private void TestSymmetricEncryptionWithLongMessage(ISymmetricEncryptionAlgorithm encryptor)
{
ICryptoRandomService randomGenerator = CommonMocksAndStubs.CryptoRandomService();
byte[] key = randomGenerator.GetRandomBytes(encryptor.ExpectedKeySize);
byte[] nonce = randomGenerator.GetRandomBytes(encryptor.ExpectedNonceSize);
byte[] message = randomGenerator.GetRandomBytes(1523687);
byte[] cipher = encryptor.Encrypt(message, key, nonce);
Assert.AreNotEqual(message, cipher);
byte[] message2 = encryptor.Decrypt(cipher, key, nonce);
Assert.AreEqual(message, message2);
}
private void TestSymmetricEncryptionWithShortMessage(ISymmetricEncryptionAlgorithm encryptor)
{
ICryptoRandomService randomGenerator = CommonMocksAndStubs.CryptoRandomService();
byte[] key = randomGenerator.GetRandomBytes(encryptor.ExpectedKeySize);
byte[] nonce = randomGenerator.GetRandomBytes(encryptor.ExpectedNonceSize);
string message = "Dies ist ein kurzer Text";
byte[] binaryMessage = CryptoUtils.StringToBytes(message);
byte[] cipher = encryptor.Encrypt(binaryMessage, key, nonce);
Assert.AreNotEqual(binaryMessage, cipher);
string message2 = CryptoUtils.BytesToString(encryptor.Decrypt(cipher, key, nonce));
Assert.AreEqual(message, message2);
}
