83 lines
1.8 KiB
C
83 lines
1.8 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 dlkp.c
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* \brief Discrete Logarithm keypair.
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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 "dlkp.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 dlkp_pPair(dlkp_p* kp, randomGeneratorContext* rgc, const dldp_p* param)
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{
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/* copy the parameters */
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if (dldp_pCopy(&kp->param, param) < 0)
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return -1;
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if (dldp_pPair(param, rgc, &kp->x, &kp->y) < 0)
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return -1;
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return 0;
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}
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int dlkp_pInit(dlkp_p* kp)
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{
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if (dldp_pInit(&kp->param) < 0)
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return -1;
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mpnzero(&kp->y);
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mpnzero(&kp->x);
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return 0;
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}
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int dlkp_pFree(dlkp_p* kp)
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{
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/*@-usereleased -compdef @*/ /* kp->param.{p,q,n}.modl is OK */
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if (dldp_pFree(&kp->param) < 0)
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return -1;
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mpnfree(&kp->y);
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mpnfree(&kp->x);
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return 0;
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/*@=usereleased =compdef @*/
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}
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int dlkp_pCopy(dlkp_p* dst, const dlkp_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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mpncopy(&dst->x, &src->x);
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return 0;
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}
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/*!\}
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*/
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