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1 | /* |
2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the OpenSSL licenses, (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * https://www.openssl.org/source/license.html | |
8 | * or in the file LICENSE in the source distribution. | |
9 | */ | |
10 | ||
11 | ||
12 | #include "dh_locl.h" | |
13 | #include <string.h> | |
14 | ||
15 | DH_METHOD *DH_meth_new(const char *name, int flags) | |
16 | { | |
17 | DH_METHOD *dhm = OPENSSL_zalloc(sizeof(DH_METHOD)); | |
18 | ||
19 | if (dhm != NULL) { | |
20 | dhm->name = OPENSSL_strdup(name); | |
21 | dhm->flags = flags; | |
22 | } | |
23 | ||
24 | return dhm; | |
25 | } | |
26 | ||
27 | void DH_meth_free(DH_METHOD *dhm) | |
28 | { | |
29 | if (dhm != NULL) { | |
30 | if (dhm->name != NULL) | |
31 | OPENSSL_free(dhm->name); | |
32 | OPENSSL_free(dhm); | |
33 | } | |
34 | } | |
35 | ||
36 | DH_METHOD *DH_meth_dup(const DH_METHOD *dhm) | |
37 | { | |
38 | DH_METHOD *ret; | |
39 | ||
40 | ret = OPENSSL_malloc(sizeof(DH_METHOD)); | |
41 | ||
42 | if (ret != NULL) { | |
43 | memcpy(ret, dhm, sizeof(*dhm)); | |
44 | ret->name = OPENSSL_strdup(dhm->name); | |
45 | } | |
46 | ||
47 | return ret; | |
48 | } | |
49 | ||
50 | const char *DH_meth_get0_name(const DH_METHOD *dhm) | |
51 | { | |
52 | return dhm->name; | |
53 | } | |
54 | ||
55 | int DH_meth_set1_name(DH_METHOD *dhm, const char *name) | |
56 | { | |
57 | OPENSSL_free(dhm->name); | |
58 | dhm->name = OPENSSL_strdup(name); | |
59 | ||
60 | return dhm->name != NULL; | |
61 | } | |
62 | ||
63 | int DH_meth_get_flags(DH_METHOD *dhm) | |
64 | { | |
65 | return dhm->flags; | |
66 | } | |
67 | ||
68 | int DH_meth_set_flags(DH_METHOD *dhm, int flags) | |
69 | { | |
70 | dhm->flags = flags; | |
71 | return 1; | |
72 | } | |
73 | ||
74 | void *DH_meth_get0_app_data(const DH_METHOD *dhm) | |
75 | { | |
76 | return dhm->app_data; | |
77 | } | |
78 | ||
79 | int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data) | |
80 | { | |
81 | dhm->app_data = app_data; | |
82 | return 1; | |
83 | } | |
84 | ||
85 | int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *) | |
86 | { | |
87 | return dhm->generate_key; | |
88 | } | |
89 | ||
90 | int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *)) | |
91 | { | |
92 | dhm->generate_key = generate_key; | |
93 | return 1; | |
94 | } | |
95 | ||
96 | int (*DH_meth_get_compute_key(const DH_METHOD *dhm)) | |
97 | (unsigned char *key, const BIGNUM *pub_key, DH *dh) | |
98 | { | |
99 | return dhm->compute_key; | |
100 | } | |
101 | ||
102 | int DH_meth_set_compute_key(DH_METHOD *dhm, | |
103 | int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh)) | |
104 | { | |
105 | dhm->compute_key = compute_key; | |
106 | return 1; | |
107 | } | |
108 | ||
109 | ||
110 | int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm)) | |
111 | (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, | |
112 | BN_CTX *, BN_MONT_CTX *) | |
113 | { | |
114 | return dhm->bn_mod_exp; | |
115 | } | |
116 | ||
117 | int DH_meth_set_bn_mod_exp(DH_METHOD *dhm, | |
118 | int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, | |
119 | const BIGNUM *, BN_CTX *, BN_MONT_CTX *)) | |
120 | { | |
121 | dhm->bn_mod_exp = bn_mod_exp; | |
122 | return 1; | |
123 | } | |
124 | ||
125 | int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *) | |
126 | { | |
127 | return dhm->init; | |
128 | } | |
129 | ||
130 | int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *)) | |
131 | { | |
132 | dhm->init = init; | |
133 | return 1; | |
134 | } | |
135 | ||
136 | int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *) | |
137 | { | |
138 | return dhm->finish; | |
139 | } | |
140 | ||
141 | int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *)) | |
142 | { | |
143 | dhm->finish = finish; | |
144 | return 1; | |
145 | } | |
146 | ||
147 | int (*DH_meth_get_generate_params(const DH_METHOD *dhm)) | |
148 | (DH *, int, int, BN_GENCB *) | |
149 | { | |
150 | return dhm->generate_params; | |
151 | } | |
152 | ||
153 | int DH_meth_set_generate_params(DH_METHOD *dhm, | |
154 | int (*generate_params) (DH *, int, int, BN_GENCB *)) | |
155 | { | |
156 | dhm->generate_params = generate_params; | |
157 | return 1; | |
158 | } |