FFmpeg 4.4.5
Loading...
Searching...
No Matches
ripemd.h
Go to the documentation of this file.
1/*
2 * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
3 * Copyright (C) 2013 James Almer <jamrial@gmail.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22/**
23 * @file
24 * @ingroup lavu_ripemd
25 * Public header for RIPEMD hash function implementation.
26 */
27
28#ifndef AVUTIL_RIPEMD_H
29#define AVUTIL_RIPEMD_H
30
31#include <stddef.h>
32#include <stdint.h>
33
34#include "attributes.h"
35#include "version.h"
36
37/**
38 * @defgroup lavu_ripemd RIPEMD
39 * @ingroup lavu_hash
40 * RIPEMD hash function implementation.
41 *
42 * @{
43 */
44
45extern const int av_ripemd_size;
46
47struct AVRIPEMD;
48
49/**
50 * Allocate an AVRIPEMD context.
51 */
52struct AVRIPEMD *av_ripemd_alloc(void);
53
54/**
55 * Initialize RIPEMD hashing.
56 *
57 * @param context pointer to the function context (of size av_ripemd_size)
58 * @param bits number of bits in digest (128, 160, 256 or 320 bits)
59 * @return zero if initialization succeeded, -1 otherwise
60 */
61int av_ripemd_init(struct AVRIPEMD* context, int bits);
62
63/**
64 * Update hash value.
65 *
66 * @param context hash function context
67 * @param data input data to update hash with
68 * @param len input data length
69 */
70#if FF_API_CRYPTO_SIZE_T
71void av_ripemd_update(struct AVRIPEMD* context, const uint8_t* data, unsigned int len);
72#else
73void av_ripemd_update(struct AVRIPEMD* context, const uint8_t* data, size_t len);
74#endif
75
76/**
77 * Finish hashing and output digest value.
78 *
79 * @param context hash function context
80 * @param digest buffer where output digest value is stored
81 */
82void av_ripemd_final(struct AVRIPEMD* context, uint8_t *digest);
83
84/**
85 * @}
86 */
87
88#endif /* AVUTIL_RIPEMD_H */
Macro definitions for various function/variable attributes.
void av_ripemd_final(struct AVRIPEMD *context, uint8_t *digest)
Finish hashing and output digest value.
int av_ripemd_init(struct AVRIPEMD *context, int bits)
Initialize RIPEMD hashing.
void av_ripemd_update(struct AVRIPEMD *context, const uint8_t *data, size_t len)
Update hash value.
struct AVRIPEMD * av_ripemd_alloc(void)
Allocate an AVRIPEMD context.
const int av_ripemd_size
swscale version macros