/*

 * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

/* This file contains deprecated functions as wrappers to the new ones */

/*

 * DH low level APIs are deprecated for public use, but still ok for

 * internal use.

 */

#include "internal/deprecated.h"

#include <openssl/opensslconf.h>

#include <stdio.h>

#include "internal/cryptlib.h"

#include <openssl/bn.h>

#include <openssl/dh.h>

DH *DH_generate_parameters(int prime_len, int generator,

                           void (*callback) (int, int, void *), void *cb_arg)

{

    BN_GENCB *cb;

    DH *ret = NULL;

    if ((ret = DH_new()) == NULL)

        return NULL;

    cb = BN_GENCB_new();

    if (cb == NULL) {

        DH_free(ret);

        return NULL;

    }

    BN_GENCB_set_old(cb, callback, cb_arg);

    if (DH_generate_parameters_ex(ret, prime_len, generator, cb)) {

        BN_GENCB_free(cb);

        return ret;

    }

    BN_GENCB_free(cb);

    DH_free(ret);

    return NULL;

}