2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2011 The OpenSSL Project. All rights reserved.
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9 * modification, are permitted provided that the following conditions
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21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
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36 * "This product includes software developed by the OpenSSL Project
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51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
60 #include "internal/cryptlib.h"
61 #include <openssl/dh.h>
62 #include <openssl/bn.h>
65 * Macro to make a DH structure from BIGNUM data. NB: although just copying
66 * the BIGNUM static pointers would be more efficient, we can't do that
67 * because they get wiped using BN_clear_free() when DH_free() is called.
72 extern const BIGNUM _bignum_dh##x##_p, _bignum_dh##x##_g, _bignum_dh##x##_q; \
74 DH *DH_get_##x(void) \
80 dh->p = BN_dup(&_bignum_dh##x##_p); \
81 dh->g = BN_dup(&_bignum_dh##x##_g); \
82 dh->q = BN_dup(&_bignum_dh##x##_q); \
83 if (dh->p == NULL || dh->q == NULL || dh->g == NULL) {\