arm-crypto-lib/shabal/shabal512.c

80 lines
2.3 KiB
C

/* shabal512.c */
/*
This file is part of the ARM-Crypto-Lib.
Copyright (C) 2006-2010 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* \file shabal512.c
* \author Daniel Otte
* \email daniel.otte@rub.de
* \date 2009-04-27
* \license GPLv3 or later
*
*/
#include <stdint.h>
#include "shabal.h"
#include <string.h>
const uint32_t shabal512_iv[] = {
/* A */
0x20728DFD, 0x46C0BD53, 0xE782B699, 0x55304632,
0x71B4EF90, 0x0EA9E82C, 0xDBB930F1, 0xFAD06B8B,
0xBE0CAE40, 0x8BD14410, 0x76D2ADAC, 0x28ACAB7F,
/* B */
0xC1099CB7, 0x07B385F3, 0xE7442C26, 0xCC8AD640,
0xEB6F56C7, 0x1EA81AA9, 0x73B9D314, 0x1DE85D08,
0x48910A5A, 0x893B22DB, 0xC5A0DF44, 0xBBC4324E,
0x72D2F240, 0x75941D99, 0x6D8BDE82, 0xA1A7502B,
/* C */
0xD9BF68D1, 0x58BAD750, 0x56028CB2, 0x8134F359,
0xB5D469D8, 0x941A8CC2, 0x418B2A6E, 0x04052780,
0x7F07D787, 0x5194358F, 0x3C60D665, 0xBE97D79A,
0x950C3434, 0xAED9A06D, 0x2537DC8D, 0x7CDB5969,
};
void shabal512_init(shabal_ctx_t* ctx){
uint8_t i;
ctx->b = ctx->b_buffer;
ctx->c = ctx->c_buffer;
ctx->w.w64 = 1LL;
for(i=0;i<SHABAL_R;++i){
ctx->a[i] = shabal512_iv[i];
}
for(i=0;i<16;++i){
ctx->b[i] = shabal512_iv[SHABAL_R+i];
}
for(i=0;i<16;++i){
ctx->c[i] = shabal512_iv[SHABAL_R+16+i];
}
}
void shabal512_ctx2hash(void* dest, const shabal_ctx_t* ctx){
shabal_ctx2hash(dest, ctx, 512);
}
void shabal512(void* dest, void* msg, uint32_t length_b){
shabal_ctx_t ctx;
shabal512_init(&ctx);
while(length_b>=SHABAL_BLOCKSIZE){
shabal_nextBlock(&ctx, msg);
msg = (uint8_t*)msg+SHABAL_BLOCKSIZE_B;
length_b -= SHABAL_BLOCKSIZE;
}
shabal_lastBlock(&ctx, msg, length_b);
shabal512_ctx2hash(dest, &ctx);
}