81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
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/* shabal384.c */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
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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 shabal384.c
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* \author Daniel Otte
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* \email daniel.otte@rub.de
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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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uint32_t shabal384_iv[] PROGMEM = {
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/* A */
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0xC8FCA331, 0xE55C504E, 0x003EBF26, 0xBB6B8D83,
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0x7B0448C1, 0x41B82789, 0x0A7C9601, 0x8D659CFF,
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0xB6E2673E, 0xCA54C77B, 0x1460FD7E, 0x3FCB8F2D,
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/* B */
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0x527291FC, 0x2A16455F, 0x78E627E5, 0x944F169F,
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0x1CA6F016, 0xA854EA25, 0x8DB98ABE, 0xF2C62641,
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0x30117DCB, 0xCF5C4309, 0x93711A25, 0xF9F671B8,
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0xB01D2116, 0x333F4B89, 0xB285D165, 0x86829B36,
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/* C */
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0xF764B11A, 0x76172146, 0xCEF6934D, 0xC6D28399,
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0xFE095F61, 0x5E6018B4, 0x5048ECF5, 0x51353261,
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0x6E6E36DC, 0x63130DAD, 0xA9C69BD6, 0x1E90EA0C,
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0x7C35073B, 0x28D95E6D, 0xAA340E0D, 0xCB3DEE70
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};
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void shabal384_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(&(shabal384_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(&(shabal384_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(&(shabal384_iv[SHABAL_R+16+i]));
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}
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}
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void shabal384_ctx2hash(void* dest, const shabal_ctx_t* ctx){
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shabal_ctx2hash(dest, ctx, 384);
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}
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void shabal384(void* dest, void* msg, uint32_t length_b){
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shabal_ctx_t ctx;
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shabal384_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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shabal384_ctx2hash(dest, &ctx);
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}
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