FFmpeg

#include <string.h>
#include "attributes.h"
#include "avutil.h"
#include "bswap.h"
#include "sha.h"
#include "intreadwrite.h"
#include "mem.h"
Go to the source code of this file.
Data Structures  
struct  AVSHA 
hash context More...  
Macros  
#define  rol(value, bits) (((value) << (bits))  ((value) >> (32  (bits)))) 
#define  blk0(i) (block[i] = AV_RB32(buffer + 4 * (i))) 
#define  blk(i) (block[i] = rol(block[(i)3] ^ block[(i)8] ^ block[(i)14] ^ block[(i)16], 1)) 
#define  R0(v, w, x, y, z, i) z += (((w)&((x)^(y)))^(y)) + blk0(i) + 0x5A827999 + rol(v, 5); w = rol(w, 30); 
#define  R1(v, w, x, y, z, i) z += (((w)&((x)^(y)))^(y)) + blk (i) + 0x5A827999 + rol(v, 5); w = rol(w, 30); 
#define  R2(v, w, x, y, z, i) z += ( (w)^(x) ^(y)) + blk (i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30); 
#define  R3(v, w, x, y, z, i) z += ((((w)(x))&(y))((w)&(x))) + blk (i) + 0x8F1BBCDC + rol(v, 5); w = rol(w, 30); 
#define  R4(v, w, x, y, z, i) z += ( (w)^(x) ^(y)) + blk (i) + 0xCA62C1D6 + rol(v, 5); w = rol(w, 30); 
#define  R1_0 
#define  R1_20 
#define  R1_40 
#define  R1_60 
#define  Ch(x, y, z) (((x) & ((y) ^ (z))) ^ (z)) 
#define  Maj(z, y, x) ((((x)  (y)) & (z))  ((x) & (y))) 
#define  Sigma0_256(x) (rol((x), 30) ^ rol((x), 19) ^ rol((x), 10)) 
#define  Sigma1_256(x) (rol((x), 26) ^ rol((x), 21) ^ rol((x), 7)) 
#define  sigma0_256(x) (rol((x), 25) ^ rol((x), 14) ^ ((x) >> 3)) 
#define  sigma1_256(x) (rol((x), 15) ^ rol((x), 13) ^ ((x) >> 10)) 
#define  blk(i) 
#define  ROUND256(a, b, c, d, e, f, g, h) 
#define  ROUND256_0_TO_15(a, b, c, d, e, f, g, h) 
#define  ROUND256_16_TO_63(a, b, c, d, e, f, g, h) 
#define  R256_0 
#define  R256_16 
Functions  
struct AVSHA *  av_sha_alloc (void) 
Allocate an AVSHA context. More...  
static void  sha1_transform (uint32_t state[5], const uint8_t buffer[64]) 
static void  sha256_transform (uint32_t *state, const uint8_t buffer[64]) 
av_cold int  av_sha_init (AVSHA *ctx, int bits) 
Initialize SHA1 or SHA2 hashing. More...  
void  av_sha_update (struct AVSHA *ctx, const uint8_t *data, unsigned int len) 
Update hash value. More...  
void  av_sha_final (AVSHA *ctx, uint8_t *digest) 
Finish hashing and output digest value. More...  
Variables  
const int  av_sha_size = sizeof(AVSHA) 
static const uint32_t  K256 [64] 
Definition at line 50 of file sha.c.
Referenced by sha1_transform().
Definition at line 53 of file sha.c.
Referenced by dct_unquantize_h263_intra_neon(), and sha256_transform().
Definition at line 185 of file sha.c.
Referenced by ac3_compute_mantissa_size_c(), ac3_decode_frame(), ac3_exponent_min_c(), aic_decode_slice(), allocate_buffers(), apply_channel_coupling(), apply_mdct(), bink_decode_plane(), binkb_decode_plane(), bit_alloc(), bit_alloc_masking(), compute_exp_strategy(), compute_rematrixing_strategy(), count_exponent_bits(), count_frame_bits(), count_frame_bits_fixed(), count_mantissa_bits_init(), count_mantissa_bits_update_ch(), coupling_strategy(), decode_audio_block(), decode_frame(), decode_transform_coeffs_ch(), dv_calc_mb_coordinates(), dv_init_enc_block(), encode_exponents(), ff_ac3_apply_rematrixing(), ff_ac3_compute_coupling_strategy(), ff_ac3_encode_close(), ff_ac3_group_exponents(), ff_ac3_output_frame(), ff_ac3_quantize_mantissas(), ff_eac3_decode_transform_coeffs_aht_ch(), ff_eac3_output_frame_header(), ff_eac3_parse_header(), ff_eac3_set_cpl_states(), ivi_decode_blocks(), ivi_process_empty_tile(), output_audio_block(), reset_block_bap(), sbc_analyze_audio(), sbc_calc_scalefactors(), sbc_calc_scalefactors_j(), sbc_pack_frame(), sbc_synthesize_audio(), sbc_synthesize_eight(), sbc_synthesize_four(), sbc_unpack_frame(), scale_coefficients(), set_bandwidth(), sha256_transform(), and vb_decode_framedata().
#define R0  (  v,  
w,  
x,  
y,  
z,  
i  
)  z += (((w)&((x)^(y)))^(y)) + blk0(i) + 0x5A827999 + rol(v, 5); w = rol(w, 30); 
Definition at line 56 of file sha.c.
Referenced by ff_yuv2rgb_init_tables_ppc(), and sha1_transform().
#define R1  (  v,  
w,  
x,  
y,  
z,  
i  
)  z += (((w)&((x)^(y)))^(y)) + blk (i) + 0x5A827999 + rol(v, 5); w = rol(w, 30); 
Definition at line 57 of file sha.c.
Referenced by sha1_transform().
#define R1_0 
Referenced by sha1_transform().
#define R1_20 
Referenced by sha1_transform().
#define R1_40 
Referenced by sha1_transform().
#define R1_60 
Referenced by sha1_transform().
#define Ch  (  x,  
y,  
z  
)  (((x) & ((y) ^ (z))) ^ (z)) 
Definition at line 176 of file sha.c.
Referenced by sha256_transform().
#define Maj  (  z,  
y,  
x  
)  ((((x)  (y)) & (z))  ((x) & (y))) 
Definition at line 177 of file sha.c.
Referenced by sha256_transform().
Definition at line 179 of file sha.c.
Referenced by sha256_transform().
Definition at line 180 of file sha.c.
Referenced by sha256_transform().
#define blk  (  i  ) 
#define R256_0 
Referenced by sha256_transform().
#define R256_16 
Referenced by sha256_transform().
Definition at line 64 of file sha.c.
Referenced by av_sha_init().
Definition at line 202 of file sha.c.
Referenced by av_sha_init().

static 
Definition at line 156 of file sha.c.
Referenced by sha256_transform().