public void CanSerializeDeserialize()
{
var value = new EncryptedValue
{
AlgorithmVersion = '\u00A9',
KeyVersion = "123",
Value = "abc"
};
var serializedValue = value.Serialize();
var newValue = EncryptedValue.Deserialize(serializedValue);
Assert.That(newValue.AlgorithmVersion, Is.EqualTo(value.AlgorithmVersion));
Assert.That(newValue.KeyVersion, Is.EqualTo(value.KeyVersion));
Assert.That(newValue.Value, Is.EqualTo(value.Value));
}
public string Encrypt(string plainText)
{
if (string.IsNullOrEmpty(plainText)) return plainText;
var buffer = _encryptionAlgorithm.Encrypt(GetEncryptionKey(_store.EncryptionVersion),
Encoding.UTF8.GetBytes(plainText));
var value = new EncryptedValue
{
AlgorithmVersion = _encryptionAlgorithm.Version,
KeyVersion = _store.EncryptionVersion,
Value = Convert.ToBase64String(buffer)
};
return value.Serialize();
}
public void CanEncryptDecrypt()
{
var plainTextBuffer = Encoding.UTF8.GetBytes(_plainText);
var cipherTextBuffer = new byte[4] { 25, 100, 128, 5 };
var encryptionKeyCipherTextBuffer = GenerateRandomKey();
var EncryptionKeyPlainTextBuffer = Encoding.UTF8.GetBytes("e_" + _stubCryptoStore.EncryptionVersion);
SetupMockHashAlgorithmToHash(_masterKeyPlainTextBuffer,
EncryptionKeyPlainTextBuffer, encryptionKeyCipherTextBuffer);
SetupMockEncryptionAlgorithmToEncryptDecrypt(encryptionKeyCipherTextBuffer,
plainTextBuffer, cipherTextBuffer);
var expectedEncryptedValue = new EncryptedValue
{
AlgorithmVersion = _algorithmVersion,
KeyVersion = _stubCryptoStore.EncryptionVersion,
Value = Convert.ToBase64String(cipherTextBuffer)
};
var actualEncryptedValue = _cryptoService.Encrypt(_plainText);
Assert.That(expectedEncryptedValue.Serialize(), Is.EqualTo(actualEncryptedValue));
Assert.That(_cryptoService.Decrypt(actualEncryptedValue), Is.EqualTo(_plainText));
}