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 shabal512_iv[] PROGMEM = {
35 0x20728DFD, 0x46C0BD53, 0xE782B699, 0x55304632,
36 0x71B4EF90, 0x0EA9E82C, 0xDBB930F1, 0xFAD06B8B,
37 0xBE0CAE40, 0x8BD14410, 0x76D2ADAC, 0x28ACAB7F,
39 0xC1099CB7, 0x07B385F3, 0xE7442C26, 0xCC8AD640,
40 0xEB6F56C7, 0x1EA81AA9, 0x73B9D314, 0x1DE85D08,
41 0x48910A5A, 0x893B22DB, 0xC5A0DF44, 0xBBC4324E,
42 0x72D2F240, 0x75941D99, 0x6D8BDE82, 0xA1A7502B,
44 0xD9BF68D1, 0x58BAD750, 0x56028CB2, 0x8134F359,
45 0xB5D469D8, 0x941A8CC2, 0x418B2A6E, 0x04052780,
46 0x7F07D787, 0x5194358F, 0x3C60D665, 0xBE97D79A,
47 0x950C3434, 0xAED9A06D, 0x2537DC8D, 0x7CDB5969,
50 void shabal512_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(&(shabal512_iv[i]));
59 ctx->b[i] = pgm_read_dword(&(shabal512_iv[SHABAL_R+i]));
62 ctx->c[i] = pgm_read_dword(&(shabal512_iv[SHABAL_R+16+i]));
66 void shabal512_ctx2hash(void* dest, const shabal_ctx_t* ctx){
67 shabal_ctx2hash(dest, ctx, 512);
70 void shabal512(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 shabal512_ctx2hash(dest, &ctx);