public void EncryptTest()
{
var x = new XrdEncryptor(Keys1.Item1);
byte[] clear = null;
Assert.ThrowsException <ArgumentNullException>(() => x.Encrypt(clear));
Random r = new Random();
clear = new byte[100];
r.NextBytes(clear);
byte[] mixed1 = x.Encrypt(clear);
byte[] mixed2 = x.Encrypt(clear, toArray(Keys1));
// Verify all arrays are different.
Assert.IsTrue(clear.HasChanges(mixed1));
Assert.IsTrue(clear.HasChanges(mixed2));
Assert.IsTrue(mixed2.HasChanges(mixed1));
// Check decryption.
Assert.IsFalse(clear.HasChanges(x.Decrypt(mixed1)));
Assert.IsFalse(clear.HasChanges(x.Decrypt(mixed2, toArray(Keys1))));
// Should fail - wrong key.
Assert.IsTrue(clear.HasChanges(x.Decrypt(mixed2, Keys1.Item1)));
// Verify gets result but wrong with different encryptor with different key.
var x1 = new XrdEncryptor(Keys2.Item1);
Assert.IsTrue(clear.HasChanges(x1.Decrypt(mixed1)));
// Verify decryption with new encryptor instance.
var x2 = new XrdEncryptor(Keys1.Item1);
Assert.IsFalse(clear.HasChanges(x2.Decrypt(mixed1)));
Assert.IsFalse(clear.HasChanges(x2.Decrypt(mixed2, toArray(Keys1))));
}
public void EncryptTest1()
{
var x = new XrdEncryptor(Keys2.Item1);
byte[] clear = null;
Assert.ThrowsException <ArgumentNullException>(() => x.Encrypt(clear));
Random r = new Random();
clear = new byte[100];
r.NextBytes(clear);
byte[] mixed1 = x.Encrypt(clear);
byte[] mixed2 = x.Encrypt(clear, Keys2.Item2);
Assert.IsTrue(clear.HasChanges(mixed1));
Assert.IsTrue(clear.HasChanges(mixed2));
Assert.IsTrue(mixed2.HasChanges(mixed1));
Assert.IsFalse(clear.HasChanges(x.Decrypt(mixed1)));
Assert.IsFalse(clear.HasChanges(x.Decrypt(mixed2, Keys2.Item2)));
}