public void DetachedBoxTest()
{
var alice = PublicKeyBox.GenerateKeyPair();
var bob = PublicKeyBox.GenerateKeyPair();
var nonce = PublicKeyBox.GenerateNonce();
String message = "Hello, World!";
byte[] byteMessage = System.Text.Encoding.UTF8.GetBytes(message);
var e1 = PublicKeyBox.CreateDetached(message, nonce, bob.Secret, alice.Public);
var e2 = PublicKeyBox.CreateDetached(message, nonce, bob.Secret, alice.Public);
Assert.AreEqual(Convert.ToBase64String(e1.Cipher), Convert.ToBase64String(e2.Cipher));
Assert.AreEqual(Convert.ToBase64String(e1.Mac), Convert.ToBase64String(e2.Mac));
var d1 = PublicKeyBox.OpenDetached(e1, nonce, alice.Secret, bob.Public);
var d2 = PublicKeyBox.OpenDetached(e2, nonce, alice.Secret, bob.Public);
Assert.AreEqual(message, System.Text.Encoding.UTF8.GetString(d1));
Assert.AreEqual(message, System.Text.Encoding.UTF8.GetString(d2));
d1 = PublicKeyBox.OpenDetached(e1.Cipher, e1.Mac, nonce, alice.Secret, bob.Public);
d2 = PublicKeyBox.OpenDetached(e2.Cipher, e2.Mac, nonce, alice.Secret, bob.Public);
Assert.AreEqual(message, System.Text.Encoding.UTF8.GetString(d1));
Assert.AreEqual(message, System.Text.Encoding.UTF8.GetString(d2));
}
public void PublicKeyBoxOpenDetachedBadMac()
{
var actual = PublicKeyBox.CreateDetached(
Encoding.UTF8.GetBytes("Adam Caudill"),
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Utilities.HexToBinary("2a5c92fac62514f793c0bfd374f629a138c5702793a32c61dadc593728a15975"),
Utilities.HexToBinary("83638e30326e2f55509286ac86afeb5bfd0732a3d11747bd50eb96bb9ec85645"));
Assert.Throws <MacOutOfRangeException>(() =>
{
PublicKeyBox.OpenDetached(actual.CipherText, null,
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Utilities.HexToBinary("2a5c92fac62514f793c0bfd374f629a138c5702793a32c61dadc593728a15975"),
Utilities.HexToBinary("83638e30326e2f55509286ac86afeb5bfd0732a3d11747bd50eb96bb9ec85645"));
});
}
public void DetachedBox()
{
var expected = Utilities.HexToBinary("4164616d2043617564696c6c");
var actual = PublicKeyBox.CreateDetached(
Encoding.UTF8.GetBytes("Adam Caudill"),
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Utilities.HexToBinary("2a5c92fac62514f793c0bfd374f629a138c5702793a32c61dadc593728a15975"),
Utilities.HexToBinary("83638e30326e2f55509286ac86afeb5bfd0732a3d11747bd50eb96bb9ec85645"));
var clear = PublicKeyBox.OpenDetached(actual.CipherText, actual.Mac,
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Utilities.HexToBinary("2a5c92fac62514f793c0bfd374f629a138c5702793a32c61dadc593728a15975"),
Utilities.HexToBinary("83638e30326e2f55509286ac86afeb5bfd0732a3d11747bd50eb96bb9ec85645"));
Assert.AreEqual(clear, expected);
}
public void PublicKeyBoxOpenDetachedBadMac()
{
var actual = PublicKeyBox.CreateDetached(
Encoding.UTF8.GetBytes("Adam Caudill"),
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Utilities.HexToBinary("2a5c92fac62514f793c0bfd374f629a138c5702793a32c61dadc593728a15975"),
Utilities.HexToBinary("83638e30326e2f55509286ac86afeb5bfd0732a3d11747bd50eb96bb9ec85645"));
var clear = PublicKeyBox.OpenDetached(actual.CipherText, null,
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Utilities.HexToBinary("2a5c92fac62514f793c0bfd374f629a138c5702793a32c61dadc593728a15975"),
Utilities.HexToBinary("83638e30326e2f55509286ac86afeb5bfd0732a3d11747bd50eb96bb9ec85645"));
//we shouldn't get here
Assert.IsNull(clear);
}