FFmpeg
4.0
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#include "common.h"
#include "aes.h"
#include "aes_internal.h"
#include "intreadwrite.h"
#include "timer.h"
Go to the source code of this file.
Macros | |
#define | ROT(x, s) (((x) << (s)) | ((x) >> (32-(s)))) |
Functions | |
struct AVAES * | av_aes_alloc (void) |
Allocate an AVAES context. More... | |
static void | addkey (av_aes_block *dst, const av_aes_block *src, const av_aes_block *round_key) |
static void | addkey_s (av_aes_block *dst, const uint8_t *src, const av_aes_block *round_key) |
static void | addkey_d (uint8_t *dst, const av_aes_block *src, const av_aes_block *round_key) |
static void | subshift (av_aes_block s0[2], int s, const uint8_t *box) |
static int | mix_core (uint32_t multbl[][256], int a, int b, int c, int d) |
static void | mix (av_aes_block state[2], uint32_t multbl[][256], int s1, int s3) |
static void | aes_crypt (AVAES *a, int s, const uint8_t *sbox, uint32_t multbl[][256]) |
static void | aes_encrypt (AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int rounds) |
static void | aes_decrypt (AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int rounds) |
void | av_aes_crypt (AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) |
Encrypt or decrypt a buffer using a previously initialized context. More... | |
static void | init_multbl2 (uint32_t tbl[][256], const int c[4], const uint8_t *log8, const uint8_t *alog8, const uint8_t *sbox) |
int | av_aes_init (AVAES *a, const uint8_t *key, int key_bits, int decrypt) |
Initialize an AVAES context. More... | |
Variables | |
const int | av_aes_size = sizeof(AVAES) |
static const uint8_t | rcon [10] |
static uint8_t | sbox [256] |
static uint8_t | inv_sbox [256] |
static uint32_t | enc_multbl [4][256] |
static uint32_t | dec_multbl [4][256] |
Definition at line 53 of file aes.c.
Referenced by init_multbl2(), and mix_core().
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inlinestatic |
Definition at line 56 of file aes.c.
Referenced by aes_crypt().
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inlinestatic |
Definition at line 63 of file aes.c.
Referenced by aes_decrypt(), and aes_encrypt().
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inlinestatic |
Definition at line 70 of file aes.c.
Referenced by aes_decrypt(), and aes_encrypt().
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Definition at line 77 of file aes.c.
Referenced by aes_crypt(), and av_aes_init().
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inlinestatic |
Definition at line 109 of file aes.c.
Referenced by aes_crypt(), and av_aes_init().
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inlinestatic |
Definition at line 118 of file aes.c.
Referenced by aes_decrypt(), and aes_encrypt().
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Definition at line 131 of file aes.c.
Referenced by av_aes_init().
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Definition at line 147 of file aes.c.
Referenced by av_aes_init().
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Definition at line 169 of file aes.c.
Referenced by av_aes_init().
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Definition at line 36 of file aes.c.
Referenced by av_aes_init().
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Definition at line 40 of file aes.c.
Referenced by aes_encrypt(), and av_aes_init().
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Definition at line 41 of file aes.c.
Referenced by aes_decrypt(), and av_aes_init().
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Definition at line 46 of file aes.c.
Referenced by aes_encrypt(), and av_aes_init().
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Definition at line 47 of file aes.c.
Referenced by aes_decrypt(), and av_aes_init().