||||
memcpy(tmp.h, ctx->h, 5 * sizeof(UINT));
|
||||
memcpy(tmp.buffer, ctx->buffer, ctx->length % 64);
|
||||
|
||||
tmp.buffer[ctx->length % 64] = 0x80;
|
||||
|
||||
if (ctx->length % 64 < 56)
|
||||
{
|
||||
memset(&tmp.buffer[ctx->length % 64 + 1], 0x00, 55 - ctx->length % 64);
|
||||
}
|
||||
else
|
||||
{
|
||||
memset(&tmp.buffer[ctx->length % 64 + 1], 0x00, 63 - ctx->length % 64);
|
||||
ampheck_sha0_transform(&tmp, tmp.buffer, 1);
|
||||
|
||||
memset(tmp.buffer, 0x00, 56);
|
||||
}
|
||||
|
||||
UNPACK_64_BE(ctx->length * 8, &tmp.buffer[56]);
|
||||
ampheck_sha0_transform(&tmp, tmp.buffer, 1);
|
||||
|
||||
UNPACK_32_BE(tmp.h[0], &digest[ 0]);
|
||||
UNPACK_32_BE(tmp.h[1], &digest[ 4]);
|
||||
UNPACK_32_BE(tmp.h[2], &digest[ 8]);
|
||||
UNPACK_32_BE(tmp.h[3], &digest[12]);
|
||||
UNPACK_32_BE(tmp.h[4], &digest[16]);
|
||||
/* Convenience function */
|
||||
const UCHAR* MY_SHA0_hash(const void* data, int len, UCHAR* digest) {
|
||||
MY_SHA0_CTX ctx;
|
||||
MY_SHA0_init(&ctx);
|
||||
MY_SHA0_update(&ctx, data, len);
|
||||
memcpy(digest, MY_SHA0_final(&ctx), MY_SHA0_DIGEST_SIZE);
|
||||
return digest;
|
||||
}
|
||||
|
||||
static void Internal_Sha0(unsigned char *dest, const unsigned char *src, const UINT size)
|
||||
{
|
||||
struct ampheck_sha0 c;
|
||||
|
||||
ampheck_sha0_init(&c);
|
||||
ampheck_sha0_update(&c, src, size);
|
||||
ampheck_sha0_finish(&c, dest);
|
||||
MY_SHA0_hash(src, (int)size, dest);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user