FFmpeg  4.0
Data Structures | Macros | Functions | Variables
ripemd.c File Reference
#include <string.h>
#include "attributes.h"
#include "avutil.h"
#include "bswap.h"
#include "intreadwrite.h"
#include "ripemd.h"
#include "mem.h"

Go to the source code of this file.

Data Structures

struct  AVRIPEMD
 hash context More...
 

Macros

#define rol(value, bits)   (((value) << (bits)) | ((value) >> (32 - (bits))))
 
#define ROUND128_0_TO_15(a, b, c, d, e, f, g, h)
 
#define ROUND128_16_TO_31(a, b, c, d, e, f, g, h)
 
#define ROUND128_32_TO_47(a, b, c, d, e, f, g, h)
 
#define ROUND128_48_TO_63(a, b, c, d, e, f, g, h)
 
#define R128_0
 
#define R128_16
 
#define R128_32
 
#define R128_48
 
#define ROTATE(x, y)
 
#define ROUND160_0_TO_15(a, b, c, d, e, f, g, h, i, j)
 
#define ROUND160_16_TO_31(a, b, c, d, e, f, g, h, i, j)
 
#define ROUND160_32_TO_47(a, b, c, d, e, f, g, h, i, j)
 
#define ROUND160_48_TO_63(a, b, c, d, e, f, g, h, i, j)
 
#define ROUND160_64_TO_79(a, b, c, d, e, f, g, h, i, j)
 
#define R160_0
 
#define R160_16
 
#define R160_32
 
#define R160_48
 
#define R160_64
 

Functions

struct AVRIPEMDav_ripemd_alloc (void)
 Allocate an AVRIPEMD context. More...
 
static void ripemd128_transform (uint32_t *state, const uint8_t buffer[64])
 
static void ripemd256_transform (uint32_t *state, const uint8_t buffer[64])
 
static void ripemd160_transform (uint32_t *state, const uint8_t buffer[64])
 
static void ripemd320_transform (uint32_t *state, const uint8_t buffer[64])
 
av_cold int av_ripemd_init (AVRIPEMD *ctx, int bits)
 Initialize RIPEMD hashing. More...
 
void av_ripemd_update (AVRIPEMD *ctx, const uint8_t *data, unsigned int len)
 Update hash value. More...
 
void av_ripemd_final (AVRIPEMD *ctx, uint8_t *digest)
 Finish hashing and output digest value. More...
 

Variables

const int av_ripemd_size = sizeof(AVRIPEMD)
 
static const uint32_t KA [4]
 
static const uint32_t KB [4]
 
static const int ROTA [80]
 
static const int ROTB [80]
 
static const int WA [80]
 
static const int WB [80]
 

Macro Definition Documentation

◆ rol

#define rol (   value,
  bits 
)    (((value) << (bits)) | ((value) >> (32 - (bits))))

Definition at line 88 of file ripemd.c.

◆ ROUND128_0_TO_15

#define ROUND128_0_TO_15 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h 
)
Value:
a = rol(a + (( b ^ c ^ d) + block[WA[n]]), ROTA[n]); \
e = rol(e + ((((f ^ g) & h) ^ g) + block[WB[n]] + KB[0]), ROTB[n]); \
n++
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 90 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ ROUND128_16_TO_31

#define ROUND128_16_TO_31 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h 
)
Value:
a = rol(a + ((((c ^ d) & b) ^ d) + block[WA[n]] + KA[0]), ROTA[n]); \
e = rol(e + (((~g | f) ^ h) + block[WB[n]] + KB[1]), ROTB[n]); \
n++
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 95 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ ROUND128_32_TO_47

#define ROUND128_32_TO_47 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h 
)
Value:
a = rol(a + (((~c | b) ^ d) + block[WA[n]] + KA[1]), ROTA[n]); \
e = rol(e + ((((g ^ h) & f) ^ h) + block[WB[n]] + KB[2]), ROTB[n]); \
n++
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 100 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ ROUND128_48_TO_63

#define ROUND128_48_TO_63 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h 
)
Value:
a = rol(a + ((((b ^ c) & d) ^ c) + block[WA[n]] + KA[2]), ROTA[n]); \
e = rol(e + (( f ^ g ^ h) + block[WB[n]]), ROTB[n]); \
n++
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 105 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ R128_0

#define R128_0
Value:
ROUND128_0_TO_15(a,b,c,d,e,f,g,h); \
ROUND128_0_TO_15(d,a,b,c,h,e,f,g); \
ROUND128_0_TO_15(c,d,a,b,g,h,e,f); \
ROUND128_0_TO_15(b,c,d,a,f,g,h,e)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND128_0_TO_15(a, b, c, d, e, f, g, h)
Definition: ripemd.c:90
static double c[64]

