mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
c4f932f4d7
Mostly a copy&paste from other hash functions, with changes where required. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
|
|
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVUTIL_MD5_H
|
|
#define AVUTIL_MD5_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "attributes.h"
|
|
#include "version.h"
|
|
|
|
/**
|
|
* @defgroup lavu_md5 MD5
|
|
* @ingroup lavu_crypto
|
|
* @{
|
|
*/
|
|
|
|
extern const int av_md5_size;
|
|
|
|
struct AVMD5;
|
|
|
|
/**
|
|
* Allocate an AVMD5 context.
|
|
*/
|
|
struct AVMD5 *av_md5_alloc(void);
|
|
|
|
/**
|
|
* Initialize MD5 hashing.
|
|
*
|
|
* @param ctx pointer to the function context (of size av_md5_size)
|
|
*/
|
|
void av_md5_init(struct AVMD5 *ctx);
|
|
|
|
/**
|
|
* Update hash value.
|
|
*
|
|
* @param ctx hash function context
|
|
* @param src input data to update hash with
|
|
* @param len input data length
|
|
*/
|
|
void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, int len);
|
|
|
|
/**
|
|
* Finish hashing and output digest value.
|
|
*
|
|
* @param ctx hash function context
|
|
* @param dst buffer where output digest value is stored
|
|
*/
|
|
void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
|
|
|
|
/**
|
|
* Hash an array of data.
|
|
*
|
|
* @param dst The output buffer to write the digest into
|
|
* @param src The data to hash
|
|
* @param len The length of the data, in bytes
|
|
*/
|
|
void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* AVUTIL_MD5_H */
|