strongswan/src/libstrongswan/plugins/drbg/drbg_hmac.h

52 lines
1.4 KiB
C

/*
* Copyright (C) 2019 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup drbg_hmac drbg_hmac
* @{ @ingroup drbg
*/
#ifndef DRBG_HMAC_H_
#define DRBG_HMAC_H_
#include <crypto/drbgs/drbg.h>
typedef struct drbg_hmac_t drbg_hmac_t;
/**
* NIST SP 800-90A HMAC DRBC implementation
*/
struct drbg_hmac_t {
/**
* Public Deterministic Random Bit Generator (DRBG) Interface
*/
drbg_t interface;
};
/**
* Create a drbg_hmac instance.
*
* @param type DRBG HMAC type
* @param strength security strength in bits
* @param entropy entropy source to be used
* @param personalization_str optional personalization string
* @return drbg_hmac_t object, NULL if not supported
*/
drbg_hmac_t *drbg_hmac_create(drbg_type_t type, uint32_t strength,
rng_t *entropy, chunk_t personalization_str);
#endif /** DRBG_HMAC_H_ @}*/