Definition at line 110 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ R128_16

#define R128_16
Value:
ROUND128_16_TO_31(a,b,c,d,e,f,g,h); \
ROUND128_16_TO_31(d,a,b,c,h,e,f,g); \
ROUND128_16_TO_31(c,d,a,b,g,h,e,f); \
ROUND128_16_TO_31(b,c,d,a,f,g,h,e)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static double c[64]
#define ROUND128_16_TO_31(a, b, c, d, e, f, g, h)
Definition: ripemd.c:95

Definition at line 116 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ R128_32

#define R128_32
Value:
ROUND128_32_TO_47(a,b,c,d,e,f,g,h); \
ROUND128_32_TO_47(d,a,b,c,h,e,f,g); \
ROUND128_32_TO_47(c,d,a,b,g,h,e,f); \
ROUND128_32_TO_47(b,c,d,a,f,g,h,e)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND128_32_TO_47(a, b, c, d, e, f, g, h)
Definition: ripemd.c:100
static double c[64]

Definition at line 122 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ R128_48

#define R128_48
Value:
ROUND128_48_TO_63(a,b,c,d,e,f,g,h); \
ROUND128_48_TO_63(d,a,b,c,h,e,f,g); \
ROUND128_48_TO_63(c,d,a,b,g,h,e,f); \
ROUND128_48_TO_63(b,c,d,a,f,g,h,e)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND128_48_TO_63(a, b, c, d, e, f, g, h)
Definition: ripemd.c:105
static double c[64]

Definition at line 128 of file ripemd.c.

Referenced by ripemd128_transform(), and ripemd256_transform().

◆ ROTATE

#define ROTATE (   x,
 
)
Value:
x = rol(x, 10); \
y = rol(y, 10); \
n++
#define rol(value, bits)
Definition: ripemd.c:88

Definition at line 251 of file ripemd.c.

◆ ROUND160_0_TO_15

#define ROUND160_0_TO_15 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  i,
 
)
Value:
a = rol(a + (( b ^ c ^ d) + block[WA[n]]), ROTA[n]) + e; \
f = rol(f + (((~i | h) ^ g) + block[WB[n]] + KB[0]), ROTB[n]) + j; \
ROTATE(c,h)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 256 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ ROUND160_16_TO_31

#define ROUND160_16_TO_31 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  i,
 
)
Value:
a = rol(a + ((((c ^ d) & b) ^ d) + block[WA[n]] + KA[0]), ROTA[n]) + e; \
f = rol(f + ((((g ^ h) & i) ^ h) + block[WB[n]] + KB[1]), ROTB[n]) + j; \
ROTATE(c,h)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 261 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ ROUND160_32_TO_47

#define ROUND160_32_TO_47 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  i,
 
)
Value:
a = rol(a + (((~c | b) ^ d) + block[WA[n]] + KA[1]), ROTA[n]) + e; \
f = rol(f + (((~h | g) ^ i) + block[WB[n]] + KB[2]), ROTB[n]) + j; \
ROTATE(c,h)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 266 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ ROUND160_48_TO_63

#define ROUND160_48_TO_63 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  i,
 
)
Value:
a = rol(a + ((((b ^ c) & d) ^ c) + block[WA[n]] + KA[2]), ROTA[n]) + e; \
f = rol(f + ((((h ^ i) & g) ^ i) + block[WB[n]] + KB[3]), ROTB[n]) + j; \
ROTATE(c,h)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static const uint32_t KB[4]
Definition: ripemd.c:52
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 271 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ ROUND160_64_TO_79

#define ROUND160_64_TO_79 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  i,
 
)
Value:
a = rol(a + (((~d | c) ^ b) + block[WA[n]] + KA[3]), ROTA[n]) + e; \
f = rol(f + (( g ^ h ^ i) + block[WB[n]]), ROTB[n]) + j; \
ROTATE(c,h)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
static int16_t block[64]
Definition: dct.c:115
static const int ROTB[80]
Definition: ripemd.c:64
static const int WB[80]
Definition: ripemd.c:80
int n
Definition: avisynth_c.h:684
static const int WA[80]
Definition: ripemd.c:72
static const uint32_t KA[4]
Definition: ripemd.c:48
#define rol(value, bits)
Definition: ripemd.c:88
static const int ROTA[80]
Definition: ripemd.c:56
static double c[64]

Definition at line 276 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ R160_0

