Ejemplo n.º 1
0
bool CryptoSystemValidate(PK_Decryptor &priv, PK_Encryptor &pub, bool thorough = false)
{
	bool pass = true, fail;

	fail = !pub.GetMaterial().Validate(GlobalRNG(), thorough ? 3 : 2) || !priv.GetMaterial().Validate(GlobalRNG(), thorough ? 3 : 2);
	pass = pass && !fail;

	cout << (fail ? "FAILED    " : "passed    ");
	cout << "cryptosystem key validation\n";

	static const byte message[] = "test message";
	const int messageLen = COUNTOF(message);

	SecByteBlock ciphertext(priv.CiphertextLength(messageLen));
	SecByteBlock plaintext(priv.MaxPlaintextLength(ciphertext.size()));

	pub.Encrypt(GlobalRNG(), message, messageLen, ciphertext);
	fail = priv.Decrypt(GlobalRNG(), ciphertext, priv.CiphertextLength(messageLen), plaintext) != DecodingResult(messageLen);
	fail = fail || !VerifyBufsEqual(message, plaintext, messageLen);
	pass = pass && !fail;

	cout << (fail ? "FAILED    " : "passed    ");
	cout << "encryption and decryption\n";

	return pass;
}
Ejemplo n.º 2
0
void BenchMarkEncryption(const char *name, PK_Encryptor &key, double timeTotal, bool pc=false)
{
	unsigned int len = 16;
	LC_RNG rng(time(NULL));
	SecByteBlock plaintext(len), ciphertext(key.CipherTextLength(len));
	rng.GetBlock(plaintext, len);

	clock_t start = clock();
	unsigned int i;
	double timeTaken;
	for (timeTaken=(double)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)
		key.Encrypt(rng, plaintext, len, ciphertext);

	OutputResultOperations(name, "Encryption", pc, i, timeTaken);
}
Ejemplo n.º 3
0
void EncryptionPairwiseConsistencyTest(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor)
{
	try
	{
		RandomPool rng;
		const char *testMessage ="test message";
		std::string ciphertext, decrypted;

		StringSource(
			testMessage, 
			true, 
			new PK_EncryptorFilter(
				rng, 
				encryptor, 
				new StringSink(ciphertext)));

		if (ciphertext == testMessage)
			throw 0;

		StringSource(
			ciphertext, 
			true, 
			new PK_DecryptorFilter(
				rng, 
				decryptor, 
				new StringSink(decrypted)));

		if (decrypted != testMessage)
			throw 0;
	}
	catch (...)
	{
		throw SelfTestFailure(encryptor.AlgorithmName() + ": pairwise consistency test failed");
	}
}
Ejemplo n.º 4
0
void EncryptionPairwiseConsistencyTest(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor)
{
	try
	{
#ifdef OS_RNG_AVAILABLE
		AutoSeededX917RNG<DES_EDE3> rng;
#else
		RandomNumberGenerator &rng = NullRNG();
#endif
		const char *testMessage ="test message";

		EqualityComparisonFilter comparison;
		comparison.ChannelPutMessageEnd("0", (const byte *)testMessage, strlen(testMessage));

		StringSource(
			testMessage, 
			true, 
			new PK_EncryptorFilter(
				rng, 
				encryptor, 
				new PK_DecryptorFilter(rng, decryptor, new ChannelSwitch(comparison, "1"))));

		comparison.ChannelMessageSeriesEnd("0");
		comparison.ChannelMessageSeriesEnd("1");
	}
	catch (...)
	{
		throw SelfTestFailure(encryptor.AlgorithmName() + ": pairwise consistency test failed");
	}
}
Ejemplo n.º 5
0
void BenchMarkDecryption(const char *name, PK_Decryptor &priv, PK_Encryptor &pub, double timeTotal)
{
	unsigned int len = 16;
	SecByteBlock ciphertext(pub.CiphertextLength(len));
	SecByteBlock plaintext(pub.MaxPlaintextLength(ciphertext.size()));
	GlobalRNG().GenerateBlock(plaintext, len);
	pub.Encrypt(GlobalRNG(), plaintext, len, ciphertext);

	const clock_t start = clock();
	unsigned int i;
	double timeTaken;
	for (timeTaken=(double)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)
		priv.Decrypt(GlobalRNG(), ciphertext, ciphertext.size(), plaintext);

	OutputResultOperations(name, "Decryption", false, i, timeTaken);
}
Ejemplo n.º 6
0
void BenchMarkEncryption(const char *name, PK_Encryptor &key, double timeTotal, bool pc=false)
{
	unsigned int len = 16;
	SecByteBlock plaintext(len), ciphertext(key.CiphertextLength(len));
	GlobalRNG().GenerateBlock(plaintext, len);

	const clock_t start = clock();
	unsigned int i;
	double timeTaken;
	for (timeTaken=(double)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)
		key.Encrypt(GlobalRNG(), plaintext, len, ciphertext);

	OutputResultOperations(name, "Encryption", pc, i, timeTaken);

	if (!pc && key.GetMaterial().SupportsPrecomputation())
	{
		key.AccessMaterial().Precompute(16);
		BenchMarkEncryption(name, key, timeTotal, true);
	}
}
Ejemplo n.º 7
0
bool CryptoSystemValidate(PK_Decryptor &priv, PK_Encryptor &pub)
{
	LC_RNG rng(9375);
	const byte *message = (byte *)"test message";
	const int messageLen = 12;
	SecByteBlock ciphertext(priv.CipherTextLength(messageLen));
	SecByteBlock plaintext(priv.MaxPlainTextLength(ciphertext.size));
	bool pass = true, fail;

	pub.Encrypt(rng, message, messageLen, ciphertext);
	fail = (messageLen!=priv.Decrypt(ciphertext, priv.CipherTextLength(messageLen), plaintext));
	fail = fail || memcmp(message, plaintext, messageLen);
	pass = pass && !fail;

	cout << (fail ? "FAILED    " : "passed    ");
	cout << "encryption and decryption\n";

	return pass;
}
Ejemplo n.º 8
0
void EncryptionPairwiseConsistencyTest(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor)
{
	try
	{
#ifdef OS_RNG_AVAILABLE
		DefaultAutoSeededRNG rng;
#else
		RandomNumberGenerator &rng = NullRNG();
#endif
		const char *testMessage ="test message";
		std::string ciphertext, decrypted;

		StringSource(
			testMessage, 
			true, 
			new PK_EncryptorFilter(
				rng, 
				encryptor, 
				new StringSink(ciphertext)));

		if (ciphertext == testMessage)
			throw 0;

		StringSource(
			ciphertext, 
			true, 
			new PK_DecryptorFilter(
				rng, 
				decryptor, 
				new StringSink(decrypted)));

		if (decrypted != testMessage)
			throw 0;
	}
	catch (...)
	{
		throw SelfTestFailure(encryptor.AlgorithmName() + ": pairwise consistency test failed");
	}
}