42 lines
1.9 KiB
C
42 lines
1.9 KiB
C
/***********************************************************************
|
|
* Copyright (c) 2014 Pieter Wuille *
|
|
* Distributed under the MIT software license, see the accompanying *
|
|
* file COPYING or https://www.opensource.org/licenses/mit-license.php.*
|
|
***********************************************************************/
|
|
|
|
#ifndef SECP256K1_HASH_H
|
|
#define SECP256K1_HASH_H
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
|
|
typedef struct {
|
|
uint32_t s[8];
|
|
unsigned char buf[64];
|
|
uint64_t bytes;
|
|
} rustsecp256k1_v0_9_2_sha256;
|
|
|
|
static void rustsecp256k1_v0_9_2_sha256_initialize(rustsecp256k1_v0_9_2_sha256 *hash);
|
|
static void rustsecp256k1_v0_9_2_sha256_write(rustsecp256k1_v0_9_2_sha256 *hash, const unsigned char *data, size_t size);
|
|
static void rustsecp256k1_v0_9_2_sha256_finalize(rustsecp256k1_v0_9_2_sha256 *hash, unsigned char *out32);
|
|
|
|
typedef struct {
|
|
rustsecp256k1_v0_9_2_sha256 inner, outer;
|
|
} rustsecp256k1_v0_9_2_hmac_sha256;
|
|
|
|
static void rustsecp256k1_v0_9_2_hmac_sha256_initialize(rustsecp256k1_v0_9_2_hmac_sha256 *hash, const unsigned char *key, size_t size);
|
|
static void rustsecp256k1_v0_9_2_hmac_sha256_write(rustsecp256k1_v0_9_2_hmac_sha256 *hash, const unsigned char *data, size_t size);
|
|
static void rustsecp256k1_v0_9_2_hmac_sha256_finalize(rustsecp256k1_v0_9_2_hmac_sha256 *hash, unsigned char *out32);
|
|
|
|
typedef struct {
|
|
unsigned char v[32];
|
|
unsigned char k[32];
|
|
int retry;
|
|
} rustsecp256k1_v0_9_2_rfc6979_hmac_sha256;
|
|
|
|
static void rustsecp256k1_v0_9_2_rfc6979_hmac_sha256_initialize(rustsecp256k1_v0_9_2_rfc6979_hmac_sha256 *rng, const unsigned char *key, size_t keylen);
|
|
static void rustsecp256k1_v0_9_2_rfc6979_hmac_sha256_generate(rustsecp256k1_v0_9_2_rfc6979_hmac_sha256 *rng, unsigned char *out, size_t outlen);
|
|
static void rustsecp256k1_v0_9_2_rfc6979_hmac_sha256_finalize(rustsecp256k1_v0_9_2_rfc6979_hmac_sha256 *rng);
|
|
|
|
#endif /* SECP256K1_HASH_H */
|