public void Should_not_return_same_value_when_used_twice_with_same_input()
{
byte[] message = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
byte[] encrypted1 = new byte[16];
byte[] encrypted2 = new byte[16];
FrameCipher frameCipher = new FrameCipher(NetTestVectors.AesSecret);
frameCipher.Encrypt(message, 0, 16, encrypted1, 0);
frameCipher.Encrypt(message, 0, 16, encrypted2, 0);
Assert.AreNotEqual(encrypted1, encrypted2);
}
public void Can_run_twice()
{
byte[] message = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
byte[] encrypted = new byte[16];
byte[] decrypted = new byte[16];
FrameCipher frameCipher = new FrameCipher(NetTestVectors.AesSecret);
frameCipher.Encrypt(message, 0, 16, encrypted, 0);
frameCipher.Decrypt(encrypted, 0, 16, decrypted, 0);
Assert.AreEqual(message, decrypted);
Array.Clear(encrypted, 0, encrypted.Length);
Array.Clear(decrypted, 0, decrypted.Length);
frameCipher.Encrypt(message, 0, 16, encrypted, 0);
frameCipher.Decrypt(encrypted, 0, 16, decrypted, 0);
Assert.AreEqual(message, decrypted);
}
public void Can_do_inline()
{
byte[] message = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
byte[] messageClone = (byte[])message.Clone();
FrameCipher frameCipher = new FrameCipher(NetTestVectors.AesSecret);
frameCipher.Encrypt(messageClone, 0, 16, messageClone, 0);
frameCipher.Decrypt(messageClone, 0, 16, messageClone, 0);
Assert.AreEqual(message, messageClone);
}
public void Can_do_roundtrip()
{
byte[] message = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
byte[] encrypted = new byte[16];
byte[] decrypted = new byte[16];
FrameCipher frameCipher = new FrameCipher(NetTestVectors.AesSecret);
frameCipher.Encrypt(message, 0, 16, encrypted, 0);
frameCipher.Decrypt(encrypted, 0, 16, decrypted, 0);
Assert.AreEqual(message, decrypted);
}
public void Can_run_twice_longer_message()
{
int length = 16;
byte[] message = new byte[length * 2];
message[3] = 123;
message[4] = 123;
message[5] = 12;
byte[] encrypted = new byte[length];
byte[] decrypted = new byte[2 * length];
FrameCipher frameCipher = new FrameCipher(NetTestVectors.AesSecret);
frameCipher.Encrypt(message, 0, length, encrypted, 0);
frameCipher.Decrypt(encrypted, 0, length, decrypted, 0);
Assert.AreEqual(message, decrypted);
Array.Clear(encrypted, 0, encrypted.Length);
Array.Clear(decrypted, 0, decrypted.Length);
frameCipher.Encrypt(message, 0, length, encrypted, 0);
frameCipher.Decrypt(encrypted, 0, length, decrypted, 0);
Assert.AreEqual(message, decrypted);
}