2 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
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
7 * https://www.openssl.org/source/license.html
12 #include <openssl/err.h>
14 DH_METHOD *DH_meth_new(const char *name, int flags)
16 DH_METHOD *dhm = OPENSSL_zalloc(sizeof(*dhm));
21 dhm->name = OPENSSL_strdup(name);
22 if (dhm->name != NULL)
28 DHerr(DH_F_DH_METH_NEW, ERR_R_MALLOC_FAILURE);
32 void DH_meth_free(DH_METHOD *dhm)
35 OPENSSL_free(dhm->name);
40 DH_METHOD *DH_meth_dup(const DH_METHOD *dhm)
42 DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret));
45 memcpy(ret, dhm, sizeof(*dhm));
47 ret->name = OPENSSL_strdup(dhm->name);
48 if (ret->name != NULL)
54 DHerr(DH_F_DH_METH_DUP, ERR_R_MALLOC_FAILURE);
58 const char *DH_meth_get0_name(const DH_METHOD *dhm)
63 int DH_meth_set1_name(DH_METHOD *dhm, const char *name)
65 char *tmpname = OPENSSL_strdup(name);
67 if (tmpname == NULL) {
68 DHerr(DH_F_DH_METH_SET1_NAME, ERR_R_MALLOC_FAILURE);
72 OPENSSL_free(dhm->name);
78 int DH_meth_get_flags(const DH_METHOD *dhm)
83 int DH_meth_set_flags(DH_METHOD *dhm, int flags)
89 void *DH_meth_get0_app_data(const DH_METHOD *dhm)
94 int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data)
96 dhm->app_data = app_data;
100 int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *)
102 return dhm->generate_key;
105 int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *))
107 dhm->generate_key = generate_key;
111 int (*DH_meth_get_compute_key(const DH_METHOD *dhm))
112 (unsigned char *key, const BIGNUM *pub_key, DH *dh)
114 return dhm->compute_key;
117 int DH_meth_set_compute_key(DH_METHOD *dhm,
118 int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh))
120 dhm->compute_key = compute_key;
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 *)
129 return dhm->bn_mod_exp;
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 *))
136 dhm->bn_mod_exp = bn_mod_exp;
140 int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *)
145 int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *))
151 int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *)
156 int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *))
158 dhm->finish = finish;
162 int (*DH_meth_get_generate_params(const DH_METHOD *dhm))
163 (DH *, int, int, BN_GENCB *)
165 return dhm->generate_params;
168 int DH_meth_set_generate_params(DH_METHOD *dhm,
169 int (*generate_params) (DH *, int, int, BN_GENCB *))
171 dhm->generate_params = generate_params;