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/*
* MD5 implementation based on RFC1321.
*
* Copyright (c) 2008 Marko Kreen, Skype Technologies OÜ
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* @file
*
* MD5 cryptographic hash.
*/
#ifndef _USUAL_CRYPTO_MD5_H_
#define _USUAL_CRYPTO_MD5_H_
#include <usual/base.h>
/** Block length for MD5 */
#define MD5_BLOCK_LENGTH 64
/** Result length for MD5 */
#define MD5_DIGEST_LENGTH 16
/** MD5 state */
struct md5_ctx {
uint64_t nbytes;
uint32_t a, b, c, d;
uint32_t buf[16];
};
/** Clean state */
void md5_reset(struct md5_ctx *ctx);
/** Update state with more data */
void md5_update(struct md5_ctx *ctx, const void *data, unsigned int len);
/** Get final result */
void md5_final(struct md5_ctx *ctx, uint8_t *dst);
#endif
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