| /* |
| * Written by Richard Levitte (levitte@openssl.org) for the OpenSSL project |
| * 2015. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 2015 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * licensing@OpenSSL.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| #include <string.h> |
| |
| #include <openssl/evp.h> |
| #include "internal/evp_int.h" |
| #include "evp_locl.h" |
| |
| EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len) |
| { |
| EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER)); |
| |
| if (cipher != NULL) { |
| cipher->nid = cipher_type; |
| cipher->block_size = block_size; |
| cipher->key_len = key_len; |
| } |
| return cipher; |
| } |
| |
| EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher) |
| { |
| EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size, |
| cipher->key_len); |
| |
| if (to != NULL) |
| memcpy(to, cipher, sizeof(*to)); |
| return to; |
| } |
| |
| void EVP_CIPHER_meth_free(EVP_CIPHER *cipher) |
| { |
| OPENSSL_free(cipher); |
| } |
| |
| int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len) |
| { |
| cipher->iv_len = iv_len; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags) |
| { |
| cipher->flags = flags; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size) |
| { |
| cipher->ctx_size = ctx_size; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher, |
| int (*init) (EVP_CIPHER_CTX *ctx, |
| const unsigned char *key, |
| const unsigned char *iv, |
| int enc)) |
| { |
| cipher->init = init; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher, |
| int (*do_cipher) (EVP_CIPHER_CTX *ctx, |
| unsigned char *out, |
| const unsigned char *in, |
| size_t inl)) |
| { |
| cipher->do_cipher = do_cipher; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher, |
| int (*cleanup) (EVP_CIPHER_CTX *)) |
| { |
| cipher->cleanup = cleanup; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher, |
| int (*set_asn1_parameters) (EVP_CIPHER_CTX *, |
| ASN1_TYPE *)) |
| { |
| cipher->set_asn1_parameters = set_asn1_parameters; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher, |
| int (*get_asn1_parameters) (EVP_CIPHER_CTX *, |
| ASN1_TYPE *)) |
| { |
| cipher->get_asn1_parameters = get_asn1_parameters; |
| return 1; |
| } |
| |
| int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher, |
| int (*ctrl) (EVP_CIPHER_CTX *, int type, |
| int arg, void *ptr)) |
| { |
| cipher->ctrl = ctrl; |
| return 1; |
| } |
| |
| |
| int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx, |
| const unsigned char *key, |
| const unsigned char *iv, |
| int enc) |
| { |
| return cipher->init; |
| } |
| int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx, |
| unsigned char *out, |
| const unsigned char *in, |
| size_t inl) |
| { |
| return cipher->do_cipher; |
| } |
| |
| int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *) |
| { |
| return cipher->cleanup; |
| } |
| |
| int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, |
| ASN1_TYPE *) |
| { |
| return cipher->set_asn1_parameters; |
| } |
| |
| int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, |
| ASN1_TYPE *) |
| { |
| return cipher->get_asn1_parameters; |
| } |
| |
| int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, |
| int type, int arg, |
| void *ptr) |
| { |
| return cipher->ctrl; |
| } |
| |