diff options
Diffstat (limited to 'src/libstrongswan/crypto/iv/iv_gen.c')
| -rw-r--r-- | src/libstrongswan/crypto/iv/iv_gen.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/libstrongswan/crypto/iv/iv_gen.c b/src/libstrongswan/crypto/iv/iv_gen.c new file mode 100644 index 000000000..e18843210 --- /dev/null +++ b/src/libstrongswan/crypto/iv/iv_gen.c @@ -0,0 +1,61 @@ +/* + * 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" + +/** + * 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_NULL_AUTH_AES_GMAC: + return iv_gen_seq_create(); + case ENCR_NULL: + case ENCR_UNDEFINED: + case ENCR_DES_ECB: + case ENCR_DES_IV32: + case ENCR_DES_IV64: + break; + } + return NULL; +} |