Bitcoin Core  0.19.99
P2P Digital Currency
Macros | Functions
hash_impl.h File Reference
#include "hash.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
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Macros

#define Ch(x, y, z)   ((z) ^ ((x) & ((y) ^ (z))))
 
#define Maj(x, y, z)   (((x) & (y)) | ((z) & ((x) | (y))))
 
#define Sigma0(x)   (((x) >> 2 | (x) << 30) ^ ((x) >> 13 | (x) << 19) ^ ((x) >> 22 | (x) << 10))
 
#define Sigma1(x)   (((x) >> 6 | (x) << 26) ^ ((x) >> 11 | (x) << 21) ^ ((x) >> 25 | (x) << 7))
 
#define sigma0(x)   (((x) >> 7 | (x) << 25) ^ ((x) >> 18 | (x) << 14) ^ ((x) >> 3))
 
#define sigma1(x)   (((x) >> 17 | (x) << 15) ^ ((x) >> 19 | (x) << 13) ^ ((x) >> 10))
 
#define Round(a, b, c, d, e, f, g, h, k, w)
 
#define BE32(p)   ((((p) & 0xFF) << 24) | (((p) & 0xFF00) << 8) | (((p) & 0xFF0000) >> 8) | (((p) & 0xFF000000) >> 24))
 

Functions

static void secp256k1_sha256_initialize (secp256k1_sha256 *hash)
 
static void secp256k1_sha256_transform (uint32_t *s, const uint32_t *chunk)
 Perform one SHA-256 transformation, processing 16 big endian 32-bit words. More...
 
static void secp256k1_sha256_write (secp256k1_sha256 *hash, const unsigned char *data, size_t len)
 
static void secp256k1_sha256_finalize (secp256k1_sha256 *hash, unsigned char *out32)
 
static void secp256k1_hmac_sha256_initialize (secp256k1_hmac_sha256 *hash, const unsigned char *key, size_t keylen)
 
static void secp256k1_hmac_sha256_write (secp256k1_hmac_sha256 *hash, const unsigned char *data, size_t size)
 
static void secp256k1_hmac_sha256_finalize (secp256k1_hmac_sha256 *hash, unsigned char *out32)
 
static void secp256k1_rfc6979_hmac_sha256_initialize (secp256k1_rfc6979_hmac_sha256 *rng, const unsigned char *key, size_t keylen)
 
static void secp256k1_rfc6979_hmac_sha256_generate (secp256k1_rfc6979_hmac_sha256 *rng, unsigned char *out, size_t outlen)
 
static void secp256k1_rfc6979_hmac_sha256_finalize (secp256k1_rfc6979_hmac_sha256 *rng)
 

Macro Definition Documentation

◆ BE32

#define BE32 (   p)    ((((p) & 0xFF) << 24) | (((p) & 0xFF00) << 8) | (((p) & 0xFF0000) >> 8) | (((p) & 0xFF000000) >> 24))

Definition at line 33 of file hash_impl.h.

◆ Ch

#define Ch (   x,
  y,
 
)    ((z) ^ ((x) & ((y) ^ (z))))

Definition at line 16 of file hash_impl.h.

◆ Maj

#define Maj (   x,
  y,
 
)    (((x) & (y)) | ((z) & ((x) | (y))))

Definition at line 17 of file hash_impl.h.

◆ Round

#define Round (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  k,
 
)
Value:
do { \
uint32_t t1 = (h) + Sigma1(e) + Ch((e), (f), (g)) + (k) + (w); \
uint32_t t2 = Sigma0(a) + Maj((a), (b), (c)); \
(d) += t1; \
(h) = t1 + t2; \
} while(0)
#define Maj(x, y, z)
Definition: hash_impl.h:17
#define Sigma0(x)
Definition: hash_impl.h:18
#define Sigma1(x)
Definition: hash_impl.h:19
#define Ch(x, y, z)
Definition: hash_impl.h:16

Definition at line 23 of file hash_impl.h.

◆ Sigma0

#define Sigma0 (   x)    (((x) >> 2 | (x) << 30) ^ ((x) >> 13 | (x) << 19) ^ ((x) >> 22 | (x) << 10))

Definition at line 18 of file hash_impl.h.

◆ sigma0

#define sigma0 (   x)    (((x) >> 7 | (x) << 25) ^ ((x) >> 18 | (x) << 14) ^ ((x) >> 3))

Definition at line 20 of file hash_impl.h.

◆ Sigma1

#define Sigma1 (   x)    (((x) >> 6 | (x) << 26) ^ ((x) >> 11 | (x) << 21) ^ ((x) >> 25 | (x) << 7))

Definition at line 19 of file hash_impl.h.

◆ sigma1

#define sigma1 (   x)    (((x) >> 17 | (x) << 15) ^ ((x) >> 19 | (x) << 13) ^ ((x) >> 10))

Definition at line 21 of file hash_impl.h.

Function Documentation

◆ secp256k1_hmac_sha256_finalize()

static void secp256k1_hmac_sha256_finalize ( secp256k1_hmac_sha256 hash,
unsigned char *  out32 
)
static

Definition at line 197 of file hash_impl.h.

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◆ secp256k1_hmac_sha256_initialize()

static void secp256k1_hmac_sha256_initialize ( secp256k1_hmac_sha256 hash,
const unsigned char *  key,
size_t  keylen 
)
static

Definition at line 165 of file hash_impl.h.

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◆ secp256k1_hmac_sha256_write()

static void secp256k1_hmac_sha256_write ( secp256k1_hmac_sha256 hash,
const unsigned char *  data,
size_t  size 
)
static

Definition at line 193 of file hash_impl.h.

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◆ secp256k1_rfc6979_hmac_sha256_finalize()

static void secp256k1_rfc6979_hmac_sha256_finalize ( secp256k1_rfc6979_hmac_sha256 rng)
static

Definition at line 267 of file hash_impl.h.

◆ secp256k1_rfc6979_hmac_sha256_generate()

static void secp256k1_rfc6979_hmac_sha256_generate ( secp256k1_rfc6979_hmac_sha256 rng,
unsigned char *  out,
size_t  outlen 
)
static

Definition at line 236 of file hash_impl.h.

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◆ secp256k1_rfc6979_hmac_sha256_initialize()

static void secp256k1_rfc6979_hmac_sha256_initialize ( secp256k1_rfc6979_hmac_sha256 rng,
const unsigned char *  key,
size_t  keylen 
)
static

Definition at line 206 of file hash_impl.h.

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◆ secp256k1_sha256_finalize()

static void secp256k1_sha256_finalize ( secp256k1_sha256 hash,
unsigned char *  out32 
)
static

Definition at line 149 of file hash_impl.h.

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◆ secp256k1_sha256_initialize()

static void secp256k1_sha256_initialize ( secp256k1_sha256 hash)
static

Definition at line 36 of file hash_impl.h.

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◆ secp256k1_sha256_transform()

static void secp256k1_sha256_transform ( uint32_t *  s,
const uint32_t *  chunk 
)
static

Perform one SHA-256 transformation, processing 16 big endian 32-bit words.

Definition at line 49 of file hash_impl.h.

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◆ secp256k1_sha256_write()

static void secp256k1_sha256_write ( secp256k1_sha256 hash,
const unsigned char *  data,
size_t  len 
)
static

Definition at line 131 of file hash_impl.h.

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