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/* fips_dsa_lib.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2007.
*/
/* ====================================================================
* Copyright (c) 2007 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 <string.h>
#include <openssl/dsa.h>
#include <openssl/bn.h>
/* Minimal FIPS versions of FIPS_dsa_new() and FIPS_dsa_free: to
* reduce external dependencies.
*/
DSA *FIPS_dsa_new(void)
{
DSA *ret;
ret = OPENSSL_malloc(sizeof(DSA));
if (!ret)
return NULL;
memset(ret, 0, sizeof(DSA));
ret->meth = DSA_OpenSSL();
if (ret->meth->init)
ret->meth->init(ret);
return ret;
}
void FIPS_dsa_free(DSA *r)
{
if (!r)
return;
if (r->meth->finish)
r->meth->finish(r);
if (r->p != NULL) BN_clear_free(r->p);
if (r->q != NULL) BN_clear_free(r->q);
if (r->g != NULL) BN_clear_free(r->g);
if (r->pub_key != NULL) BN_clear_free(r->pub_key);
if (r->priv_key != NULL) BN_clear_free(r->priv_key);
if (r->kinv != NULL) BN_clear_free(r->kinv);
if (r->r != NULL) BN_clear_free(r->r);
OPENSSL_free(r);
}
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