RanchiMall/localbitcoinplusplus
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added sign functionality

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This commit is contained in:
Abhishek Sinha 2018-10-09 21:36:36 +05:30
parent 054eef05b2
commit be2a649b39
1 changed files with 44 additions and 34 deletions
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74
supernode/main.html
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@ -7282,55 +7282,65 @@
// console.log(veri); // console.log(veri);
var privateKey = Bitcoin.ECDSA.getBigRandom(EllipticCurve.getSECCurveByName("secp256k1").getN()); var privateKey = Bitcoin.ECDSA.getBigRandom(EllipticCurve.getSECCurveByName("secp256k1").getN());
var publicKey = EllipticCurve.getSECCurveByName("secp256k1").getG().multiply(privateKey); var pubKey = EllipticCurve.getSECCurveByName("secp256k1").getG().multiply(privateKey);
console.log(privateKey); console.log(privateKey);
console.log(publicKey); var key = new Bitcoin.ECKey(privateKey);
key.setCompressed(true);
privateKeyHex = key.getBitcoinHexFormat();
console.log(privateKeyHex);
// var hx = key.getBitcoinPrivateKeyByteArray(privateKeyHex);
// var hxbi = new BigInteger(hx);
// console.log(hxbi);
var ms = "hello"; //console.log(Crypto.util.bytesToHex(privateKey));
var sign = this.sign(ms, privateKey); //console.log(Bitcoin.ECDSA.getBitcoinBase64Format(privateKey));
console.log(sign); // console.log(Crypto.util.hexToBytes(privateKey));
var verify = this.verify(ms, sign, publicKey);
console.log(verify); //console.log(pubKey);
//var ss = ninja.publicKey.getHexFromByteArray(pubKey);
//console.log(ss);
//var ms = "hello";
// var sign = this.sign(ms, privateKey);
//var sign = this.sign(ms, hxbi);
//console.log(sign);
//var verify = this.verify(ms, sign, pubKey);
//console.log(verify);
}, },
sign: function (msg, privateKey) { sign: function (msg, privateKeyHex) {
// var msgHash = Crypto.SHA256(msg);
// var msgHashBI = this.bigInt(msgHash);
// var privateKeyHashBI = this.bigInt(privateKey);
// var signature = new Bitcoin.ECDSA.sign(msgHashBI, privateKeyHashBI);
// //return signature; var key = new Bitcoin.ECKey(privateKeyHex);
// console.log(Crypto.util.bytesToHex(signature)); key.setCompressed(true);
// return Crypto.util.bytesToHex(signature);
var messageHash = Crypto.SHA256(msg); var messageHash = Crypto.SHA256(msg);
var messageHashBigInteger = new BigInteger(messageHash); var messageHashBigInteger = new BigInteger(messageHash);
var privateKeyArr = key.getBitcoinPrivateKeyByteArray(privateKeyHex);
var privateKey = new BigInteger(privateKeyArr);
var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, privateKey); var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, privateKey);
var messageSignParse = Bitcoin.ECDSA.parseSig(messageSign); var messageSignParse = Bitcoin.ECDSA.parseSig(messageSign);
return messageSignParse; var serializeSig = Bitcoin.ECDSA.serializeSig(messageSignParse.r, messageSignParse.s);
var sighex = Crypto.util.bytesToHex(serializeSig);
return sighex;
}, },
verify: function (msg, signature, publicKey) { verify: function (msg, signatureHex, publicKey) {
var msgHash = Crypto.SHA256(msg); var msgHash = Crypto.SHA256(msg);
var messageHashBigInteger = new BigInteger(msgHash); var messageHashBigInteger = new BigInteger(msgHash);
// //var msgHashBI = Crypto.util.hexToBytes(msgHash);
// var signatureBI = Crypto.util.hexToBytes(signature); var sigBytes = Crypto.util.hexToBytes(signatureHex);
var signature = Bitcoin.ECDSA.parseSig(sigBytes);
// //var signatureBI = this.bigInt(signature);
// //console.log(signatureBI);
// //var publicKeyBI = this.bigInt(publicKey);
// //var publicKeyBI = Crypto.util.hexToBytes(publicKey);
// var publicKeyBI = publicKey;
// var verification = new Bitcoin.ECDSA.verify(msgHash, signatureBI, publicKeyBI);
// return verification;
var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger,signature.r, signature.s, publicKey); var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger,signature.r, signature.s, publicKey);
return verify; return verify;
} }