public void should_correctly_encrypt_bytes()
{
var expectedBytes = new byte[] { 0x01, 0x01, 0x01 };
var givenBytes = new byte[] { 0x0, 0x03, 0x02 };
var key = new XORKey(new List<byte> { 0x01, 0x02, 0x03 });
var encryption = new XOREncryption(key);
var actualBytes = encryption.EncryptBytes(givenBytes);
Assert.That(actualBytes, Is.EqualTo(expectedBytes));
}
public void should_correctly_encrypt_byte()
{
byte expectedByte = 0x02;
byte givenByte = 0x03;
var key = new XORKey(new List<byte> { 0x01 });
var encryption = new XOREncryption(key);
var actualByte = encryption.EncryptByte(givenByte);
Assert.That(actualByte, Is.EqualTo(expectedByte));
}
public void should_correctly_read_encryption_flag()
{
byte[] encryptionBytes = { 0xFF, 0xFF };
var key = new XORKey(new List<byte> { 0x01 });
var mockStream = MockRepository.GenerateMock<Stream>();
var encryption = new XOREncryption(key);
mockStream.Stub(e => e.Read(
Arg<byte[]>.Out(encryptionBytes).Dummy,
Arg<int>.Is.Equal(0),
Arg<int>.Is.Equal(2))).Return(0);
var result = encryption.IsResourceEncrypted(mockStream);
Assert.That(result, Is.True);
}
public static void RegisterSimpleXOREncryption()
{
var defaultKey = new XORKey(new List<byte> { 0x01 });
EncryptionFactory.RegisterEncryption(new XOREncryption(defaultKey));
}
private IEncryption CreateDefaultEncryption()
{
// Rotates key on every action, unless state is reset
var key = new XORKey(new List<byte> { 0x01, 0x02, 0x03 });
return new XOREncryption(key);
}
public XOREncryption(XORKey key)
{
m_Key = key;
}