public void EncryptAndDecryptTest()
{
var key = SecretStream.GenerateKey();
var header = SecretStream.GenerateHeader();
var encrypter = new SecretStream(key, header, SecretStream.MODE_PUSH);
var decrypter = new SecretStream(key, header, SecretStream.MODE_PULL);
var message1 = "Hello, World!";
var message2 = "{ \"json\": \"data\" }";
var message3 = "Some more random messaging";
var ciphertext1 = encrypter.Push(message1);
encrypter.Rekey();
var ciphertext2 = encrypter.Push(message2, SecretStream.TAG_PUSH);
var ciphertext3 = encrypter.Push(message3, SecretStream.TAG_FINAL);
int tag = -1;
var d1 = decrypter.Pull(ciphertext1, out tag);
Assert.AreEqual(tag, SecretStream.TAG_MESSAGE);
decrypter.Rekey();
var d2 = decrypter.Pull(ciphertext2, out tag);
Assert.AreEqual(tag, SecretStream.TAG_PUSH);
var d3 = decrypter.Pull(ciphertext3, out tag);
Assert.AreEqual(tag, SecretStream.TAG_FINAL);
// Verify that the original string and the decrypted string are equivalent
Assert.AreEqual(Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(message1)), Convert.ToBase64String(d1));
Assert.AreEqual(Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(message2)), Convert.ToBase64String(d2));
Assert.AreEqual(Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(message3)), Convert.ToBase64String(d3));
}
public void GenerateHeaderTest()
{
Assert.AreEqual(24, SecretStream.GenerateHeader().Length);
}