99 lines
3.7 KiB
C
99 lines
3.7 KiB
C
/*
|
|
* 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)
|