80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* shabal224.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 shabal224.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 shabal224_iv[] = {
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/* A */
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0xA5201467, 0xA9B8D94A, 0xD4CED997, 0x68379D7B,
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0xA7FC73BA, 0xF1A2546B, 0x606782BF, 0xE0BCFD0F,
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0x2F25374E, 0x069A149F, 0x5E2DFF25, 0xFAECF061,
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/* B */
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0xEC9905D8, 0xF21850CF, 0xC0A746C8, 0x21DAD498,
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0x35156EEB, 0x088C97F2, 0x26303E40, 0x8A2D4FB5,
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0xFEEE44B6, 0x8A1E9573, 0x7B81111A, 0xCBC139F0,
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0xA3513861, 0x1D2C362E, 0x918C580E, 0xB58E1B9C,
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/* C */
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0xE4B573A1, 0x4C1A0880, 0x1E907C51, 0x04807EFD,
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0x3AD8CDE5, 0x16B21302, 0x02512C53, 0x2204CB18,
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0x99405F2D, 0xE5B648A1, 0x70AB1D43, 0xA10C25C2,
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0x16F1AC05, 0x38BBEB56, 0x9B01DC60, 0xB1096D83
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};
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void shabal224_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] = shabal224_iv[i];
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}
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for(i=0;i<16;++i){
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ctx->b[i] = shabal224_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] = shabal224_iv[SHABAL_R+16+i];
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}
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}
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void shabal224_ctx2hash(void* dest, const shabal_ctx_t* ctx){
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shabal_ctx2hash(dest, ctx, 224);
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}
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void shabal224(void* dest, void* msg, uint32_t length_b){
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shabal_ctx_t ctx;
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shabal224_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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shabal224_ctx2hash(dest, &ctx);
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}
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