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 shabal384_iv[] PROGMEM = {
35 0xC8FCA331, 0xE55C504E, 0x003EBF26, 0xBB6B8D83,
36 0x7B0448C1, 0x41B82789, 0x0A7C9601, 0x8D659CFF,
37 0xB6E2673E, 0xCA54C77B, 0x1460FD7E, 0x3FCB8F2D,
39 0x527291FC, 0x2A16455F, 0x78E627E5, 0x944F169F,
40 0x1CA6F016, 0xA854EA25, 0x8DB98ABE, 0xF2C62641,
41 0x30117DCB, 0xCF5C4309, 0x93711A25, 0xF9F671B8,
42 0xB01D2116, 0x333F4B89, 0xB285D165, 0x86829B36,
44 0xF764B11A, 0x76172146, 0xCEF6934D, 0xC6D28399,
45 0xFE095F61, 0x5E6018B4, 0x5048ECF5, 0x51353261,
46 0x6E6E36DC, 0x63130DAD, 0xA9C69BD6, 0x1E90EA0C,
47 0x7C35073B, 0x28D95E6D, 0xAA340E0D, 0xCB3DEE70
50 void shabal384_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(&(shabal384_iv[i]));
59 ctx->b[i] = pgm_read_dword(&(shabal384_iv[SHABAL_R+i]));
62 ctx->c[i] = pgm_read_dword(&(shabal384_iv[SHABAL_R+16+i]));
66 void shabal384_ctx2hash(void* dest, const shabal_ctx_t* ctx){
67 shabal_ctx2hash(dest, ctx, 384);
70 void shabal384(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 shabal384_ctx2hash(dest, &ctx);