44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* md5-asm.c */
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/*
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This file is part of the Crypto-avr-lib/microcrypt-lib.
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Copyright (C) 2008 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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#include "md5.h"
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#include "uart.h"
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#include <stdint.h>
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#include <string.h>
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#undef DEBUG
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void md5_ctx2hash(md5_hash_t* dest, const md5_ctx_t* state){
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memcpy(dest, state->a, MD5_HASH_BYTES);
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}
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void md5(md5_hash_t* dest, const void* msg, uint32_t length_b){
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md5_ctx_t ctx;
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md5_init(&ctx);
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while(length_b>=MD5_BLOCK_BITS){
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md5_nextBlock(&ctx, msg);
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msg = (uint8_t*)msg + MD5_BLOCK_BYTES;
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length_b -= MD5_BLOCK_BITS;
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}
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md5_lastBlock(&ctx, msg, length_b);
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md5_ctx2hash(dest, &ctx);
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}
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