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 = (EVP_CIPHER *)OPENSSL_zalloc(sizeof(EVP_CIPHER));
69 cipher->nid = cipher_type;
70 cipher->block_size = block_size;
71 cipher->key_len = key_len;
76 EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher)
78 EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size,
81 memcpy(to, cipher, sizeof(*to));
85 void EVP_CIPHER_meth_free(EVP_CIPHER *cipher)
90 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len)
92 cipher->iv_len = iv_len;
96 int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags)
98 cipher->flags = flags;
102 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size)
104 cipher->ctx_size = ctx_size;
108 int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
109 int (*init) (EVP_CIPHER_CTX *ctx,
110 const unsigned char *key,
111 const unsigned char *iv,
118 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
119 int (*do_cipher) (EVP_CIPHER_CTX *ctx,
121 const unsigned char *in,
124 cipher->do_cipher = do_cipher;
128 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
129 int (*cleanup) (EVP_CIPHER_CTX *))
131 cipher->cleanup = cleanup;
135 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
136 int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
139 cipher->set_asn1_parameters = set_asn1_parameters;
143 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
144 int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
147 cipher->get_asn1_parameters = get_asn1_parameters;
151 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
152 int (*ctrl) (EVP_CIPHER_CTX *, int type,
160 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
161 const unsigned char *key,
162 const unsigned char *iv,
167 int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
169 const unsigned char *in,
172 return cipher->do_cipher;
175 int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *)
177 return cipher->cleanup;
180 int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
183 return cipher->set_asn1_parameters;
186 int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
189 return cipher->get_asn1_parameters;
192 int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,