arm-crypto-lib/shabal/shabal384.c

80 lines
2.3 KiB
C

/* shabal384.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 shabal384.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 shabal384_iv[] = {
/* A */
0xC8FCA331, 0xE55C504E, 0x003EBF26, 0xBB6B8D83,
0x7B0448C1, 0x41B82789, 0x0A7C9601, 0x8D659CFF,
0xB6E2673E, 0xCA54C77B, 0x1460FD7E, 0x3FCB8F2D,
/* B */
0x527291FC, 0x2A16455F, 0x78E627E5, 0x944F169F,
0x1CA6F016, 0xA854EA25, 0x8DB98ABE, 0xF2C62641,
0x30117DCB, 0xCF5C4309, 0x93711A25, 0xF9F671B8,
0xB01D2116, 0x333F4B89, 0xB285D165, 0x86829B36,
/* C */
0xF764B11A, 0x76172146, 0xCEF6934D, 0xC6D28399,
0xFE095F61, 0x5E6018B4, 0x5048ECF5, 0x51353261,
0x6E6E36DC, 0x63130DAD, 0xA9C69BD6, 0x1E90EA0C,
0x7C35073B, 0x28D95E6D, 0xAA340E0D, 0xCB3DEE70
};
void shabal384_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] = shabal384_iv[i];
}
for(i=0;i<16;++i){
ctx->b[i] = shabal384_iv[SHABAL_R+i];
}
for(i=0;i<16;++i){
ctx->c[i] = shabal384_iv[SHABAL_R+16+i];
}
}
void shabal384_ctx2hash(void* dest, const shabal_ctx_t* ctx){
shabal_ctx2hash(dest, ctx, 384);
}
void shabal384(void* dest, void* msg, uint32_t length_b){
shabal_ctx_t ctx;
shabal384_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);
shabal384_ctx2hash(dest, &ctx);
}