author | Wuzzy <almikes@aol.com> |
Sat, 15 Apr 2017 06:52:14 +0200 | |
changeset 12256 | 789277d46784 |
parent 7813 | 7ac83d79b897 |
permissions | -rw-r--r-- |
7813
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
1 |
/* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
2 |
* Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at> |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
3 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
4 |
* This file is part of Libav. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
5 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
6 |
* Libav is free software; you can redistribute it and/or |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
7 |
* modify it under the terms of the GNU Lesser General Public |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
8 |
* License as published by the Free Software Foundation; either |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
9 |
* version 2.1 of the License, or (at your option) any later version. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
10 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
11 |
* Libav is distributed in the hope that it will be useful, |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
14 |
* Lesser General Public License for more details. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
15 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
16 |
* You should have received a copy of the GNU Lesser General Public |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
17 |
* License along with Libav; if not, write to the Free Software |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
19 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
20 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
21 |
#ifndef AVUTIL_SHA_H |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
22 |
#define AVUTIL_SHA_H |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
23 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
24 |
#include <stdint.h> |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
25 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
26 |
#include "attributes.h" |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
27 |
#include "version.h" |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
28 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
29 |
/** |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
30 |
* @defgroup lavu_sha SHA |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
31 |
* @ingroup lavu_crypto |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
32 |
* @{ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
33 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
34 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
35 |
#if FF_API_CONTEXT_SIZE |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
36 |
extern attribute_deprecated const int av_sha_size; |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
37 |
#endif |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
38 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
39 |
struct AVSHA; |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
40 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
41 |
/** |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
42 |
* Allocate an AVSHA context. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
43 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
44 |
struct AVSHA *av_sha_alloc(void); |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
45 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
46 |
/** |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
47 |
* Initialize SHA-1 or SHA-2 hashing. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
48 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
49 |
* @param context pointer to the function context (of size av_sha_size) |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
50 |
* @param bits number of bits in digest (SHA-1 - 160 bits, SHA-2 224 or 256 bits) |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
51 |
* @return zero if initialization succeeded, -1 otherwise |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
52 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
53 |
int av_sha_init(struct AVSHA* context, int bits); |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
54 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
55 |
/** |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
56 |
* Update hash value. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
57 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
58 |
* @param context hash function context |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
59 |
* @param data input data to update hash with |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
60 |
* @param len input data length |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
61 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
62 |
void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len); |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
63 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
64 |
/** |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
65 |
* Finish hashing and output digest value. |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
66 |
* |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
67 |
* @param context hash function context |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
68 |
* @param digest buffer where output digest value is stored |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
69 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
70 |
void av_sha_final(struct AVSHA* context, uint8_t *digest); |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
71 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
72 |
/** |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
73 |
* @} |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
74 |
*/ |
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
75 |
|
7ac83d79b897
support video recording on windows with automation and headers
koda
parents:
diff
changeset
|
76 |
#endif /* AVUTIL_SHA_H */ |