Function TestKeyDerivationFunction

src/cryptopp/datatest.cpp:617–645

}

void TestKeyDerivationFunction(TestData &v)
{
	std::string name = GetRequiredDatum(v, "Name");
	std::string test = GetRequiredDatum(v, "Test");

	if(test == "Skip") return;
	CRYPTOPP_ASSERT(test == "Verify");

	std::string key = GetDecodedDatum(v, "Key");
	std::string salt = GetDecodedDatum(v, "Salt");
	std::string info = GetDecodedDatum(v, "Info");
	std::string derived = GetDecodedDatum(v, "DerivedKey");
	std::string t = GetDecodedDatum(v, "DerivedKeyLength");

	TestDataNameValuePairs pairs(v);
	unsigned int length = pairs.GetIntValueWithDefault(Name::DerivedKeyLength(), (int)derived.size());

	member_ptr<KeyDerivationFunction> kdf;
	kdf.reset(ObjectFactoryRegistry<KeyDerivationFunction>::Registry().CreateObject(name.c_str()));

	std::string calc; calc.resize(length);
	unsigned int ret = kdf->DeriveKey(reinterpret_cast<byte*>(&calc[0]), calc.size(),
		reinterpret_cast<const byte*>(key.data()), key.size(),
		reinterpret_cast<const byte*>(salt.data()), salt.size(),
		reinterpret_cast<const byte*>(info.data()), info.size());

	if(calc != derived || ret != length)
		SignalTestFailure();
}

bool GetField(std::istream &is, std::string &name, std::string &value)
{