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/*
* Copyright (C) 2015 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* Copyright (C) 2015 Martin Willi
* Copyright (C) 2015 revosec AG
*
* 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 "iv_gen.h"
#include "iv_gen_rand.h"
#include "iv_gen_seq.h"
#include "iv_gen_null.h"
/**
* See header.
*/
iv_gen_t* iv_gen_create_for_alg(encryption_algorithm_t alg)
{
switch (alg)
{
case ENCR_DES:
case ENCR_3DES:
case ENCR_RC5:
case ENCR_IDEA:
case ENCR_CAST:
case ENCR_BLOWFISH:
case ENCR_3IDEA:
case ENCR_AES_CBC:
case ENCR_CAMELLIA_CBC:
case ENCR_SERPENT_CBC:
case ENCR_TWOFISH_CBC:
case ENCR_RC2_CBC:
return iv_gen_rand_create();
case ENCR_AES_CTR:
case ENCR_AES_CCM_ICV8:
case ENCR_AES_CCM_ICV12:
case ENCR_AES_CCM_ICV16:
case ENCR_AES_GCM_ICV8:
case ENCR_AES_GCM_ICV12:
case ENCR_AES_GCM_ICV16:
case ENCR_CAMELLIA_CTR:
case ENCR_CAMELLIA_CCM_ICV8:
case ENCR_CAMELLIA_CCM_ICV12:
case ENCR_CAMELLIA_CCM_ICV16:
case ENCR_CHACHA20_POLY1305:
case ENCR_NULL_AUTH_AES_GMAC:
return iv_gen_seq_create();
case ENCR_NULL:
return iv_gen_null_create();
case ENCR_UNDEFINED:
case ENCR_DES_ECB:
case ENCR_DES_IV32:
case ENCR_DES_IV64:
break;
}
return NULL;
}
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