mirror of https://github.com/openssl/openssl.git
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
|
/*
|
||
|
|
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||
|
|
* this file except in compliance with the License. You can obtain a copy
|
||
|
|
* in the file LICENSE in the source distribution or at
|
||
|
|
* https://www.openssl.org/source/license.html
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef OSSL_PROV_HMAC_DRBG_H
|
||
|
|
# define OSSL_PROV_HMAC_DRBG_H
|
||
|
|
# pragma once
|
||
|
|
|
||
|
|
#include <openssl/evp.h>
|
||
|
|
#include "prov/provider_util.h"
|
||
|
|
|
||
|
|
typedef struct drbg_hmac_st {
|
||
|
|
EVP_MAC_CTX *ctx; /* H(x) = HMAC_hash OR H(x) = KMAC */
|
||
|
|
PROV_DIGEST digest; /* H(x) = hash(x) */
|
||
|
|
size_t blocklen;
|
||
|
|
unsigned char K[EVP_MAX_MD_SIZE];
|
||
|
|
unsigned char V[EVP_MAX_MD_SIZE];
|
||
|
|
} PROV_DRBG_HMAC;
|
||
|
|
|
||
|
|
int ossl_drbg_hmac_init(PROV_DRBG_HMAC *drbg,
|
||
|
|
const unsigned char *ent, size_t ent_len,
|
||
|
|
const unsigned char *nonce, size_t nonce_len,
|
||
|
|
const unsigned char *pstr, size_t pstr_len);
|
||
|
|
int ossl_drbg_hmac_generate(PROV_DRBG_HMAC *hmac,
|
||
|
|
unsigned char *out, size_t outlen,
|
||
|
|
const unsigned char *adin, size_t adin_len);
|
||
|
|
|
||
|
|
#endif /* OSSL_PROV_HMAC_DRBG_H */
|