void gost_check(){
const Params params (
"8000000000000000000000000000000000000000000000000000000000000431",
"8000000000000000000000000000000150FE8A1892976154C59CFC193ACCF5B3",
"8000000000000000000000000000000150FE8A1892976154C59CFC193ACCF5B3",
"0000000000000000000000000000000000000000000000000000000000000007",
"5FBFF498AA938CE739B8E022FBAFEF40563F6E6A3472FC2A514C0CE9DAE23B7E",
"0000000000000000000000000000000000000000000000000000000000000002",
"8E2A8A0E65147D4BD6316030E16D19C85C97F0A9CA267122B96ABBCEA7E8FC8"
);
DIGIT bnPrKey[MAX_SIZE], bnPubKey[2*MAX_SIZE], signature[2*MAX_SIZE];
strtodigitn( "7A929ADE789BB9BE10ED359DD39A72C11B60961F49397EEE1D19CE9891EC3B28", bnPrKey, MAX_SIZE );
strtodigitn( "7F2B49E270DB6D90D8595BEC458B50C58585BA1D4E9B788F6689DBD8E56FD80B26F1B489D6701DD185C8413A977B3CBBAF64D1C593D26627DFFB101A87FF77DA", bnPubKey, 2*MAX_SIZE );
DIGIT h_msg[MAX_SIZE];
std::cout << "Signature Test" << std::endl;
#ifdef _GOST_CONTROL_TEST
const unsigned test_count = 1;
#else
const unsigned test_count = TEST_COUNT;
#endif
for (unsigned i=0; i<test_count; i++){
#ifdef _GOST_CONTROL_TEST
strtodigitn( "2DFBC1B372D89A1188C09C52E0EEC61FCE52032AB1022E8E67ECE6672B043EE5", h_msg, MAX_SIZE );
#else
do {
bnrand( h_msg, MAX_SIZE);
} while ( isZero( h_msg, MAX_SIZE ) );
#endif
//std::cout << "Hash:" << std::endl;
//std::cout << h_msg << std::endl;
//print( bnPubKey, 2*MAX_SIZE);
sign( h_msg, bnPrKey, signature, params);
//std::cout << "Signature:\n";
//print( signature, 2*MAX_SIZE );
//std::cout << std::endl;
#ifdef _GOST_CONTROL_TEST
DIGIT benchmark_signature[2*MAX_SIZE];
strtodigitn( "1456C64BA4642A1653C235A98A60249BCD6D3F746B631DF928014F6C5BF9C4041AA28D2F1AB148280CD9ED56FEDA41974053554A42767B83AD043FD39DC0493", benchmark_signature, 2*MAX_SIZE );
if ( bncmp( signature, benchmark_signature, 2*MAX_SIZE ) ==0 )
std::cout << "Signature IS valid" << std::endl;
else
std::cout << "Signature IS NOT valid" << std::endl;
#endif
const bool bCorrect = verify( h_msg, signature, bnPubKey, params);
if ( bCorrect )
std::cout << "test succeeded" << std::endl;
else
std::cout << "test FAILED" << std::endl;
}
}
void mod_check(){
BigNum bnA, bnB, bnPrime, bnQ, bnPX, bnPY, bnRand, bnRes, bnDegree;
strtodigitn( "0000000000000000000000000000000000000000000000000000000000000007", bnA, MAX_SIZE );
strtodigitn( "5FBFF498AA938CE739B8E022FBAFEF40563F6E6A3472FC2A514C0CE9DAE23B7E", bnB, MAX_SIZE );
strtodigitn( "8000000000000000000000000000000000000000000000000000000000000431", bnPrime, MAX_SIZE );
strtodigitn( "8000000000000000000000000000000150FE8A1892976154C59CFC193ACCF5B3", bnQ, MAX_SIZE );
strtodigitn( "0000000000000000000000000000000000000000000000000000000000000002", bnPX, MAX_SIZE );
strtodigitn( "8E2A8A0E65147D4BD6316030E16D19C85C97F0A9CA267122B96ABBCEA7E8FC8", bnPY, MAX_SIZE );
bnrand( bnRand, MAX_SIZE );
subDigit( bnDegree, bnPrime, 1, MAX_SIZE );
modPowerMont( bnRes, bnRand, bnDegree, bnPrime, MAX_SIZE, MAX_SIZE );
std::cout << bnRes << std::endl;
}
int BN_bntest_rand(BIGNUM *rnd, int bits, int top, int bottom)
{
return bnrand(2, rnd, bits, top, bottom);
}
int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom)
{
return bnrand(1, rnd, bits, top, bottom);
}
int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
{
return bnrand(0, rnd, bits, top, bottom);
}