80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* shabal512.c */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2006-2010 Daniel Otte (daniel.otte@rub.de)
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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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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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/*
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* \file shabal512.c
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* \author Daniel Otte
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* \email daniel.otte@rub.de
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* \date 2009-04-27
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* \license GPLv3 or later
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*
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*/
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#include <stdint.h>
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#include "shabal.h"
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#include <string.h>
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const uint32_t shabal512_iv[] = {
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/* A */
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0x20728DFD, 0x46C0BD53, 0xE782B699, 0x55304632,
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0x71B4EF90, 0x0EA9E82C, 0xDBB930F1, 0xFAD06B8B,
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0xBE0CAE40, 0x8BD14410, 0x76D2ADAC, 0x28ACAB7F,
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/* B */
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0xC1099CB7, 0x07B385F3, 0xE7442C26, 0xCC8AD640,
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0xEB6F56C7, 0x1EA81AA9, 0x73B9D314, 0x1DE85D08,
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0x48910A5A, 0x893B22DB, 0xC5A0DF44, 0xBBC4324E,
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0x72D2F240, 0x75941D99, 0x6D8BDE82, 0xA1A7502B,
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/* C */
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0xD9BF68D1, 0x58BAD750, 0x56028CB2, 0x8134F359,
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0xB5D469D8, 0x941A8CC2, 0x418B2A6E, 0x04052780,
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0x7F07D787, 0x5194358F, 0x3C60D665, 0xBE97D79A,
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0x950C3434, 0xAED9A06D, 0x2537DC8D, 0x7CDB5969,
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};
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void shabal512_init(shabal_ctx_t* ctx){
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uint8_t i;
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ctx->b = ctx->b_buffer;
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ctx->c = ctx->c_buffer;
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ctx->w.w64 = 1LL;
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for(i=0;i<SHABAL_R;++i){
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ctx->a[i] = shabal512_iv[i];
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}
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for(i=0;i<16;++i){
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ctx->b[i] = shabal512_iv[SHABAL_R+i];
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}
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for(i=0;i<16;++i){
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ctx->c[i] = shabal512_iv[SHABAL_R+16+i];
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}
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}
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void shabal512_ctx2hash(void* dest, const shabal_ctx_t* ctx){
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shabal_ctx2hash(dest, ctx, 512);
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}
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void shabal512(void* dest, void* msg, uint32_t length_b){
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shabal_ctx_t ctx;
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shabal512_init(&ctx);
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while(length_b>=SHABAL_BLOCKSIZE){
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shabal_nextBlock(&ctx, msg);
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msg = (uint8_t*)msg+SHABAL_BLOCKSIZE_B;
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length_b -= SHABAL_BLOCKSIZE;
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}
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shabal_lastBlock(&ctx, msg, length_b);
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shabal512_ctx2hash(dest, &ctx);
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}
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