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17e01abb | 1 | /* |
c4d3c19b | 2 | * Copyright 2016-2018 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 F |
34 | DHerr(DH_F_DH_METH_NEW, ERR_R_MALLOC_FAILURE); |
35 | return NULL; | |
17e01abb MC |
36 | } |
37 | ||
38 | void DH_meth_free(DH_METHOD *dhm) | |
39 | { | |
40 | if (dhm != NULL) { | |
aca6dae9 | 41 | OPENSSL_free(dhm->name); |
17e01abb MC |
42 | OPENSSL_free(dhm); |
43 | } | |
44 | } | |
45 | ||
46 | DH_METHOD *DH_meth_dup(const DH_METHOD *dhm) | |
47 | { | |
bad6b116 | 48 | DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret)); |
17e01abb MC |
49 | |
50 | if (ret != NULL) { | |
51 | memcpy(ret, dhm, sizeof(*dhm)); | |
bad6b116 | 52 | |
17e01abb | 53 | ret->name = OPENSSL_strdup(dhm->name); |
bad6b116 F |
54 | if (ret->name != NULL) |
55 | return ret; | |
56 | ||
57 | OPENSSL_free(ret); | |
17e01abb MC |
58 | } |
59 | ||
bad6b116 F |
60 | DHerr(DH_F_DH_METH_DUP, ERR_R_MALLOC_FAILURE); |
61 | return NULL; | |
17e01abb MC |
62 | } |
63 | ||
64 | const char *DH_meth_get0_name(const DH_METHOD *dhm) | |
65 | { | |
66 | return dhm->name; | |
67 | } | |
68 | ||
69 | int DH_meth_set1_name(DH_METHOD *dhm, const char *name) | |
70 | { | |
bad6b116 | 71 | char *tmpname = OPENSSL_strdup(name); |
6ef020c9 | 72 | |
569d0646 MC |
73 | if (tmpname == NULL) { |
74 | DHerr(DH_F_DH_METH_SET1_NAME, ERR_R_MALLOC_FAILURE); | |
6ef020c9 | 75 | return 0; |
569d0646 | 76 | } |
6ef020c9 | 77 | |
17e01abb | 78 | OPENSSL_free(dhm->name); |
6ef020c9 | 79 | dhm->name = tmpname; |
17e01abb | 80 | |
6ef020c9 | 81 | return 1; |
17e01abb MC |
82 | } |
83 | ||
693be9a2 | 84 | int DH_meth_get_flags(const DH_METHOD *dhm) |
17e01abb MC |
85 | { |
86 | return dhm->flags; | |
87 | } | |
88 | ||
89 | int DH_meth_set_flags(DH_METHOD *dhm, int flags) | |
90 | { | |
91 | dhm->flags = flags; | |
92 | return 1; | |
93 | } | |
94 | ||
95 | void *DH_meth_get0_app_data(const DH_METHOD *dhm) | |
96 | { | |
97 | return dhm->app_data; | |
98 | } | |
99 | ||
100 | int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data) | |
101 | { | |
102 | dhm->app_data = app_data; | |
103 | return 1; | |
104 | } | |
105 | ||
106 | int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *) | |
107 | { | |
108 | return dhm->generate_key; | |
109 | } | |
110 | ||
111 | int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *)) | |
112 | { | |
113 | dhm->generate_key = generate_key; | |
114 | return 1; | |
115 | } | |
116 | ||
117 | int (*DH_meth_get_compute_key(const DH_METHOD *dhm)) | |
118 | (unsigned char *key, const BIGNUM *pub_key, DH *dh) | |
119 | { | |
120 | return dhm->compute_key; | |
121 | } | |
122 | ||
123 | int DH_meth_set_compute_key(DH_METHOD *dhm, | |
124 | int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh)) | |
125 | { | |
126 | dhm->compute_key = compute_key; | |
127 | return 1; | |
128 | } | |
129 | ||
130 | ||
131 | int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm)) | |
132 | (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, | |
133 | BN_CTX *, BN_MONT_CTX *) | |
134 | { | |
135 | return dhm->bn_mod_exp; | |
136 | } | |
137 | ||
138 | int DH_meth_set_bn_mod_exp(DH_METHOD *dhm, | |
139 | int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, | |
140 | const BIGNUM *, BN_CTX *, BN_MONT_CTX *)) | |
141 | { | |
142 | dhm->bn_mod_exp = bn_mod_exp; | |
143 | return 1; | |
144 | } | |
145 | ||
146 | int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *) | |
147 | { | |
148 | return dhm->init; | |
149 | } | |
150 | ||
151 | int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *)) | |
152 | { | |
153 | dhm->init = init; | |
154 | return 1; | |
155 | } | |
156 | ||
157 | int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *) | |
158 | { | |
159 | return dhm->finish; | |
160 | } | |
161 | ||
162 | int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *)) | |
163 | { | |
164 | dhm->finish = finish; | |
165 | return 1; | |
166 | } | |
167 | ||
168 | int (*DH_meth_get_generate_params(const DH_METHOD *dhm)) | |
169 | (DH *, int, int, BN_GENCB *) | |
170 | { | |
171 | return dhm->generate_params; | |
172 | } | |
173 | ||
174 | int DH_meth_set_generate_params(DH_METHOD *dhm, | |
175 | int (*generate_params) (DH *, int, int, BN_GENCB *)) | |
176 | { | |
177 | dhm->generate_params = generate_params; | |
178 | return 1; | |
179 | } |