128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
/*
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* Copyright (c) 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* 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 the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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#include <roken.h>
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#include <dsa.h>
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/*
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*
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*/
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DSA *
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DSA_new(void)
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{
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DSA *dsa = calloc(1, sizeof(*dsa));
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dsa->meth = rk_UNCONST(DSA_get_default_method());
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dsa->references = 1;
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return dsa;
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}
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void
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DSA_free(DSA *dsa)
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{
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if (dsa->references <= 0)
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abort();
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if (--dsa->references > 0)
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return;
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(*dsa->meth->finish)(dsa);
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#define free_if(f) if (f) { BN_free(f); }
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free_if(dsa->p);
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free_if(dsa->q);
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free_if(dsa->g);
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free_if(dsa->pub_key);
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free_if(dsa->priv_key);
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free_if(dsa->kinv);
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free_if(dsa->r);
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#undef free_if
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memset_s(dsa, sizeof(*dsa), 0, sizeof(*dsa));
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free(dsa);
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}
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int
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DSA_up_ref(DSA *dsa)
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{
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return ++dsa->references;
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}
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/*
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*
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*/
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static const DSA_METHOD dsa_null_method = {
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"hcrypto null DSA",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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NULL
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};
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const DSA_METHOD *
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DSA_null_method(void)
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{
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return &dsa_null_method;
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}
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const DSA_METHOD *dsa_default_mech = &dsa_null_method;
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void
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DSA_set_default_method(const DSA_METHOD *mech)
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{
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dsa_default_mech = mech;
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}
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const DSA_METHOD *
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DSA_get_default_method(void)
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{
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return dsa_default_mech;
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}
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int
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DSA_verify(int type, const unsigned char * digest, int digest_len,
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const unsigned char *sig, int sig_len, DSA *dsa)
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{
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return -1;
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}
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