src/libstrongswan/plugins/openssl/openssl_plugin.c

   1 /*
   2  * Copyright (C) 2008 Tobias Brunner
   3  * Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  *
  15  * $Id$
  16  */
  17
  18 #include <openssl/evp.h>
  19
  20 #include "openssl_plugin.h"
  21
  22 #include <library.h>
  23 #include "openssl_crypter.h"
  24 #include "openssl_hasher.h"
  25 #include "openssl_diffie_hellman.h"
  26 #include "openssl_ec_diffie_hellman.h"
  27 #include "openssl_rsa_private_key.h"
  28 #include "openssl_rsa_public_key.h"
  29
  30 typedef struct private_openssl_plugin_t private_openssl_plugin_t;
  31
  32 /**
  33  * private data of openssl_plugin
  34  */
  35 struct private_openssl_plugin_t {
  36
  37         /**
  38          * public functions
  39          */
  40         openssl_plugin_t public;
  41 };
  42
  43 /**
  44  * Implementation of openssl_plugin_t.destroy
  45  */
  46 static void destroy(private_openssl_plugin_t *this)
  47 {
  48         lib->crypto->remove_crypter(lib->crypto,
  49                                         (crypter_constructor_t)openssl_crypter_create);
  50         lib->crypto->remove_hasher(lib->crypto,
  51                                         (hasher_constructor_t)openssl_hasher_create);
  52         lib->crypto->remove_dh(lib->crypto,
  53                                         (dh_constructor_t)openssl_diffie_hellman_create);
  54         lib->crypto->remove_dh(lib->crypto,
  55                                         (dh_constructor_t)openssl_ec_diffie_hellman_create);
  56         lib->creds->remove_builder(lib->creds,
  57                                         (builder_constructor_t)openssl_rsa_private_key_builder);
  58         lib->creds->remove_builder(lib->creds,
  59                                         (builder_constructor_t)openssl_rsa_public_key_builder);
  60
  61         EVP_cleanup();
  62
  63         free(this);
  64 }
  65
  66 /*
  67  * see header file
  68  */
  69 plugin_t *plugin_create()
  70 {
  71         private_openssl_plugin_t *this = malloc_thing(private_openssl_plugin_t);
  72
  73         this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
  74
  75         OpenSSL_add_all_algorithms();
  76
  77         /* crypter */
  78         lib->crypto->add_crypter(lib->crypto, ENCR_DES,
  79                                         (crypter_constructor_t)openssl_crypter_create);
  80         lib->crypto->add_crypter(lib->crypto, ENCR_3DES,
  81                                         (crypter_constructor_t)openssl_crypter_create);
  82         lib->crypto->add_crypter(lib->crypto, ENCR_RC5,
  83                                         (crypter_constructor_t)openssl_crypter_create);
  84         lib->crypto->add_crypter(lib->crypto, ENCR_IDEA,
  85                                         (crypter_constructor_t)openssl_crypter_create);
  86         lib->crypto->add_crypter(lib->crypto, ENCR_CAST,
  87                                         (crypter_constructor_t)openssl_crypter_create);
  88         lib->crypto->add_crypter(lib->crypto, ENCR_BLOWFISH,
  89                                         (crypter_constructor_t)openssl_crypter_create);
  90         lib->crypto->add_crypter(lib->crypto, ENCR_NULL,
  91                                         (crypter_constructor_t)openssl_crypter_create);
  92         lib->crypto->add_crypter(lib->crypto, ENCR_AES_CBC,
  93                                         (crypter_constructor_t)openssl_crypter_create);
  94
  95         /* hasher */
  96         lib->crypto->add_hasher(lib->crypto, HASH_SHA1,
  97                                         (hasher_constructor_t)openssl_hasher_create);
  98         lib->crypto->add_hasher(lib->crypto, HASH_MD2,
  99                                         (hasher_constructor_t)openssl_hasher_create);
 100         lib->crypto->add_hasher(lib->crypto, HASH_MD5,
 101                                         (hasher_constructor_t)openssl_hasher_create);
 102         lib->crypto->add_hasher(lib->crypto, HASH_SHA256,
 103                                         (hasher_constructor_t)openssl_hasher_create);
 104         lib->crypto->add_hasher(lib->crypto, HASH_SHA384,
 105                                         (hasher_constructor_t)openssl_hasher_create);
 106         lib->crypto->add_hasher(lib->crypto, HASH_SHA512,
 107                                         (hasher_constructor_t)openssl_hasher_create);
 108
 109         /* diffie hellman */
 110         lib->crypto->add_dh(lib->crypto, MODP_768_BIT,
 111                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 112         lib->crypto->add_dh(lib->crypto, MODP_1024_BIT,
 113                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 114         lib->crypto->add_dh(lib->crypto, MODP_1536_BIT,
 115                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 116         lib->crypto->add_dh(lib->crypto, MODP_2048_BIT,
 117                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 118         lib->crypto->add_dh(lib->crypto, MODP_3072_BIT,
 119                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 120         lib->crypto->add_dh(lib->crypto, MODP_4096_BIT,
 121                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 122         lib->crypto->add_dh(lib->crypto, MODP_6144_BIT,
 123                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 124         lib->crypto->add_dh(lib->crypto, MODP_8192_BIT,
 125                                                 (dh_constructor_t)openssl_diffie_hellman_create);
 126
 127         /* ec diffie hellman */
 128         lib->crypto->add_dh(lib->crypto, ECP_256_BIT,
 129                                                 (dh_constructor_t)openssl_ec_diffie_hellman_create);
 130         lib->crypto->add_dh(lib->crypto, ECP_384_BIT,
 131                                                 (dh_constructor_t)openssl_ec_diffie_hellman_create);
 132         lib->crypto->add_dh(lib->crypto, ECP_521_BIT,
 133                                                 (dh_constructor_t)openssl_ec_diffie_hellman_create);
 134
 135         /* rsa */
 136         lib->creds->add_builder(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
 137                                                 (builder_constructor_t)openssl_rsa_private_key_builder);
 138         lib->creds->add_builder(lib->creds, CRED_PUBLIC_KEY, KEY_RSA,
 139                                                 (builder_constructor_t)openssl_rsa_public_key_builder);
 140
 141         return &this->public.plugin;
 142 }