strongswan/src/libstrongswan/plugins/drbg/drbg_plugin.c

93 lines
2.2 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.
*/
#include "drbg_plugin.h"
#include "drbg_ctr.h"
#include "drbg_hmac.h"
#include <library.h>
typedef struct private_drbg_plugin_t private_drbg_plugin_t;
/**
* private data of drbg_plugin
*/
struct private_drbg_plugin_t {
/**
* public functions
*/
drbg_plugin_t public;
};
METHOD(plugin_t, get_name, char*,
private_drbg_plugin_t *this)
{
return "drbg";
}
METHOD(plugin_t, get_features, int,
private_drbg_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
/* NIST CTR DRBG */
PLUGIN_REGISTER(DRBG, drbg_ctr_create),
PLUGIN_PROVIDE(DRBG, DRBG_CTR_AES128),
PLUGIN_DEPENDS(CRYPTER, ENCR_AES_ECB, 16),
PLUGIN_PROVIDE(DRBG, DRBG_CTR_AES192),
PLUGIN_DEPENDS(CRYPTER, ENCR_AES_ECB, 24),
PLUGIN_PROVIDE(DRBG, DRBG_CTR_AES256),
PLUGIN_DEPENDS(CRYPTER, ENCR_AES_ECB, 32),
/* NIST HMAC DRBG */
PLUGIN_REGISTER(DRBG, drbg_hmac_create),
PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA1),
PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA1),
PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA256),
PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA2_256),
PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA384),
PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA2_384),
PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA512),
PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA2_512),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, destroy, void,
private_drbg_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *drbg_plugin_create()
{
private_drbg_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.destroy = _destroy,
},
},
);
return &this->public.plugin;
}