56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/* md5.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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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: md5.h
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* Author: Daniel Otte
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* Date: 31.07.2006
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* License: GPL
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* Description: Implementation of the MD5 hash algorithm as described in RFC 1321
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*
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*/
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#ifndef MD5_H_
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#define MD5_H_
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#include <stdint.h>
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#define MD5_HASH_BITS 128
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#define MD5_HASH_BYTES (MD5_HASH_BITS/8)
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#define MD5_BLOCK_BITS 512
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#define MD5_BLOCK_BYTES (MD5_BLOCK_BITS/8)
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typedef struct md5_ctx_st {
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uint32_t a[4];
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uint32_t counter;
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} md5_ctx_t;
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typedef uint8_t md5_hash_t[MD5_HASH_BYTES];
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void md5_init(md5_ctx_t *s);
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void md5_nextBlock(md5_ctx_t *state, const void *block);
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void md5_lastBlock(md5_ctx_t *state, const void *block, uint16_t length);
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void md5_ctx2hash(md5_hash_t *dest, const md5_ctx_t *state);
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void md5(md5_hash_t *dest, const void *msg, uint32_t length_b);
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#endif /*MD5_H_*/
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