2 * Copyright 2011-2016 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
11 #include "internal/cryptlib.h"
13 #include <openssl/bn.h>
14 #include "internal/bn_dh.h"
17 * Macro to make a DH structure from BIGNUM data. NB: although just copying
18 * the BIGNUM static pointers would be more efficient, we can't do that
19 * because they get wiped using BN_clear_free() when DH_free() is called.
23 DH *DH_get_##x(void) \
29 dh->p = BN_dup(&_bignum_dh##x##_p); \
30 dh->g = BN_dup(&_bignum_dh##x##_g); \
31 dh->q = BN_dup(&_bignum_dh##x##_q); \
32 if (dh->p == NULL || dh->q == NULL || dh->g == NULL) {\