public void SignTestString()
{
var message = Encoding.ASCII.GetBytes("This is a test message");
// Generate signature using private key
var prvKey = new PrivateKey(1234567890); // WIF: KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M8naNQh65b43SA
var wifString = prvKey.GetWifString();
var sig = prvKey.Sign(message);
var pubKeyBytes = prvKey.GetPublicKey().GetPublicKeyBytes();
// Verify using only publicly shared information (public key, message and signature)
var pubKey = PublicKey.Parse(pubKeyBytes);
bool valid = pubKey.Verify(message, sig);
Assert.IsTrue(valid);
}
public void GenerateWifStringTest()
{
// Compressed
var prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString("1E99423A4ED27608A15A2616A2B0E9E52CED330AC530EDCC32C8FFC6A526AEDD");
var expected = "KxFC1jmwwCoACiCAWZ3eXa96mBM6tb3TYzGmf6YwgdGWZgawvrtJ";
var prvKey = new PrivateKey(prvKeyVal, false, true);
var wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString("1E99423A4ED27608A15A2616A2B0E9E52CED330AC530EDCC32C8FFC6A526AEDD");
expected = "L5oLkpV3aqBJ4BgssVAsax1iRa77G5CVYnv9adQ6Z87te7TyUdSC";
prvKey = new PrivateKey(BigInteger.Pow(2, 256) - BigInteger.Pow(2, 199), false, true);
wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString("1cca23de92fd1862fb5b76e5f4f50eb082165e5191e116c18ed1a6b24be6a53f");
expected = "cNYfWuhDpbNM1JWc3c6JTrtrFVxU4AGhUKgw5f93NP2QaBqmxKkg";
prvKey = new PrivateKey(prvKeyVal, true, true);
wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
// Uncompressed
prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString("1E99423A4ED27608A15A2616A2B0E9E52CED330AC530EDCC32C8FFC6A526AEDD");
expected = "5J3mBbAH58CpQ3Y5RNJpUKPE62SQ5tfcvU2JpbnkeyhfsYB1Jcn";
prvKey = new PrivateKey(prvKeyVal, false, false);
wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString("0C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D");
expected = "5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ";
prvKey = new PrivateKey(prvKeyVal, false, false);
wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
prvKeyVal = BigIntegerUtilities.CreateFromUnsignedBigEndianHexString("0dba685b4511dbd3d368e5c4358a1277de9486447af7b3604a69b8d9d8b7889d");
expected = "5HvLFPDVgFZRK9cd4C5jcWki5Skz6fmKqi1GQJf5ZoMofid2Dty";
prvKey = new PrivateKey(prvKeyVal, false, false);
wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
expected = "93XfLeifX7Jx7n7ELGMAf1SUR6f9kgQs8Xke8WStMwUtrDucMzn";
prvKey = new PrivateKey(BigInteger.Pow(2, 256) - BigInteger.Pow(2, 201), true, false);
wifString = prvKey.GetWifString();
Assert.AreEqual(expected, wifString);
}