public static void TestSm2GetKeyPair()
{
SM2Utils sm2Utils = new SM2Utils();
ECPoint pubk;
BigInteger prik;
SM2Utils.GenerateKeyPair(out pubk, out prik);
PubKey = Encoding.ASCII.GetString(Hex.Encode(pubk.GetEncoded())).ToUpper();
PriKey = Encoding.ASCII.GetString(Hex.Encode(prik.ToByteArray())).ToUpper();
//System.Console.Out.WriteLine("公钥: " + Encoding.ASCII.GetString(Hex.Encode(publicKey.GetEncoded())).ToUpper());
//System.Console.Out.WriteLine("私钥: " + Encoding.ASCII.GetString(Hex.Encode(privateKey.ToByteArray())).ToUpper());
}
private static byte[] SignData(FiscoTransModel trans, ECKeyPair key)
{
byte[][] b = new byte[10][];
b[0] = trans.data.AccountNonce;
b[1] = LibraryHelper.FromBigInteger(trans.data.Price);
b[2] = LibraryHelper.FromBigInteger(trans.data.GasLimit);
b[3] = LibraryHelper.FromBigInteger(trans.data.BlockLimit);
b[4] = trans.data.Recipient;
b[5] = trans.data.Amount == null ? null : LibraryHelper.FromBigInteger(trans.data.Amount);
b[6] = trans.data.Payload;
b[7] = LibraryHelper.FromBigInteger(trans.data.ChainID);
b[8] = LibraryHelper.FromBigInteger(trans.data.GroupID);
b[9] = trans.data.ExtraData;
var txb = Nethereum.RLP.RLP.EncodeElementsAndList(b);
if (trans.smcrypto)
{
BigInteger r, s;
SM2Utils.Sign(SM2Utils.SM3Hash(txb), key.prik, out r, out s);
trans.data.R = LibraryHelper.FromBigInteger(r);
trans.data.S = LibraryHelper.FromBigInteger(s);
var pub1 = key.pubk.Q.XCoord.GetEncoded();
var pub2 = key.pubk.Q.YCoord.GetEncoded();
byte[] v = new byte[pub1.Length + pub2.Length];
Array.Copy(pub1, 0, v, 0, pub1.Length);
Array.Copy(pub2, 0, v, pub1.Length, pub2.Length);
Console.WriteLine(string.Format("sign.V:{0}", Hex.ToHexString(v)));
trans.data.V = v;
}
else
{
var bytes = EthUtils.ConvertSHA256byte(txb);
var sign = EthUtils.Sign(bytes, key.prik);
trans.data.R = sign.Item1;
trans.data.S = sign.Item2;
trans.data.V = sign.Item3;
}
byte[][] si = new byte[b.Length + 3][];
Array.Copy(b, 0, si, 0, b.Length);
si[b.Length] = trans.data.V;
si[b.Length + 1] = trans.data.R;
si[b.Length + 2] = trans.data.S;
var txs = Nethereum.RLP.RLP.EncodeElementsAndList(si);
return(txs);
}
public static void TestSm2Enc()
{
string testStr = "hello world";
Console.WriteLine("原始数据 : " + testStr);
byte[] sourceData = Encoding.ASCII.GetBytes(testStr);
byte[] pubKey = HexStringToByteArray(PubKey);
string encStr = SM2Utils.Encrypt(pubKey, sourceData);
Console.WriteLine("加密后数据 : " + encStr);
byte[] prik = HexStringToByteArray(PriKey);
var data = Hex.Decode(Encoding.ASCII.GetBytes(encStr));
var decodedData = SM2Utils.Decrypt(prik, data);
var decodedStr = Encoding.ASCII.GetString(decodedData);
Console.WriteLine("解密后数据 : " + decodedStr);
}
public static void tesdDecFile()
{
string filePath = @"D:\ProjectDemo\SM2Crypto\tmp\MA05M6KK9201810311620120201.enc";
FileStream fs = new FileStream(filePath, FileMode.Open);
byte[] data = new byte[fs.Length];
fs.Seek(0, SeekOrigin.Begin);
fs.Read(data, 0, (int)fs.Length);
fs.Close();
byte[] prik = Encoding.ASCII.GetBytes(PRV_KEY);
//var data = Hex.Decode(Encoding.ASCII.GetBytes(encStr));
var decodedData = SM2Utils.Decrypt(Hex.Decode(prik), data);
string zipFilePath = @"D:\ProjectDemo\SM2Crypto\test\MA05M6KK9201810311620120201.zip";
FileStream zfs = new FileStream(zipFilePath, FileMode.Create);
zfs.Write(decodedData, 0, decodedData.Length);
zfs.Close();
}
private static byte[] SignData(CitaTransaction trans, bool sm, ECKeyPair key)
{
var tx = Util.MarshalByte(trans);
if (sm)
{
var publicKeyStr = fillStr64(formatHexString(Hex.ToHexString(key.pubk.Q.XCoord.ToBigInteger().ToByteArray())))
+ fillStr64(formatHexString(Hex.ToHexString(key.pubk.Q.YCoord.ToBigInteger().ToByteArray())));
Console.WriteLine(string.Format("publicKeyStr:{0}", publicKeyStr));
BigInteger r, s;
SM2Utils.Sign(SM2Utils.SM3Hash(tx), key.prik, out r, out s);
var signStr = fillStr64(formatHexString(Hex.ToHexString(r.ToByteArray()))) + fillStr64(formatHexString(Hex.ToHexString(s.ToByteArray())));
var publicKeyBytes = Hex.Decode(publicKeyStr);
var signBytes = Hex.Decode(signStr);
var byteSource = new byte[signBytes.Length + publicKeyBytes.Length];
signBytes.CopyTo(byteSource, 0);
publicKeyBytes.CopyTo(byteSource, signBytes.Length);
return(byteSource);
}
return(null);
}
private void BtnSm2Test(object sender, RoutedEventArgs e)
{
//公钥
string publickey = "";
//私钥
string privatekey = "";
//生成公钥和私钥
SM2Utils.GenerateKeyPair(out publickey, out privatekey);
System.Console.Out.WriteLine("加密明文: " + "000000");
System.Console.Out.WriteLine("publickey：" + publickey);
//开始加密
string cipherText = SM2Utils.Encrypt(publickey, "000000");
System.Console.Out.WriteLine("密文: " + cipherText);
System.Console.Out.WriteLine("privatekey：" + privatekey);
//解密
string plainText = SM2Utils.Decrypt(privatekey, cipherText);
System.Console.Out.WriteLine("明文: " + plainText);
Console.ReadLine();
}
