3 This file is part of the AVR-Crypto-Lib.
4 Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * \email daniel.otte@rub.de
24 * \license GPLv3 or later
30 #include <avr/pgmspace.h>
33 const uint32_t shabal192_iv[] PROGMEM = {
35 0xFD749ED4, 0xB798E530, 0x33904B6F, 0x46BDA85E,
36 0x076934B4, 0x454B4058, 0x77F74527, 0xFB4CF465,
37 0x62931DA9, 0xE778C8DB, 0x22B3998E, 0xAC15CFB9,
39 0x58BCBAC4, 0xEC47A08E, 0xAEE933B2, 0xDFCBC824,
40 0xA7944804, 0xBF65BDB0, 0x5A9D4502, 0x59979AF7,
41 0xC5CEA54E, 0x4B6B8150, 0x16E71909, 0x7D632319,
42 0x930573A0, 0xF34C63D1, 0xCAF914B4, 0xFDD6612C,
44 0x61550878, 0x89EF2B75, 0xA1660C46, 0x7EF3855B,
45 0x7297B58C, 0x1BC67793, 0x7FB1C723, 0xB66FC640,
46 0x1A48B71C, 0xF0976D17, 0x088CE80A, 0xA454EDF3,
47 0x1C096BF4, 0xAC76224B, 0x5215781C, 0xCD5D2669
50 void shabal192_init(shabal_ctx_t* ctx){
52 ctx->b = ctx->b_buffer;
53 ctx->c = ctx->c_buffer;
55 for(i=0;i<SHABAL_R;++i){
56 ctx->a[i] = pgm_read_dword(&(shabal192_iv[i]));
59 ctx->b[i] = pgm_read_dword(&(shabal192_iv[SHABAL_R+i]));
62 ctx->c[i] = pgm_read_dword(&(shabal192_iv[SHABAL_R+16+i]));
66 void shabal192_ctx2hash(void* dest, const shabal_ctx_t* ctx){
67 shabal_ctx2hash(dest, ctx, 192);
70 void shabal192(void* dest, void* msg, uint32_t length_b){
73 while(length_b>=SHABAL_BLOCKSIZE){
74 shabal_nextBlock(&ctx, msg);
75 msg = (uint8_t*)msg+SHABAL_BLOCKSIZE_B;
76 length_b -= SHABAL_BLOCKSIZE;
78 shabal_lastBlock(&ctx, msg, length_b);
79 shabal192_ctx2hash(dest, &ctx);