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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/evp/cmeth_lib.c
2 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include <openssl/evp.h>
13 #include "internal/evp_int.h"
16 EVP_CIPHER
*EVP_CIPHER_meth_new(int cipher_type
, int block_size
, int key_len
)
18 EVP_CIPHER
*cipher
= OPENSSL_zalloc(sizeof(EVP_CIPHER
));
21 cipher
->nid
= cipher_type
;
22 cipher
->block_size
= block_size
;
23 cipher
->key_len
= key_len
;
28 EVP_CIPHER
*EVP_CIPHER_meth_dup(const EVP_CIPHER
*cipher
)
30 EVP_CIPHER
*to
= EVP_CIPHER_meth_new(cipher
->nid
, cipher
->block_size
,
34 memcpy(to
, cipher
, sizeof(*to
));
38 void EVP_CIPHER_meth_free(EVP_CIPHER
*cipher
)
43 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER
*cipher
, int iv_len
)
45 cipher
->iv_len
= iv_len
;
49 int EVP_CIPHER_meth_set_flags(EVP_CIPHER
*cipher
, unsigned long flags
)
51 cipher
->flags
= flags
;
55 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER
*cipher
, int ctx_size
)
57 cipher
->ctx_size
= ctx_size
;
61 int EVP_CIPHER_meth_set_init(EVP_CIPHER
*cipher
,
62 int (*init
) (EVP_CIPHER_CTX
*ctx
,
63 const unsigned char *key
,
64 const unsigned char *iv
,
71 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER
*cipher
,
72 int (*do_cipher
) (EVP_CIPHER_CTX
*ctx
,
74 const unsigned char *in
,
77 cipher
->do_cipher
= do_cipher
;
81 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER
*cipher
,
82 int (*cleanup
) (EVP_CIPHER_CTX
*))
84 cipher
->cleanup
= cleanup
;
88 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER
*cipher
,
89 int (*set_asn1_parameters
) (EVP_CIPHER_CTX
*,
92 cipher
->set_asn1_parameters
= set_asn1_parameters
;
96 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER
*cipher
,
97 int (*get_asn1_parameters
) (EVP_CIPHER_CTX
*,
100 cipher
->get_asn1_parameters
= get_asn1_parameters
;
104 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER
*cipher
,
105 int (*ctrl
) (EVP_CIPHER_CTX
*, int type
,
113 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER
*cipher
))(EVP_CIPHER_CTX
*ctx
,
114 const unsigned char *key
,
115 const unsigned char *iv
,
120 int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER
*cipher
))(EVP_CIPHER_CTX
*ctx
,
122 const unsigned char *in
,
125 return cipher
->do_cipher
;
128 int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER
*cipher
))(EVP_CIPHER_CTX
*)
130 return cipher
->cleanup
;
133 int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER
*cipher
))(EVP_CIPHER_CTX
*,
136 return cipher
->set_asn1_parameters
;
139 int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER
*cipher
))(EVP_CIPHER_CTX
*,
142 return cipher
->get_asn1_parameters
;
145 int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER
*cipher
))(EVP_CIPHER_CTX
*,