ffmpeg.libavutil.ripemd source code

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 module ffmpeg.libavutil.ripemd;
28 extern (C) @nogc nothrow:
29 
30 /**
31  * @defgroup lavu_ripemd RIPEMD
32  * @ingroup lavu_hash
33  * RIPEMD hash function implementation.
34  *
35  * @{
36  */
37 
38 extern __gshared const int av_ripemd_size;
39 
40 struct AVRIPEMD;
41 
42 /**
43  * Allocate an AVRIPEMD context.
44  */
45 AVRIPEMD* av_ripemd_alloc ();
46 
47 /**
48  * Initialize RIPEMD hashing.
49  *
50  * @param context pointer to the function context (of size av_ripemd_size)
51  * @param bits    number of bits in digest (128, 160, 256 or 320 bits)
52  * @return        zero if initialization succeeded, -1 otherwise
53  */
54 int av_ripemd_init (AVRIPEMD* context, int bits);
55 
56 /**
57  * Update hash value.
58  *
59  * @param context hash function context
60  * @param data    input data to update hash with
61  * @param len     input data length
62  */
63 void av_ripemd_update (AVRIPEMD* context, const(ubyte)* data, uint len);
64 
65 /**
66  * Finish hashing and output digest value.
67  *
68  * @param context hash function context
69  * @param digest  buffer where output digest value is stored
70  */
71 void av_ripemd_final (AVRIPEMD* context, ubyte* digest);
72 
73 /**
74  * @}
75  */
76 
77 /* AVUTIL_RIPEMD_H */