bool
Test_GenerateGroupParams()
{
uint32_t pLen = 1024, qLen = 256, count;
IntegerGroupParams group;
for (count = 0; count < 1; count++) {
try {
group = deriveIntegerGroupParams(calculateSeed(GetTestModulus(), "test", ZEROCOIN_DEFAULT_SECURITYLEVEL, "TEST GROUP"), pLen, qLen);
} catch (std::runtime_error e) {
cout << "Caught exception " << e.what() << endl;
return false;
}
// Now perform some simple tests on the resulting parameters
if (group.groupOrder.bitSize() < qLen || group.modulus.bitSize() < pLen) {
return false;
}
Bignum c = group.g.pow_mod(group.groupOrder, group.modulus);
//cout << "g^q mod p = " << c << endl;
if (!(c.isOne())) return false;
// Try at multiple parameter sizes
pLen = pLen * 1.5;
qLen = qLen * 1.5;
}
return true;
}
