public void testSignAndVerify1()
{
string fullURL = "https://btcpaytest.indiesquare.net/tokens";
//byte[] dataBytes = Encoding.UTF8.GetBytes(fullURL);
String hash = KeyUtils.Sha256Hash(fullURL);
var dataBytes = KeyUtils.hexToBytes(hash);
byte[] sigBytes = _ecKey.Sign(dataBytes);
string sigStr = KeyUtils.bytesToHex(sigBytes);
Assert.IsTrue(_ecKey.Verify(dataBytes, sigBytes));
}
public void TestSignatures()
{
// Test that we can construct an ECKey from a private key (deriving the public from the private), then signing
// a message with it.
var privkey = new BigInteger(1, Hex.Decode("180cb41c7c600be951b5d3d0a7334acc7506173875834f7a6c4c786a28fcbb19"));
var key = new EcKey(privkey);
var message = new byte[32]; // All zeroes.
var output = key.Sign(message);
Assert.True(key.Verify(message, output));
// Test interop with a signature from elsewhere.
var sig = Hex.Decode("3046022100dffbc26774fc841bbe1c1362fd643609c6e42dcb274763476d87af2c0597e89e022100c59e3c13b96b316cae9fa0ab0260612c7a133a6fe2b3445b6bf80b3123bf274d");
Assert.True(key.Verify(message, sig));
}
public void TestSignatures()
{
// Test that we can construct an ECKey from a private key (deriving the public from the private), then signing
// a message with it.
var privkey = new BigInteger(1, Hex.Decode("180cb41c7c600be951b5d3d0a7334acc7506173875834f7a6c4c786a28fcbb19"));
var key = new EcKey(privkey);
var message = new byte[32]; // All zeroes.
var output = key.Sign(message);
Assert.IsTrue(key.Verify(message, output));
// Test interop with a signature from elsewhere.
var sig = Hex.Decode("3046022100dffbc26774fc841bbe1c1362fd643609c6e42dcb274763476d87af2c0597e89e022100c59e3c13b96b316cae9fa0ab0260612c7a133a6fe2b3445b6bf80b3123bf274d");
Assert.IsTrue(key.Verify(message, sig));
}
public TransactionSignature CalculateSignature(Transaction transaction, TransactionOutPoint outPoint, EcKey key, Script.Script redeemScript, Transaction.SigHash hashType)
{
// at the moment only signing all the outputs is supported
Thrower.If(hashType != Transaction.SigHash.All).Throw <TransactionException>("Only SigHash type 'All' supported");
//// clone the transaction and clear all the inputs
//// only the inputs for the equivalent output needs to be present for signing
var signTx = transaction.Clone();
signTx.Inputs.ForEach(input => input.ScriptBytes = Enumerable.Empty <byte>().ToArray());
// set the redeem script and clear it of 'OP_CODESEPARATOR'
var connectedScript = redeemScript.GetProgram();
var redeemConnectedScript = Script.Script.RemoveAllInstancesOfOp(connectedScript, ScriptOpCodes.OP_CODESEPARATOR);
signTx.FindInput(outPoint).ScriptBytes = redeemConnectedScript;
// serialize then hash the transaction to HEX and sign it.
var trxHex = this.Serializer.ToHex(signTx, hashType);
var hash = CryptoUtil.Sha256HashTwice(CryptoUtil.ConvertHex(trxHex));
return(new TransactionSignature(key.Sign(hash), hashType));
}
public static String Sign(EcKey ecKey, String input)
{
String hash = Sha256Hash(input);
return(BytesToHex(ecKey.Sign(HexToBytes(hash))));
}