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17e01abb | 1 | /* |
33388b44 | 2 | * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved. |
17e01abb | 3 | * |
e38873f5 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
aa6bb135 RS |
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 | ||
ada66e78 P |
10 | /* |
11 | * DH low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
706457b7 | 16 | #include "dh_local.h" |
17e01abb | 17 | #include <string.h> |
569d0646 | 18 | #include <openssl/err.h> |
17e01abb MC |
19 | |
20 | DH_METHOD *DH_meth_new(const char *name, int flags) | |
21 | { | |
bad6b116 | 22 | DH_METHOD *dhm = OPENSSL_zalloc(sizeof(*dhm)); |
17e01abb MC |
23 | |
24 | if (dhm != NULL) { | |
17e01abb | 25 | dhm->flags = flags; |
bad6b116 F |
26 | |
27 | dhm->name = OPENSSL_strdup(name); | |
28 | if (dhm->name != NULL) | |
29 | return dhm; | |
30 | ||
31 | OPENSSL_free(dhm); | |
17e01abb MC |
32 | } |
33 | ||
bad6b116 | 34 | return NULL; |
17e01abb MC |
35 | } |
36 | ||
37 | void DH_meth_free(DH_METHOD *dhm) | |
38 | { | |
39 | if (dhm != NULL) { | |
aca6dae9 | 40 | OPENSSL_free(dhm->name); |
17e01abb MC |
41 | OPENSSL_free(dhm); |
42 | } | |
43 | } | |
44 | ||
45 | DH_METHOD *DH_meth_dup(const DH_METHOD *dhm) | |
46 | { | |
bad6b116 | 47 | DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret)); |
17e01abb MC |
48 | |
49 | if (ret != NULL) { | |
50 | memcpy(ret, dhm, sizeof(*dhm)); | |
bad6b116 | 51 | |
17e01abb | 52 | ret->name = OPENSSL_strdup(dhm->name); |
bad6b116 F |
53 | if (ret->name != NULL) |
54 | return ret; | |
55 | ||
56 | OPENSSL_free(ret); | |
17e01abb MC |
57 | } |
58 | ||
bad6b116 | 59 | return NULL; |
17e01abb MC |
60 | } |
61 | ||
62 | const char *DH_meth_get0_name(const DH_METHOD *dhm) | |
63 | { | |
64 | return dhm->name; | |
65 | } | |
66 | ||
67 | int DH_meth_set1_name(DH_METHOD *dhm, const char *name) | |
68 | { | |
bad6b116 | 69 | char *tmpname = OPENSSL_strdup(name); |
6ef020c9 | 70 | |
e077455e | 71 | if (tmpname == NULL) |
6ef020c9 MC |
72 | return 0; |
73 | ||
17e01abb | 74 | OPENSSL_free(dhm->name); |
6ef020c9 | 75 | dhm->name = tmpname; |
17e01abb | 76 | |
6ef020c9 | 77 | return 1; |
17e01abb MC |
78 | } |
79 | ||
693be9a2 | 80 | int DH_meth_get_flags(const DH_METHOD *dhm) |
17e01abb MC |
81 | { |
82 | return dhm->flags; | |
83 | } | |
84 | ||
85 | int DH_meth_set_flags(DH_METHOD *dhm, int flags) | |
86 | { | |
87 | dhm->flags = flags; | |
88 | return 1; | |
89 | } | |
90 | ||
91 | void *DH_meth_get0_app_data(const DH_METHOD *dhm) | |
92 | { | |
93 | return dhm->app_data; | |
94 | } | |
95 | ||
96 | int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data) | |
97 | { | |
98 | dhm->app_data = app_data; | |
99 | return 1; | |
100 | } | |
101 | ||
102 | int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *) | |
103 | { | |
104 | return dhm->generate_key; | |
105 | } | |
106 | ||
107 | int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *)) | |
108 | { | |
109 | dhm->generate_key = generate_key; | |
110 | return 1; | |
111 | } | |
112 | ||
113 | int (*DH_meth_get_compute_key(const DH_METHOD *dhm)) | |
114 | (unsigned char *key, const BIGNUM *pub_key, DH *dh) | |
115 | { | |
116 | return dhm->compute_key; | |
117 | } | |
118 | ||
119 | int DH_meth_set_compute_key(DH_METHOD *dhm, | |
120 | int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh)) | |
121 | { | |
122 | dhm->compute_key = compute_key; | |
123 | return 1; | |
124 | } | |
125 | ||
126 | ||
127 | int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm)) | |
128 | (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, | |
129 | BN_CTX *, BN_MONT_CTX *) | |
130 | { | |
131 | return dhm->bn_mod_exp; | |
132 | } | |
133 | ||
134 | int DH_meth_set_bn_mod_exp(DH_METHOD *dhm, | |
135 | int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, | |
136 | const BIGNUM *, BN_CTX *, BN_MONT_CTX *)) | |
137 | { | |
138 | dhm->bn_mod_exp = bn_mod_exp; | |
139 | return 1; | |
140 | } | |
141 | ||
142 | int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *) | |
143 | { | |
144 | return dhm->init; | |
145 | } | |
146 | ||
147 | int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *)) | |
148 | { | |
149 | dhm->init = init; | |
150 | return 1; | |
151 | } | |
152 | ||
153 | int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *) | |
154 | { | |
155 | return dhm->finish; | |
156 | } | |
157 | ||
158 | int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *)) | |
159 | { | |
160 | dhm->finish = finish; | |
161 | return 1; | |
162 | } | |
163 | ||
164 | int (*DH_meth_get_generate_params(const DH_METHOD *dhm)) | |
165 | (DH *, int, int, BN_GENCB *) | |
166 | { | |
167 | return dhm->generate_params; | |
168 | } | |
169 | ||
170 | int DH_meth_set_generate_params(DH_METHOD *dhm, | |
171 | int (*generate_params) (DH *, int, int, BN_GENCB *)) | |
172 | { | |
173 | dhm->generate_params = generate_params; | |
174 | return 1; | |
175 | } |