diff options
-rw-r--r-- | src/lib/libcrypto/evp/cipher_method_lib.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/lib/libcrypto/evp/cipher_method_lib.c b/src/lib/libcrypto/evp/cipher_method_lib.c new file mode 100644 index 0000000000..272e48249e --- /dev/null +++ b/src/lib/libcrypto/evp/cipher_method_lib.c | |||
@@ -0,0 +1,151 @@ | |||
1 | /* | ||
2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. | ||
3 | * | ||
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 | ||
8 | */ | ||
9 | |||
10 | #include <string.h> | ||
11 | |||
12 | #include <openssl/evp.h> | ||
13 | #include "crypto/evp.h" | ||
14 | #include "evp_local.h" | ||
15 | |||
16 | EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len) | ||
17 | { | ||
18 | EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER)); | ||
19 | |||
20 | if (cipher != NULL) { | ||
21 | cipher->nid = cipher_type; | ||
22 | cipher->block_size = block_size; | ||
23 | cipher->key_len = key_len; | ||
24 | } | ||
25 | return cipher; | ||
26 | } | ||
27 | |||
28 | EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher) | ||
29 | { | ||
30 | EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size, | ||
31 | cipher->key_len); | ||
32 | |||
33 | if (to != NULL) | ||
34 | memcpy(to, cipher, sizeof(*to)); | ||
35 | return to; | ||
36 | } | ||
37 | |||
38 | void EVP_CIPHER_meth_free(EVP_CIPHER *cipher) | ||
39 | { | ||
40 | OPENSSL_free(cipher); | ||
41 | } | ||
42 | |||
43 | int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len) | ||
44 | { | ||
45 | cipher->iv_len = iv_len; | ||
46 | return 1; | ||
47 | } | ||
48 | |||
49 | int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags) | ||
50 | { | ||
51 | cipher->flags = flags; | ||
52 | return 1; | ||
53 | } | ||
54 | |||
55 | int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size) | ||
56 | { | ||
57 | cipher->ctx_size = ctx_size; | ||
58 | return 1; | ||
59 | } | ||
60 | |||
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, | ||
65 | int enc)) | ||
66 | { | ||
67 | cipher->init = init; | ||
68 | return 1; | ||
69 | } | ||
70 | |||
71 | int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher, | ||
72 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, | ||
73 | unsigned char *out, | ||
74 | const unsigned char *in, | ||
75 | size_t inl)) | ||
76 | { | ||
77 | cipher->do_cipher = do_cipher; | ||
78 | return 1; | ||
79 | } | ||
80 | |||
81 | int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher, | ||
82 | int (*cleanup) (EVP_CIPHER_CTX *)) | ||
83 | { | ||
84 | cipher->cleanup = cleanup; | ||
85 | return 1; | ||
86 | } | ||
87 | |||
88 | int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher, | ||
89 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, | ||
90 | ASN1_TYPE *)) | ||
91 | { | ||
92 | cipher->set_asn1_parameters = set_asn1_parameters; | ||
93 | return 1; | ||
94 | } | ||
95 | |||
96 | int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher, | ||
97 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, | ||
98 | ASN1_TYPE *)) | ||
99 | { | ||
100 | cipher->get_asn1_parameters = get_asn1_parameters; | ||
101 | return 1; | ||
102 | } | ||
103 | |||
104 | int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher, | ||
105 | int (*ctrl) (EVP_CIPHER_CTX *, int type, | ||
106 | int arg, void *ptr)) | ||
107 | { | ||
108 | cipher->ctrl = ctrl; | ||
109 | return 1; | ||
110 | } | ||
111 | |||
112 | |||
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, | ||
116 | int enc) | ||
117 | { | ||
118 | return cipher->init; | ||
119 | } | ||
120 | int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx, | ||
121 | unsigned char *out, | ||
122 | const unsigned char *in, | ||
123 | size_t inl) | ||
124 | { | ||
125 | return cipher->do_cipher; | ||
126 | } | ||
127 | |||
128 | int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *) | ||
129 | { | ||
130 | return cipher->cleanup; | ||
131 | } | ||
132 | |||
133 | int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, | ||
134 | ASN1_TYPE *) | ||
135 | { | ||
136 | return cipher->set_asn1_parameters; | ||
137 | } | ||
138 | |||
139 | int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, | ||
140 | ASN1_TYPE *) | ||
141 | { | ||
142 | return cipher->get_asn1_parameters; | ||
143 | } | ||
144 | |||
145 | int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, | ||
146 | int type, int arg, | ||
147 | void *ptr) | ||
148 | { | ||
149 | return cipher->ctrl; | ||
150 | } | ||
151 | |||