public void SimpleAuthTest()
{
var expected = Utilities.HexToBinary("8d5436accbe258a6b252c1140f38d7b8dc6196619945818b72512b6a8019d86dfeeb56f40c4d4b983d97dfeed37948527256c3567d6b253757fcfb32bef56f0b4164616d2043617564696c6c");
var actual = PublicKeyAuth.Sign(Encoding.UTF8.GetBytes("Adam Caudill"),
Utilities.HexToBinary("89dff97c131434c11809c3341510ce63c85e851d3ba62e2f810016bbc67d35144ffda13c11d61d2b9568e54bec06ea59368e84874883087645e64e5e9653422e"));
CollectionAssert.AreEqual(expected, actual);
}
/// <summary>
/// Sign the specified message with the private key.
/// </summary>
/// <param name='privateKey'>
/// The private key.
/// </param>
/// <param name='message'>
/// The message.
/// </param>
/// <returns>
/// The message that has been signed (encrypted) by the private key.
/// </returns>
public byte[] Sign(byte[] privateKey, byte[] message)
{
if (Keys == null)
{
Keys = PublicKeyAuth.GenerateKeyPair(privateKey);
}
return(PublicKeyAuth.Sign(message, Keys.PrivateKey));
}
public void VerifyTest()
{
var kp = PublicKeyAuth.GenerateKeyPair();
byte[] message = System.Text.Encoding.UTF8.GetBytes("Hello, World!");
var signature = PublicKeyAuth.Sign(message, kp.Secret);
var verification = PublicKeyAuth.Verify(signature, kp.Public);
Assert.AreEqual(message.ToString(), verification.ToString());
}
public void SignAuthBadKey()
{
//Don`t copy bobSk for other tests (bad key)!
//30 byte
var bobSk = new byte[] {
0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b,
0x79, 0xe1, 0x7f, 0x8b, 0x83, 0x80, 0x0e, 0xe6,
0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 0xb6, 0xfd,
0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88
};
PublicKeyAuth.Sign(Encoding.UTF8.GetBytes("Adam Caudill"), bobSk);
}
public void SignAuthBadKey()
{
//Don`t copy bobSk for other tests (bad key)!
//30 byte
var bobSk = new byte[] {
0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b,
0x79, 0xe1, 0x7f, 0x8b, 0x83, 0x80, 0x0e, 0xe6,
0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 0xb6, 0xfd,
0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88
};
var message = Encoding.UTF8.GetBytes("Adam Caudill");
Assert.Throws <KeyOutOfRangeException>(
() => PublicKeyAuth.Sign(message, bobSk));
}
public void SignTest()
{
var kp = PublicKeyAuth.GenerateKeyPair();
byte[] message = System.Text.Encoding.UTF8.GetBytes("Hello, World!");
var signature = PublicKeyAuth.Sign(message, kp.Secret);
// Test against a seed and expected output generated from libsodium
var seed = Convert.FromBase64String("zYZceFCtMRu4FAi/a47fN+21396uv/QcUMvi/u08zCw=");
var expected = Convert.FromBase64String("BlWhHIrosG+Q7jq/lMgxkw79f7dM1x2u+IR6f5nPojaVdaXpUbSpzVSPT238CCDInCnQQ5ueMetEoaXYhET+CEhlbGxvLCBXb3JsZCE=");
kp = PublicKeyAuth.GenerateKeyPair(seed);
signature = PublicKeyAuth.Sign(message, kp.Secret);
Assert.AreEqual(expected.ToString(), signature.ToString());
}
public static byte[] Sign(Tuple <byte[], byte[]> keyPair, string message)
{
return(PublicKeyAuth.Sign(Encoding.UTF8.GetBytes(message), keyPair.Item2));
}
/*
* public static byte[] CreatePrivateKey(string masterPassword) {
*
* var hash = SHA256.Create().ComputeHash(value);
* }
* */
public static byte[] CreateSignature(byte[] privateKey)
{
Debug.Assert(privateKey.Length == 32);
return(PublicKeyAuth.Sign("hello", privateKey));
}