public static string GetAddressOfcompressed(BigInteger[] publicKey, bool show)
{
var publicKeyArray1 = HexToByteArray.BigIntegerTo32ByteArray(publicKey[0]);
HexToByteArray.ChangeDirection(ref publicKeyArray1);
// var publicKeyArray2 = HexToByteArray.BigIntegerTo32ByteArray(publicKey[1]);
byte[] resultAdd;
if (publicKey[1].IsEven)
{
resultAdd = Calculate.BiteSplitJoint(new byte[] { 0x02 }, publicKeyArray1);
}
else
{
resultAdd = Calculate.BiteSplitJoint(new byte[] { 0x03 }, publicKeyArray1);
}
if (show)
{
Console.WriteLine($"压缩公钥为{ Hex.BytesToHex(resultAdd)}");
}
// Console.WriteLine($"压缩公钥为{ Calculate.Encode(resultAdd)}");
var step3 = ripemd160.ComputeHash(sha256.ComputeHash(resultAdd));
var step4 = Calculate.BiteSplitJoint(new byte[] { 0x00 }, step3);
var step5 = sha256.ComputeHash(sha256.ComputeHash(step4));
var step6 = Calculate.BiteSplitJoint(step4, new byte[] { step5[0], step5[1], step5[2], step5[3] });
return(Calculate.Encode(step6));
}
public static string GetAddressOfUncompressed(BigInteger[] publicKey)
{
var publicKeyArray1 = HexToByteArray.BigIntegerTo32ByteArray(publicKey[0]);
HexToByteArray.ChangeDirection(ref publicKeyArray1);
var publicKeyArray2 = HexToByteArray.BigIntegerTo32ByteArray(publicKey[1]);
HexToByteArray.ChangeDirection(ref publicKeyArray2);
// var array = HexToByteArray.BigIntegerTo32ByteArray(privateKey);
var resultAdd = Calculate.BiteSplitJoint(new byte[] { 0x04 }, publicKeyArray1);
resultAdd = Calculate.BiteSplitJoint(resultAdd, publicKeyArray2);
Console.WriteLine($"非压缩公钥为{ Hex.BytesToHex(resultAdd)}");
var step3 = ripemd160.ComputeHash(sha256.ComputeHash(resultAdd));
var step4 = Calculate.BiteSplitJoint(new byte[] { 0x00 }, step3);
var step5 = sha256.ComputeHash(sha256.ComputeHash(step4));
var step6 = Calculate.BiteSplitJoint(step4, new byte[] { step5[0], step5[1], step5[2], step5[3] });
return(Calculate.Encode(step6));
//SHA256 sha256 = new SHA256Managed();
//byte[] hash1 = sha256.ComputeHash(resultAdd);
//var pubKeyHash = Hash160.Hash(publicKey.EncodePoint(hash1));
//byte[] hash2 = sha256.ComputeHash(hash1);
//var result = new byte[CheckSumSizeInBytes];
//Buffer.BlockCopy(hash2, 0, result, 0, result.Length);
//byte[] chechHash = Calculate.GetCheckSum(resultAdd);
}
public static string SignMessage()
{
Console.WriteLine("请输入要签名的信息(utf-8)");
var msg = Console.ReadLine();
Console.WriteLine("请输入要私钥");
// output($"拖入您的Base58编码的37位或38位的私钥的路径，用此私钥进行验证.即校验.txt");
var privateKey = Console.ReadLine();
System.Numerics.BigInteger privateBigInteger;
if (PrivateKeyF.Check(privateKey, out privateBigInteger))
{
}
else
{
Console.WriteLine($"请输入正确的私钥！！！");
return("");
}
bool compressed;
string address;
if (privateKey.Length == 51)
{
compressed = false;
address = PublicKeyF.GetAddressOfUncompressed(Calculate.getPublicByPrivate(privateBigInteger));
}
else if (privateKey.Length == 52)
{
compressed = true;
address = PublicKeyF.GetAddressOfcompressed(Calculate.getPublicByPrivate(privateBigInteger));
}
else
{
throw new Exception("");
}
var msgHash = msg_digest(msg);
var signal = PrivateKeyF.Sign(privateBigInteger, msgHash);
var r = signal[0];
var rByte = HexToByteArray.BigIntegerTo32ByteArray(r);
HexToByteArray.ChangeDirection(ref rByte);
var s = signal[1];
var sByte = HexToByteArray.BigIntegerTo32ByteArray(s);
HexToByteArray.ChangeDirection(ref sByte);
// Console.WriteLine($"{Convert.ToBase64String(rByte)}{Convert.ToBase64String(sByte)}");
var sequence = new byte[] { 0 }; //[0];
sequence = sequence.Concat(rByte).ToArray();
sequence = sequence.Concat(sByte).ToArray();
for (var i = 0; i < 4; i++)
{
int nV = 27 + i;
if (compressed)
{
nV += 4;
}
sequence[0] = Convert.ToByte(nV);
var sig = Convert.ToBase64String(sequence);
Console.WriteLine(sig);
var calAddredd = verify_message(sig, msg, compressed ? 1 : 0);
// return sig;
if (calAddredd == address)
{
return(sig);
}
//if (verify_message(sig, msg, compressed ? 1 : 0) == address)
// return sig;
}
return("");
}