69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* Copyright (C) 2015 Tobias Brunner
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* Copyright (C) 2015 Martin Willi
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*
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* Copyright (C) secunet Security Networks AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "iv_gen.h"
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#include "iv_gen_rand.h"
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#include "iv_gen_seq.h"
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#include "iv_gen_null.h"
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/**
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* See header.
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*/
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iv_gen_t* iv_gen_create_for_alg(encryption_algorithm_t alg)
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{
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switch (alg)
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{
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case ENCR_DES:
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case ENCR_3DES:
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case ENCR_RC5:
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case ENCR_IDEA:
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case ENCR_CAST:
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case ENCR_BLOWFISH:
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case ENCR_3IDEA:
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case ENCR_AES_CBC:
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case ENCR_CAMELLIA_CBC:
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case ENCR_SERPENT_CBC:
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case ENCR_TWOFISH_CBC:
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case ENCR_RC2_CBC:
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case ENCR_AES_CFB:
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return iv_gen_rand_create();
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case ENCR_AES_CTR:
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case ENCR_AES_CCM_ICV8:
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case ENCR_AES_CCM_ICV12:
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case ENCR_AES_CCM_ICV16:
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case ENCR_AES_GCM_ICV8:
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case ENCR_AES_GCM_ICV12:
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case ENCR_AES_GCM_ICV16:
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case ENCR_CAMELLIA_CTR:
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case ENCR_CAMELLIA_CCM_ICV8:
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case ENCR_CAMELLIA_CCM_ICV12:
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case ENCR_CAMELLIA_CCM_ICV16:
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case ENCR_CHACHA20_POLY1305:
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case ENCR_NULL_AUTH_AES_GMAC:
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return iv_gen_seq_create();
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case ENCR_NULL:
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return iv_gen_null_create();
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case ENCR_UNDEFINED:
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case ENCR_DES_ECB:
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case ENCR_DES_IV32:
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case ENCR_DES_IV64:
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case ENCR_AES_ECB:
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break;
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}
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return NULL;
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}
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