public void Bip322SignatureEncodingDecoding()
{
// [all all all all all all all all all all all all]/84'/0'/0'/1/0
using var key = new Key(Encoders.Hex.DecodeData("3460814214450E864EC722FF1F84F96C41746CD6BBE2F1C09B33972761032E9F"));
var message = new uint256(Encoders.Hex.DecodeData("BB06B6D65C9F4A1D245F203EB039A735D94D3ECA3E19B04DA59956413F5D5C8F"), false);
var bip322Signature = Bip322Signature.Generate(key, message, ScriptPubKeyType.Segwit);
Console.WriteLine(Encoders.Hex.EncodeData(bip322Signature.ToBytes()));
var bip322SignatureBytes = Encoders.Hex.DecodeData("0002473044022006806E4B84C490372AD4728435DBF505FA39B4257E5A5B4A343A1C34A2D4390602205321627EF5933E8D2A589552ABE07D1EEE6F6C8C716DD5BA7F99C9F324694E230121032EF68318C8F6AAA0ADEC0199C69901F0DB7D3485EB38D9AD235221DC3D61154B");
Assert.True(bip322SignatureBytes.SequenceEqual(bip322Signature.ToBytes()));
var bip322SignatureDeserialized = Bip322Signature.FromBytes(bip322SignatureBytes);
Assert.True(bip322SignatureBytes.SequenceEqual(bip322SignatureDeserialized.ToBytes()));
}
public void Bip322SignatureVerification()
{
// [all all all all all all all all all all all all]/84'/0'/0'/1/0
using var key = new Key(Encoders.Hex.DecodeData("3460814214450E864EC722FF1F84F96C41746CD6BBE2F1C09B33972761032E9F"));
var message = new uint256(Encoders.Hex.DecodeData("BB06B6D65C9F4A1D245F203EB039A735D94D3ECA3E19B04DA59956413F5D5C8F"), false);
var bip322Signature = Bip322Signature.Generate(key, message, ScriptPubKeyType.Segwit);
var signature = bip322Signature.Witness[0];
var pubKey = bip322Signature.Witness[1];
var scriptPubKey = key.PubKey.GetScriptPubKey(ScriptPubKeyType.Segwit);
// Valid signature
Assert.True(bip322Signature.Verify(message, scriptPubKey));
byte[] invalidSignature;
byte[] invalidPubKey;
Bip322Signature invalidBip322Signature;
// Invalid signature, modified scriptsig
invalidBip322Signature = new Bip322Signature(new Script(new byte[] { 0x00 }), bip322Signature.Witness);
Assert.False(invalidBip322Signature.Verify(message, scriptPubKey));
// Invalid signature, modified length field of signature in witness
invalidSignature = signature.ToArray();
invalidSignature[2] = 30;
invalidBip322Signature = new Bip322Signature(bip322Signature.ScriptSig, new WitScript(new List <byte[]> {
invalidSignature, pubKey
}));
Assert.False(invalidBip322Signature.Verify(message, scriptPubKey));
// Invalid signature, Modified r part of signature in witness
invalidSignature = signature.ToArray();
invalidSignature[4] ^= 1;
invalidBip322Signature = new Bip322Signature(bip322Signature.ScriptSig, new WitScript(new List <byte[]> {
invalidSignature, pubKey
}));
Assert.False(invalidBip322Signature.Verify(message, scriptPubKey));
// Invalid signature, Modified pubkey in witness
invalidPubKey = pubKey.ToArray();
invalidPubKey[2] ^= 1;
invalidBip322Signature = new Bip322Signature(bip322Signature.ScriptSig, new WitScript(new List <byte[]> {
signature, invalidPubKey
}));
Assert.False(invalidBip322Signature.Verify(message, scriptPubKey));
}
public OwnershipProof(ProofBody proofBody, Bip322Signature proofSignature)
{
_proofBody = proofBody;
_proofSignature = proofSignature;
}
