1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* copyright (c) 2015 Rodger Combs <rodger.combs@gmail.com>
*
* 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_AES_INTERNAL_H
#define AVUTIL_AES_INTERNAL_H
#include "mem_internal.h"
#include <stdint.h>
typedef union {
uint64_t u64[2];
uint32_t u32[4];
uint8_t u8x4[4][4];
uint8_t u8[16];
} av_aes_block;
typedef struct AVAES {
// Note: round_key[16] is accessed in the init code, but this only
// overwrites state, which does not matter (see also commit ba554c0).
DECLARE_ALIGNED(16, av_aes_block, round_key)[15];
DECLARE_ALIGNED(16, av_aes_block, state)[2];
int rounds;
void (*crypt)(struct AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int rounds);
} AVAES;
#endif /* AVUTIL_AES_INTERNAL_H */
|