#define R160_0
Value:
ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j); \
ROUND160_0_TO_15(e,a,b,c,d,j,f,g,h,i); \
ROUND160_0_TO_15(d,e,a,b,c,i,j,f,g,h); \
ROUND160_0_TO_15(c,d,e,a,b,h,i,j,f,g); \
ROUND160_0_TO_15(b,c,d,e,a,g,h,i,j,f)
const char * g
Definition: vf_curves.c:112
#define ROUND160_0_TO_15(a, b, c, d, e, f, g, h, i, j)
Definition: ripemd.c:256
const char * b
Definition: vf_curves.c:113
static double c[64]

Definition at line 281 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ R160_16

#define R160_16
Value:
ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i); \
ROUND160_16_TO_31(d,e,a,b,c,i,j,f,g,h); \
ROUND160_16_TO_31(c,d,e,a,b,h,i,j,f,g); \
ROUND160_16_TO_31(b,c,d,e,a,g,h,i,j,f); \
ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND160_16_TO_31(a, b, c, d, e, f, g, h, i, j)
Definition: ripemd.c:261
static double c[64]

Definition at line 288 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ R160_32

#define R160_32
Value:
ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h); \
ROUND160_32_TO_47(c,d,e,a,b,h,i,j,f,g); \
ROUND160_32_TO_47(b,c,d,e,a,g,h,i,j,f); \
ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j); \
ROUND160_32_TO_47(e,a,b,c,d,j,f,g,h,i)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND160_32_TO_47(a, b, c, d, e, f, g, h, i, j)
Definition: ripemd.c:266
static double c[64]

Definition at line 295 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ R160_48

#define R160_48
Value:
ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g); \
ROUND160_48_TO_63(b,c,d,e,a,g,h,i,j,f); \
ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j); \
ROUND160_48_TO_63(e,a,b,c,d,j,f,g,h,i); \
ROUND160_48_TO_63(d,e,a,b,c,i,j,f,g,h)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND160_48_TO_63(a, b, c, d, e, f, g, h, i, j)
Definition: ripemd.c:271
static double c[64]

Definition at line 302 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

◆ R160_64

#define R160_64
Value:
ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f); \
ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j); \
ROUND160_64_TO_79(e,a,b,c,d,j,f,g,h,i); \
ROUND160_64_TO_79(d,e,a,b,c,i,j,f,g,h); \
ROUND160_64_TO_79(c,d,e,a,b,h,i,j,f,g)
const char * g
Definition: vf_curves.c:112
const char * b
Definition: vf_curves.c:113
#define ROUND160_64_TO_79(a, b, c, d, e, f, g, h, i, j)
Definition: ripemd.c:276
static double c[64]

Definition at line 309 of file ripemd.c.

Referenced by ripemd160_transform(), and ripemd320_transform().

Function Documentation

◆ ripemd128_transform()

static void ripemd128_transform ( uint32_t *  state,
const uint8_t  buffer[64] 
)
static

Definition at line 134 of file ripemd.c.

Referenced by av_ripemd_init().

◆ ripemd256_transform()

static void ripemd256_transform ( uint32_t *  state,
const uint8_t  buffer[64] 
)
static

Definition at line 191 of file ripemd.c.

Referenced by av_ripemd_init().

◆ ripemd160_transform()

static void ripemd160_transform ( uint32_t *  state,
const uint8_t  buffer[64] 
)
static

Definition at line 316 of file ripemd.c.

Referenced by av_ripemd_init().

◆ ripemd320_transform()

static void ripemd320_transform ( uint32_t *  state,
const uint8_t  buffer[64] 
)
static

Definition at line 388 of file ripemd.c.

Referenced by av_ripemd_init().

Variable Documentation

◆ KA

const uint32_t KA[4]
static
Initial value:
= {
0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e
}

Definition at line 48 of file ripemd.c.

◆ KB

const uint32_t KB[4]
static
Initial value:
= {
0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9
}

Definition at line 52 of file ripemd.c.

◆ ROTA

const int ROTA[80]
static
Initial value:
= {
11, 14, 15, 12, 5, 8, 7 , 9, 11, 13, 14, 15, 6, 7, 9, 8,
7 , 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
}

Definition at line 56 of file ripemd.c.

◆ ROTB

const int ROTB[80]
static
Initial value:
= {
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
}

Definition at line 64 of file ripemd.c.

◆ WA

const int WA[80]
static
Initial value:
= {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
}

Definition at line 72 of file ripemd.c.

◆ WB

const int WB[80]
static
Initial value:
= {
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
}

Definition at line 80 of file ripemd.c.