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17e01abb MC |
1 | /* |
2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
aa6bb135 RS |
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 | |
17e01abb | 7 | * https://www.openssl.org/source/license.html |
17e01abb MC |
8 | */ |
9 | ||
17e01abb MC |
10 | #include "dh_locl.h" |
11 | #include <string.h> | |
12 | ||
13 | DH_METHOD *DH_meth_new(const char *name, int flags) | |
14 | { | |
15 | DH_METHOD *dhm = OPENSSL_zalloc(sizeof(DH_METHOD)); | |
16 | ||
17 | if (dhm != NULL) { | |
18 | dhm->name = OPENSSL_strdup(name); | |
19 | dhm->flags = flags; | |
20 | } | |
21 | ||
22 | return dhm; | |
23 | } | |
24 | ||
25 | void DH_meth_free(DH_METHOD *dhm) | |
26 | { | |
27 | if (dhm != NULL) { | |
28 | if (dhm->name != NULL) | |
29 | OPENSSL_free(dhm->name); | |
30 | OPENSSL_free(dhm); | |
31 | } | |
32 | } | |
33 | ||
34 | DH_METHOD *DH_meth_dup(const DH_METHOD *dhm) | |
35 | { | |
36 | DH_METHOD *ret; | |
37 | ||
38 | ret = OPENSSL_malloc(sizeof(DH_METHOD)); | |
39 | ||
40 | if (ret != NULL) { | |
41 | memcpy(ret, dhm, sizeof(*dhm)); | |
42 | ret->name = OPENSSL_strdup(dhm->name); | |
43 | } | |
44 | ||
45 | return ret; | |
46 | } | |
47 | ||
48 | const char *DH_meth_get0_name(const DH_METHOD *dhm) | |
49 | { | |
50 | return dhm->name; | |
51 | } | |
52 | ||
53 | int DH_meth_set1_name(DH_METHOD *dhm, const char *name) | |
54 | { | |
55 | OPENSSL_free(dhm->name); | |
56 | dhm->name = OPENSSL_strdup(name); | |
57 | ||
58 | return dhm->name != NULL; | |
59 | } | |
60 | ||
61 | int DH_meth_get_flags(DH_METHOD *dhm) | |
62 | { | |
63 | return dhm->flags; | |
64 | } | |
65 | ||
66 | int DH_meth_set_flags(DH_METHOD *dhm, int flags) | |
67 | { | |
68 | dhm->flags = flags; | |
69 | return 1; | |
70 | } | |
71 | ||
72 | void *DH_meth_get0_app_data(const DH_METHOD *dhm) | |
73 | { | |
74 | return dhm->app_data; | |
75 | } | |
76 | ||
77 | int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data) | |
78 | { | |
79 | dhm->app_data = app_data; | |
80 | return 1; | |
81 | } | |
82 | ||
83 | int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *) | |
84 | { | |
85 | return dhm->generate_key; | |
86 | } | |
87 | ||
88 | int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *)) | |
89 | { | |
90 | dhm->generate_key = generate_key; | |
91 | return 1; | |
92 | } | |
93 | ||
94 | int (*DH_meth_get_compute_key(const DH_METHOD *dhm)) | |
95 | (unsigned char *key, const BIGNUM *pub_key, DH *dh) | |
96 | { | |
97 | return dhm->compute_key; | |
98 | } | |
99 | ||
100 | int DH_meth_set_compute_key(DH_METHOD *dhm, | |
101 | int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh)) | |
102 | { | |
103 | dhm->compute_key = compute_key; | |
104 | return 1; | |
105 | } | |
106 | ||
107 | ||
108 | int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm)) | |
109 | (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, | |
110 | BN_CTX *, BN_MONT_CTX *) | |
111 | { | |
112 | return dhm->bn_mod_exp; | |
113 | } | |
114 | ||
115 | int DH_meth_set_bn_mod_exp(DH_METHOD *dhm, | |
116 | int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, | |
117 | const BIGNUM *, BN_CTX *, BN_MONT_CTX *)) | |
118 | { | |
119 | dhm->bn_mod_exp = bn_mod_exp; | |
120 | return 1; | |
121 | } | |
122 | ||
123 | int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *) | |
124 | { | |
125 | return dhm->init; | |
126 | } | |
127 | ||
128 | int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *)) | |
129 | { | |
130 | dhm->init = init; | |
131 | return 1; | |
132 | } | |
133 | ||
134 | int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *) | |
135 | { | |
136 | return dhm->finish; | |
137 | } | |
138 | ||
139 | int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *)) | |
140 | { | |
141 | dhm->finish = finish; | |
142 | return 1; | |
143 | } | |
144 | ||
145 | int (*DH_meth_get_generate_params(const DH_METHOD *dhm)) | |
146 | (DH *, int, int, BN_GENCB *) | |
147 | { | |
148 | return dhm->generate_params; | |
149 | } | |
150 | ||
151 | int DH_meth_set_generate_params(DH_METHOD *dhm, | |
152 | int (*generate_params) (DH *, int, int, BN_GENCB *)) | |
153 | { | |
154 | dhm->generate_params = generate_params; | |
155 | return 1; | |
156 | } |