3 * Written by Richard Levitte (levitte@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/evp.h>
63 #include "internal/evp_int.h"
66 EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len)
68 EVP_CIPHER *cipher = (EVP_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,
82 memcpy(to, cipher, sizeof(*to));
86 void EVP_CIPHER_meth_free(EVP_CIPHER *cipher)
91 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len)
93 cipher->iv_len = iv_len;
97 int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags)
99 cipher->flags = flags;
103 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size)
105 cipher->ctx_size = ctx_size;
109 int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
110 int (*init) (EVP_CIPHER_CTX *ctx,
111 const unsigned char *key,
112 const unsigned char *iv,
119 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
120 int (*do_cipher) (EVP_CIPHER_CTX *ctx,
122 const unsigned char *in,
125 cipher->do_cipher = do_cipher;
129 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
130 int (*cleanup) (EVP_CIPHER_CTX *))
132 cipher->cleanup = cleanup;
136 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
137 int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
140 cipher->set_asn1_parameters = set_asn1_parameters;
144 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
145 int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
148 cipher->get_asn1_parameters = get_asn1_parameters;
152 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
153 int (*ctrl) (EVP_CIPHER_CTX *, int type,
161 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
162 const unsigned char *key,
163 const unsigned char *iv,
168 int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
170 const unsigned char *in,
173 return cipher->do_cipher;
176 int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *)
178 return cipher->cleanup;
181 int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
184 return cipher->set_asn1_parameters;
187 int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
190 return cipher->get_asn1_parameters;
193 int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,