public void CryptoSignOpen_Should_Success()
{
//Arrange
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] ssk = new Byte[TweetNaCl.SignSecretKeyBytes];
Byte[] sMessage = new Byte[TweetNaCl.SignBytes + bMessage.Length];
Byte[] cMessage = new Byte[bMessage.Length];
var spk = TweetNaCl.CryptoSignKeypair(ssk);
sMessage = TweetNaCl.CryptoSign(bMessage, ssk);
//Act
cMessage = TweetNaCl.CryptoSignOpen(sMessage, spk);
Assert.AreEqual(cMessage.Length, bMessage.Length, "Message sign verification failed.");
Assert.AreEqual(Encoding.UTF8.GetString(cMessage), message, "Messages sign verification failed.");
}