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/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2011.
*/
/* ====================================================================
* Copyright (c) 2011 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/dh.h>
#include <openssl/bn.h>
#define make_dh_bn(x) \
const extern BIGNUM _bignum_dh##x##_p;\
const extern BIGNUM _bignum_dh##x##_g;\
const extern BIGNUM _bignum_dh##x##_q;
/*
* Macro to make a DH structure from BIGNUM data. NB: although just copying
* the BIGNUM static pointers would be more efficient we can't as they get
* wiped using BN_clear_free() when DH_free() is called.
*/
#define make_dh(x) \
DH * DH_get_##x(void) \
{ \
DH *dh; \
dh = DH_new(); \
if (!dh) \
return NULL; \
dh->p = BN_dup(&_bignum_dh##x##_p); \
dh->g = BN_dup(&_bignum_dh##x##_g); \
dh->q = BN_dup(&_bignum_dh##x##_q); \
if (!dh->p || !dh->q || !dh->g) \
{ \
DH_free(dh); \
return NULL; \
} \
return dh; \
}
make_dh_bn(1024_160)
make_dh_bn(2048_224)
make_dh_bn(2048_256)
make_dh(1024_160)
make_dh(2048_224)
make_dh(2048_256)
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