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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> | |
569d0646 | 12 | #include <openssl/err.h> |
17e01abb MC |
13 | |
14 | DH_METHOD *DH_meth_new(const char *name, int flags) | |
15 | { | |
bad6b116 | 16 | DH_METHOD *dhm = OPENSSL_zalloc(sizeof(*dhm)); |
17e01abb MC |
17 | |
18 | if (dhm != NULL) { | |
17e01abb | 19 | dhm->flags = flags; |
bad6b116 F |
20 | |
21 | dhm->name = OPENSSL_strdup(name); | |
22 | if (dhm->name != NULL) | |
23 | return dhm; | |
24 | ||
25 | OPENSSL_free(dhm); | |
17e01abb MC |
26 | } |
27 | ||
bad6b116 F |
28 | DHerr(DH_F_DH_METH_NEW, ERR_R_MALLOC_FAILURE); |
29 | return NULL; | |
17e01abb MC |
30 | } |
31 | ||
32 | void DH_meth_free(DH_METHOD *dhm) | |
33 | { | |
34 | if (dhm != NULL) { | |
aca6dae9 | 35 | OPENSSL_free(dhm->name); |
17e01abb MC |
36 | OPENSSL_free(dhm); |
37 | } | |
38 | } | |
39 | ||
40 | DH_METHOD *DH_meth_dup(const DH_METHOD *dhm) | |
41 | { | |
bad6b116 | 42 | DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret)); |
17e01abb MC |
43 | |
44 | if (ret != NULL) { | |
45 | memcpy(ret, dhm, sizeof(*dhm)); | |
bad6b116 | 46 | |
17e01abb | 47 | ret->name = OPENSSL_strdup(dhm->name); |
bad6b116 F |
48 | if (ret->name != NULL) |
49 | return ret; | |
50 | ||
51 | OPENSSL_free(ret); | |
17e01abb MC |
52 | } |
53 | ||
bad6b116 F |
54 | DHerr(DH_F_DH_METH_DUP, ERR_R_MALLOC_FAILURE); |
55 | return NULL; | |
17e01abb MC |
56 | } |
57 | ||
58 | const char *DH_meth_get0_name(const DH_METHOD *dhm) | |
59 | { | |
60 | return dhm->name; | |
61 | } | |
62 | ||
63 | int DH_meth_set1_name(DH_METHOD *dhm, const char *name) | |
64 | { | |
bad6b116 | 65 | char *tmpname = OPENSSL_strdup(name); |
6ef020c9 | 66 | |
569d0646 MC |
67 | if (tmpname == NULL) { |
68 | DHerr(DH_F_DH_METH_SET1_NAME, ERR_R_MALLOC_FAILURE); | |
6ef020c9 | 69 | return 0; |
569d0646 | 70 | } |
6ef020c9 | 71 | |
17e01abb | 72 | OPENSSL_free(dhm->name); |
6ef020c9 | 73 | dhm->name = tmpname; |
17e01abb | 74 | |
6ef020c9 | 75 | return 1; |
17e01abb MC |
76 | } |
77 | ||
693be9a2 | 78 | int DH_meth_get_flags(const DH_METHOD *dhm) |
17e01abb MC |
79 | { |
80 | return dhm->flags; | |
81 | } | |
82 | ||
83 | int DH_meth_set_flags(DH_METHOD *dhm, int flags) | |
84 | { | |
85 | dhm->flags = flags; | |
86 | return 1; | |
87 | } | |
88 | ||
89 | void *DH_meth_get0_app_data(const DH_METHOD *dhm) | |
90 | { | |
91 | return dhm->app_data; | |
92 | } | |
93 | ||
94 | int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data) | |
95 | { | |
96 | dhm->app_data = app_data; | |
97 | return 1; | |
98 | } | |
99 | ||
100 | int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *) | |
101 | { | |
102 | return dhm->generate_key; | |
103 | } | |
104 | ||
105 | int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *)) | |
106 | { | |
107 | dhm->generate_key = generate_key; | |
108 | return 1; | |
109 | } | |
110 | ||
111 | int (*DH_meth_get_compute_key(const DH_METHOD *dhm)) | |
112 | (unsigned char *key, const BIGNUM *pub_key, DH *dh) | |
113 | { | |
114 | return dhm->compute_key; | |
115 | } | |
116 | ||
117 | int DH_meth_set_compute_key(DH_METHOD *dhm, | |
118 | int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh)) | |
119 | { | |
120 | dhm->compute_key = compute_key; | |
121 | return 1; | |
122 | } | |
123 | ||
124 | ||
125 | int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm)) | |
126 | (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, | |
127 | BN_CTX *, BN_MONT_CTX *) | |
128 | { | |
129 | return dhm->bn_mod_exp; | |
130 | } | |
131 | ||
132 | int DH_meth_set_bn_mod_exp(DH_METHOD *dhm, | |
133 | int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, | |
134 | const BIGNUM *, BN_CTX *, BN_MONT_CTX *)) | |
135 | { | |
136 | dhm->bn_mod_exp = bn_mod_exp; | |
137 | return 1; | |
138 | } | |
139 | ||
140 | int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *) | |
141 | { | |
142 | return dhm->init; | |
143 | } | |
144 | ||
145 | int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *)) | |
146 | { | |
147 | dhm->init = init; | |
148 | return 1; | |
149 | } | |
150 | ||
151 | int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *) | |
152 | { | |
153 | return dhm->finish; | |
154 | } | |
155 | ||
156 | int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *)) | |
157 | { | |
158 | dhm->finish = finish; | |
159 | return 1; | |
160 | } | |
161 | ||
162 | int (*DH_meth_get_generate_params(const DH_METHOD *dhm)) | |
163 | (DH *, int, int, BN_GENCB *) | |
164 | { | |
165 | return dhm->generate_params; | |
166 | } | |
167 | ||
168 | int DH_meth_set_generate_params(DH_METHOD *dhm, | |
169 | int (*generate_params) (DH *, int, int, BN_GENCB *)) | |
170 | { | |
171 | dhm->generate_params = generate_params; | |
172 | return 1; | |
173 | } |