121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/* fips_dsa_lib.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 2007.
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*/
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/* ====================================================================
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* Copyright (c) 2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#define OPENSSL_FIPSAPI
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#include <string.h>
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#include <openssl/dsa.h>
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#include <openssl/bn.h>
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#include <openssl/fips.h>
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/* Minimal FIPS versions of FIPS_dsa_new() and FIPS_dsa_free: to
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* reduce external dependencies.
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*/
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DSA *FIPS_dsa_new(void)
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{
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DSA *ret;
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ret = OPENSSL_malloc(sizeof(DSA));
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if (!ret)
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return NULL;
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memset(ret, 0, sizeof(DSA));
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ret->meth = DSA_OpenSSL();
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if (ret->meth->init)
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ret->meth->init(ret);
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return ret;
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}
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void FIPS_dsa_free(DSA *r)
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{
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if (!r)
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return;
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if (r->meth->finish)
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r->meth->finish(r);
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if (r->p != NULL) BN_clear_free(r->p);
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if (r->q != NULL) BN_clear_free(r->q);
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if (r->g != NULL) BN_clear_free(r->g);
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if (r->pub_key != NULL) BN_clear_free(r->pub_key);
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if (r->priv_key != NULL) BN_clear_free(r->priv_key);
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if (r->kinv != NULL) BN_clear_free(r->kinv);
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if (r->r != NULL) BN_clear_free(r->r);
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OPENSSL_free(r);
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}
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DSA_SIG *FIPS_dsa_sig_new(void)
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{
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DSA_SIG *sig;
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sig = OPENSSL_malloc(sizeof(DSA_SIG));
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if (!sig)
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return NULL;
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sig->r = NULL;
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sig->s = NULL;
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return sig;
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}
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void FIPS_dsa_sig_free(DSA_SIG *sig)
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{
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if (sig)
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{
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if (sig->r)
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BN_free(sig->r);
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if (sig->s)
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BN_free(sig->s);
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OPENSSL_free(sig);
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}
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}
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