81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* shabal192.c */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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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 shabal192.c
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* \author Daniel Otte
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* \email bg@nerilex.org
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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 <avr/pgmspace.h>
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#include <string.h>
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const uint32_t shabal192_iv[] PROGMEM = {
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/* A */
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0xFD749ED4, 0xB798E530, 0x33904B6F, 0x46BDA85E,
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0x076934B4, 0x454B4058, 0x77F74527, 0xFB4CF465,
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0x62931DA9, 0xE778C8DB, 0x22B3998E, 0xAC15CFB9,
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/* B */
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0x58BCBAC4, 0xEC47A08E, 0xAEE933B2, 0xDFCBC824,
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0xA7944804, 0xBF65BDB0, 0x5A9D4502, 0x59979AF7,
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0xC5CEA54E, 0x4B6B8150, 0x16E71909, 0x7D632319,
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0x930573A0, 0xF34C63D1, 0xCAF914B4, 0xFDD6612C,
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/* C */
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0x61550878, 0x89EF2B75, 0xA1660C46, 0x7EF3855B,
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0x7297B58C, 0x1BC67793, 0x7FB1C723, 0xB66FC640,
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0x1A48B71C, 0xF0976D17, 0x088CE80A, 0xA454EDF3,
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0x1C096BF4, 0xAC76224B, 0x5215781C, 0xCD5D2669
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};
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void shabal192_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] = pgm_read_dword(&(shabal192_iv[i]));
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}
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for(i=0;i<16;++i){
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ctx->b[i] = pgm_read_dword(&(shabal192_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] = pgm_read_dword(&(shabal192_iv[SHABAL_R+16+i]));
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}
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}
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void shabal192_ctx2hash(void *dest, const shabal_ctx_t *ctx){
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shabal_ctx2hash(dest, ctx, 192);
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}
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void shabal192(void *dest, void *msg, uint32_t length_b){
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shabal_ctx_t ctx;
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shabal192_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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shabal192_ctx2hash(dest, &ctx);
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}
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