diff options
Diffstat (limited to 'src/libstrongswan/plugins/openssl/openssl_crypter.c')
| -rw-r--r-- | src/libstrongswan/plugins/openssl/openssl_crypter.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/src/libstrongswan/plugins/openssl/openssl_crypter.c b/src/libstrongswan/plugins/openssl/openssl_crypter.c index 424fec60a..a8923ab56 100644 --- a/src/libstrongswan/plugins/openssl/openssl_crypter.c +++ b/src/libstrongswan/plugins/openssl/openssl_crypter.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2008 Tobias Brunner - * Hochschule fuer Technik Rapperswil + * Hochschule fuer Technik Rapperswil * * 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 @@ -23,17 +23,17 @@ typedef struct private_openssl_crypter_t private_openssl_crypter_t; * Private data of openssl_crypter_t */ struct private_openssl_crypter_t { - + /** * Public part of this class. */ openssl_crypter_t public; - + /* * the key */ chunk_t key; - + /* * the cipher to use */ @@ -49,17 +49,17 @@ typedef struct { * Identifier specified in IKEv2 */ int ikev2_id; - + /** * Name of the algorithm, as used in OpenSSL */ char *name; - + /** * Minimum valid key length in bytes */ size_t key_size_min; - + /** * Maximum valid key length in bytes */ @@ -91,7 +91,7 @@ static openssl_algorithm_t encryption_algs[] = { /** * Look up an OpenSSL algorithm name and validate its key size */ -static char* lookup_algorithm(openssl_algorithm_t *openssl_algo, +static char* lookup_algorithm(openssl_algorithm_t *openssl_algo, u_int16_t ikev2_algo, size_t *key_size) { while (openssl_algo->ikev2_id != END_OF_LIST) @@ -104,7 +104,7 @@ static char* lookup_algorithm(openssl_algorithm_t *openssl_algo, { *key_size = openssl_algo->key_size_min; } - + /* validate key size */ if (*key_size < openssl_algo->key_size_min || *key_size > openssl_algo->key_size_max) @@ -123,7 +123,7 @@ static void crypt(private_openssl_crypter_t *this, chunk_t data, { int len; u_char *out; - + out = data.ptr; if (dst) { @@ -144,7 +144,7 @@ static void crypt(private_openssl_crypter_t *this, chunk_t data, /** * Implementation of crypter_t.decrypt. */ -static void decrypt(private_openssl_crypter_t *this, chunk_t data, +static void decrypt(private_openssl_crypter_t *this, chunk_t data, chunk_t iv, chunk_t *dst) { crypt(this, data, iv, dst, 0); @@ -154,7 +154,7 @@ static void decrypt(private_openssl_crypter_t *this, chunk_t data, /** * Implementation of crypter_t.encrypt. */ -static void encrypt (private_openssl_crypter_t *this, chunk_t data, +static void encrypt (private_openssl_crypter_t *this, chunk_t data, chunk_t iv, chunk_t *dst) { crypt(this, data, iv, dst, 1); @@ -196,13 +196,13 @@ static void destroy (private_openssl_crypter_t *this) /* * Described in header */ -openssl_crypter_t *openssl_crypter_create(encryption_algorithm_t algo, +openssl_crypter_t *openssl_crypter_create(encryption_algorithm_t algo, size_t key_size) { private_openssl_crypter_t *this; - + this = malloc_thing(private_openssl_crypter_t); - + switch (algo) { case ENCR_NULL: @@ -218,7 +218,7 @@ openssl_crypter_t *openssl_crypter_create(encryption_algorithm_t algo, this->cipher = EVP_get_cipherbyname("aes192"); break; case 32: /* AES-256 */ - this->cipher = EVP_get_cipherbyname("aes256"); + this->cipher = EVP_get_cipherbyname("aes256"); break; default: free(this); @@ -235,7 +235,7 @@ openssl_crypter_t *openssl_crypter_create(encryption_algorithm_t algo, this->cipher = EVP_get_cipherbyname("camellia192"); break; case 32: /* CAMELLIA 256 */ - this->cipher = EVP_get_cipherbyname("camellia256"); + this->cipher = EVP_get_cipherbyname("camellia256"); break; default: free(this); @@ -258,22 +258,22 @@ openssl_crypter_t *openssl_crypter_create(encryption_algorithm_t algo, break; } } - + if (!this->cipher) { /* OpenSSL does not support the requested algo */ free(this); return NULL; } - + this->key = chunk_alloc(key_size); - + this->public.crypter_interface.encrypt = (void (*) (crypter_t *, chunk_t,chunk_t, chunk_t *)) encrypt; this->public.crypter_interface.decrypt = (void (*) (crypter_t *, chunk_t , chunk_t, chunk_t *)) decrypt; this->public.crypter_interface.get_block_size = (size_t (*) (crypter_t *)) get_block_size; this->public.crypter_interface.get_key_size = (size_t (*) (crypter_t *)) get_key_size; this->public.crypter_interface.set_key = (void (*) (crypter_t *,chunk_t)) set_key; this->public.crypter_interface.destroy = (void (*) (crypter_t *)) destroy; - + return &this->public; } |