176 lines
3.5 KiB
C
176 lines
3.5 KiB
C
/*
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* Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* DH low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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#include "dh_local.h"
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#include <string.h>
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#include <openssl/err.h>
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DH_METHOD *DH_meth_new(const char *name, int flags)
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{
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DH_METHOD *dhm = OPENSSL_zalloc(sizeof(*dhm));
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if (dhm != NULL) {
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dhm->flags = flags;
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dhm->name = OPENSSL_strdup(name);
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if (dhm->name != NULL)
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return dhm;
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OPENSSL_free(dhm);
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}
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return NULL;
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}
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void DH_meth_free(DH_METHOD *dhm)
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{
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if (dhm != NULL) {
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OPENSSL_free(dhm->name);
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OPENSSL_free(dhm);
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}
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}
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DH_METHOD *DH_meth_dup(const DH_METHOD *dhm)
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{
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DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret));
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if (ret != NULL) {
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memcpy(ret, dhm, sizeof(*dhm));
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ret->name = OPENSSL_strdup(dhm->name);
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if (ret->name != NULL)
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return ret;
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OPENSSL_free(ret);
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}
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return NULL;
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}
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const char *DH_meth_get0_name(const DH_METHOD *dhm)
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{
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return dhm->name;
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}
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int DH_meth_set1_name(DH_METHOD *dhm, const char *name)
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{
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char *tmpname = OPENSSL_strdup(name);
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if (tmpname == NULL)
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return 0;
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OPENSSL_free(dhm->name);
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dhm->name = tmpname;
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return 1;
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}
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int DH_meth_get_flags(const DH_METHOD *dhm)
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{
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return dhm->flags;
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}
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int DH_meth_set_flags(DH_METHOD *dhm, int flags)
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{
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dhm->flags = flags;
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return 1;
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}
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void *DH_meth_get0_app_data(const DH_METHOD *dhm)
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{
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return dhm->app_data;
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}
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int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data)
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{
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dhm->app_data = app_data;
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return 1;
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}
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int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *)
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{
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return dhm->generate_key;
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}
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int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *))
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{
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dhm->generate_key = generate_key;
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return 1;
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}
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int (*DH_meth_get_compute_key(const DH_METHOD *dhm))
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(unsigned char *key, const BIGNUM *pub_key, DH *dh)
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{
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return dhm->compute_key;
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}
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int DH_meth_set_compute_key(DH_METHOD *dhm,
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int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh))
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{
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dhm->compute_key = compute_key;
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return 1;
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}
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int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm))
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(const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
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BN_CTX *, BN_MONT_CTX *)
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{
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return dhm->bn_mod_exp;
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}
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int DH_meth_set_bn_mod_exp(DH_METHOD *dhm,
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int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *,
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const BIGNUM *, BN_CTX *, BN_MONT_CTX *))
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{
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dhm->bn_mod_exp = bn_mod_exp;
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return 1;
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}
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int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *)
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{
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return dhm->init;
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}
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int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *))
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{
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dhm->init = init;
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return 1;
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}
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int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *)
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{
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return dhm->finish;
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}
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int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *))
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{
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dhm->finish = finish;
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return 1;
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}
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int (*DH_meth_get_generate_params(const DH_METHOD *dhm))
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(DH *, int, int, BN_GENCB *)
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{
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return dhm->generate_params;
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}
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int DH_meth_set_generate_params(DH_METHOD *dhm,
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int (*generate_params) (DH *, int, int, BN_GENCB *))
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{
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dhm->generate_params = generate_params;
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return 1;
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}
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