2 * Written by Richard Levitte (levitte@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/evp.h>
62 #include "internal/evp_int.h"
65 EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len)
67 EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER));
70 cipher->nid = cipher_type;
71 cipher->block_size = block_size;
72 cipher->key_len = key_len;
77 EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher)
79 EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size,
83 memcpy(to, cipher, sizeof(*to));
87 void EVP_CIPHER_meth_free(EVP_CIPHER *cipher)
92 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len)
94 cipher->iv_len = iv_len;
98 int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags)
100 cipher->flags = flags;
104 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size)
106 cipher->ctx_size = ctx_size;
110 int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
111 int (*init) (EVP_CIPHER_CTX *ctx,
112 const unsigned char *key,
113 const unsigned char *iv,
120 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
121 int (*do_cipher) (EVP_CIPHER_CTX *ctx,
123 const unsigned char *in,
126 cipher->do_cipher = do_cipher;
130 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
131 int (*cleanup) (EVP_CIPHER_CTX *))
133 cipher->cleanup = cleanup;
137 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
138 int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
141 cipher->set_asn1_parameters = set_asn1_parameters;
145 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
146 int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
149 cipher->get_asn1_parameters = get_asn1_parameters;
153 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
154 int (*ctrl) (EVP_CIPHER_CTX *, int type,
162 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
163 const unsigned char *key,
164 const unsigned char *iv,
169 int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
171 const unsigned char *in,
174 return cipher->do_cipher;
177 int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *)
179 return cipher->cleanup;
182 int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
185 return cipher->set_asn1_parameters;
188 int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
191 return cipher->get_asn1_parameters;
194 int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,