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/*
* Copyright (c) 2003 Bob Deblier
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*!\file testmpinv.c
* \brief Unit test program for the multi-precision modular inverse.
* \author Bob Deblier <bob.deblier@pandora.be>
* \ingroup UNIT_m
*/
#include <stdio.h>
#include "beecrypt.h"
#include "mpnumber.h"
struct vector
{
const char* m;
const char* k;
const char* inv_k;
};
#define NVECTORS 5
struct vector table[NVECTORS] = {
{ "c773218c737ec8ee993b4f2ded30f48edace915f",
"358dad571462710f50e254cf1a376b2bdeaadfbf",
"0d5167298202e49b4116ac104fc3f415ae52f917" },
{ "fe95df16069b516859ba036ef0e563a7b6a86409",
"eedd5539e982b570a5f8efc73f243a04f312920d",
"f64a00a9ce43f4128e5eee1991b2e08c6008ba4e" },
{ "fe95df16069b516859ba036ef0e563a7b6a86409",
"d75f6d17eb243613eacc0dcbb41db4e5a3364b07",
"e90aa0a992ebd4c9176f0e20a885101218111a73" },
{ "fe95df16069b516859ba036ef0e563a7b6a86409",
"759ea04b65f66184af22fcabfe99a1cda3a79236",
"2c701a52078afe539a281cba7f35df34a7a125a4" },
{ "80277b4855a39cb9a98b2107cc1efb29f1832f727df05931cdd4a64cd78363134bf2abe78723784d2013a26875afe13f04526399c6b0cee659abb60dc8263400",
"10001",
"6e5f92b24defc7ffafa20024b30ccbcce810d0408f6efda3035f6e8b27e224e66db6e78f54b89bd7f11477fff7bc2f071335d24a92f19c8090226f7d97303001" }
};
int main()
{
int i, failures = 0;
mpnumber m;
mpnumber k;
mpnumber inv_k;
mpnumber inv;
mpnzero(&m);
mpnzero(&k);
mpnzero(&inv_k);
mpnzero(&inv);
for (i = 0; i < NVECTORS; i++)
{
mpnsethex(&m, table[i].m);
mpnsethex(&k, table[i].k);
mpnsethex(&inv_k, table[i].inv_k);
if (mpninv(&inv, &k, &m))
{
if (mpnex(inv.size, inv.data, inv_k.size, inv_k.data))
{
printf("mpninv return unexpected result\n");
failures++;
}
}
else
{
printf("mpninv failed\n");
failures++;
}
}
mpnfree(&m);
mpnfree(&k);
mpnfree(&inv_k);
mpnfree(&inv);
return failures;
}
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