107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002 Virtual Unlimited B.V.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/*!\file dlpk.h
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* \brief Discrete Logarithm public key.
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* \author Bob Deblier <bob.deblier@pandora.be>
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* \ingroup DL_m
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*/
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#include "system.h"
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#include "dlpk.h"
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#include "mp.h"
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#include "debug.h"
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/*!\addtogroup DL_m
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* \{
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*/
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int dlpk_pInit(dlpk_p* pk)
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{
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if (dldp_pInit(&pk->param) < 0)
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return -1;
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mpnzero(&pk->y);
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return 0;
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}
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int dlpk_pFree(dlpk_p* pk)
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{
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if (dldp_pFree(&pk->param) < 0)
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return -1;
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mpnfree(&pk->y);
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return 0;
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}
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int dlpk_pCopy(dlpk_p* dst, const dlpk_p* src)
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{
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if (dldp_pCopy(&dst->param, &src->param) < 0)
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return -1;
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mpncopy(&dst->y, &src->y);
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return 0;
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}
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int dlpk_pEqual(const dlpk_p* a, const dlpk_p* b)
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{
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return dldp_pEqual(&a->param, &b->param) &&
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mpeqx(a->y.size, a->y.data, b->y.size, b->y.data);
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}
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int dlpk_pgoqValidate(const dlpk_p* pk, randomGeneratorContext* rgc, int cofactor)
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{
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register int rc = dldp_pgoqValidate(&pk->param, rgc, cofactor);
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if (rc <= 0)
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return rc;
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if (mpleone(pk->y.size, pk->y.data))
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return 0;
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if (mpgex(pk->y.size, pk->y.data, pk->param.p.size, pk->param.p.modl))
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return 0;
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return 1;
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}
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int dlpk_pgonValidate(const dlpk_p* pk, randomGeneratorContext* rgc)
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{
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register int rc = dldp_pgonValidate(&pk->param, rgc);
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if (rc <= 0)
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return rc;
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if (mpleone(pk->y.size, pk->y.data))
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return 0;
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if (mpgex(pk->y.size, pk->y.data, pk->param.p.size, pk->param.p.modl))
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return 0;
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return 1;
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}
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/*!\}
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*/
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