81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* shabal224.c */
|
|
/*
|
|
This file is part of the AVR-Crypto-Lib.
|
|
Copyright (C) 2009 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 shabal224.c
|
|
* \author Daniel Otte
|
|
* \email daniel.otte@rub.de
|
|
* \date 2009-04-27
|
|
* \license GPLv3 or later
|
|
*
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include "shabal.h"
|
|
#include <avr/pgmspace.h>
|
|
#include <string.h>
|
|
|
|
const uint32_t shabal224_iv[] PROGMEM = {
|
|
/* A */
|
|
0xA5201467, 0xA9B8D94A, 0xD4CED997, 0x68379D7B,
|
|
0xA7FC73BA, 0xF1A2546B, 0x606782BF, 0xE0BCFD0F,
|
|
0x2F25374E, 0x069A149F, 0x5E2DFF25, 0xFAECF061,
|
|
/* B */
|
|
0xEC9905D8, 0xF21850CF, 0xC0A746C8, 0x21DAD498,
|
|
0x35156EEB, 0x088C97F2, 0x26303E40, 0x8A2D4FB5,
|
|
0xFEEE44B6, 0x8A1E9573, 0x7B81111A, 0xCBC139F0,
|
|
0xA3513861, 0x1D2C362E, 0x918C580E, 0xB58E1B9C,
|
|
/* C */
|
|
0xE4B573A1, 0x4C1A0880, 0x1E907C51, 0x04807EFD,
|
|
0x3AD8CDE5, 0x16B21302, 0x02512C53, 0x2204CB18,
|
|
0x99405F2D, 0xE5B648A1, 0x70AB1D43, 0xA10C25C2,
|
|
0x16F1AC05, 0x38BBEB56, 0x9B01DC60, 0xB1096D83
|
|
};
|
|
|
|
void shabal224_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] = pgm_read_dword(&(shabal224_iv[i]));
|
|
}
|
|
for(i=0;i<16;++i){
|
|
ctx->b[i] = pgm_read_dword(&(shabal224_iv[SHABAL_R+i]));
|
|
}
|
|
for(i=0;i<16;++i){
|
|
ctx->c[i] = pgm_read_dword(&(shabal224_iv[SHABAL_R+16+i]));
|
|
}
|
|
}
|
|
|
|
void shabal224_ctx2hash(void *dest, const shabal_ctx_t *ctx){
|
|
shabal_ctx2hash(dest, ctx, 224);
|
|
}
|
|
|
|
void shabal224(void *dest, void *msg, uint32_t length_b){
|
|
shabal_ctx_t ctx;
|
|
shabal224_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);
|
|
shabal224_ctx2hash(dest, &ctx);
|
|
}
|