programs/charon/lib/crypto/crypters/crypter.c

   1 /**
   2  * @file crypter.c
   3  *
   4  * @brief Generic constructor for crypter_t.
   5  *
   6  */
   7
   8 /*
   9  * Copyright (C) 2005 Jan Hutter, Martin Willi
  10  * Hochschule fuer Technik Rapperswil
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the
  14  * Free Software Foundation; either version 2 of the License, or (at your
  15  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20  * for more details.
  21  */
  22
  23
  24 #include "crypter.h"
  25
  26 #include <crypto/crypters/aes_cbc_crypter.h>
  27
  28
  29 /**
  30  * String mappings for encryption_algorithm_t.
  31  */
  32 mapping_t encryption_algorithm_m[] = {
  33 {ENCR_UNDEFINED, "ENCR_UNDEFINED"},
  34 {ENCR_DES_IV64, "ENCR_DES_IV64"},
  35 {ENCR_DES, "ENCR_DES"},
  36 {ENCR_3DES, "ENCR_3DES"},
  37 {ENCR_RC5, "ENCR_RC5"},
  38 {ENCR_IDEA, "ENCR_IDEA"},
  39 {ENCR_CAST, "ENCR_CAST"},
  40 {ENCR_BLOWFISH, "ENCR_BLOWFISH"},
  41 {ENCR_3IDEA, "ENCR_3IDEA"},
  42 {ENCR_DES_IV32, "ENCR_DES_IV32"},
  43 {ENCR_NULL, "ENCR_NULL"},
  44 {ENCR_AES_CBC, "ENCR_AES_CBC"},
  45 {ENCR_AES_CTR, "ENCR_AES_CTR"},
  46 {MAPPING_END, NULL}
  47 };
  48
  49 /*
  50  * Described in header.
  51  */
  52 crypter_t *crypter_create(encryption_algorithm_t encryption_algorithm, size_t key_size)
  53 {
  54         switch (encryption_algorithm)
  55         {
  56                 case ENCR_AES_CBC:
  57                 {
  58                         return (crypter_t*)aes_cbc_crypter_create(key_size);
  59                 }
  60                 default:
  61                         return NULL;
  62         }
  63 }