46 lines
1013 B
C
46 lines
1013 B
C
/*
|
|
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the License); you may
|
|
* not use this file except in compliance with the License.
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*/
|
|
|
|
// RFC 5869
|
|
|
|
#ifndef GMSSL_HKDF_H
|
|
#define GMSSL_HKDF_H
|
|
|
|
#include <string.h>
|
|
#include <gmssl/digest.h>
|
|
#include <gmssl/hmac.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
int hkdf_extract(const DIGEST *digest, const uint8_t *salt, size_t saltlen,
|
|
const uint8_t *ikm, size_t ikmlen,
|
|
uint8_t *prk, size_t *prklen);
|
|
|
|
int hkdf_expand(const DIGEST *digest, const uint8_t *prk, size_t prklen,
|
|
const uint8_t *opt_info, size_t opt_infolen,
|
|
size_t L, uint8_t *okm);
|
|
|
|
int sm3_hkdf_extract(const uint8_t *salt, size_t saltlen,
|
|
const uint8_t *ikm, size_t ikmlen,
|
|
uint8_t *prk, size_t *prklen);
|
|
|
|
int sm3_hkdf_expand(const uint8_t *prk, size_t prklen,
|
|
const uint8_t *opt_info, size_t opt_infolen,
|
|
size_t L, uint8_t *okm);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|