public static EcKey createEcKeyFromHexString(String privateKey)
{
BigInteger pkey = new BigInteger(privateKey, 16);
EcKey key = new EcKey(pkey);
return(key);
}
//public static EcKey loadEcKey()
//{
// using (FileStream fs = File.OpenRead(PRIV_KEY_FILENAME))
// {
// byte[] b = new byte[1024];
// fs.Read(b, 0, b.Length);
// string base58 = new Base58Encoding().Encode(b);
// Debug.Log("loadEcKey():Base58 of prvkey:" + base58);
// EcKey key = EcKey.FromAsn1(b);
// return key;
// }
//}
public static Key loadNBEcKey()
{
string base58 = ResourcesDataAccess.Load();
byte[] b = new Base58Encoding().Decode(base58);
EcKey key = EcKey.FromAsn1(b);
return(new Key(key.GetPrivKeyBytes()));
}
//public static void saveEcKey(EcKey ecKey)
//{
// byte[] bytes = ecKey.ToAsn1();
// FileStream fs = new FileStream(PRIV_KEY_FILENAME, FileMode.Create, FileAccess.Write);
// fs.Write(bytes, 0, bytes.Length);
// fs.Close();
//}
public static void saveEcKey(Key nbEcKey)
{
Debug.Log("saveEcKey():start");
byte[] bytes = EcKey.ToAsn1(nbEcKey.ToBytes(), nbEcKey.PubKey.ToBytes());
string base58 = new Base58Encoding().Encode(bytes);
ResourcesDataAccess.Save(base58);
Debug.Log("saveEcKey():end");
}
public static string sign(EcKey ecKey, string input)
{
// return ecKey.Sign(input);
String hash = Sha256Hash(input);
var hashBytes = hexToBytes(hash);
var signature = ecKey.Sign(hashBytes);
var bytesHex = bytesToHex(signature);
return(bytesHex);
//return bytesToHex(ecKey.Sign(hexToBytes(hash)));
}
//public static void saveEcKey(Key nbEcKey)
//{
// Debug.Log("saveEcKey():start");
// byte[] bytes = EcKey.ToAsn1(nbEcKey.ToBytes(), nbEcKey.PubKey.ToBytes());
// string base58 = new Base58Encoding().Encode(bytes);
// DataAccess.Save(base58);
// Debug.Log("saveEcKey():end");
//}
//public static void saveEcKey(Key nbEcKey)
//{
// Debug.Log("saveEcKey():start");
// byte[] bytes = EcKey.ToAsn1(nbEcKey.ToBytes(), nbEcKey.PubKey.ToBytes());
// FileStream fs = new FileStream(PRIV_KEY_FILENAME, FileMode.Create, FileAccess.Write);
// fs.Write(bytes, 0, bytes.Length);
// fs.Close();
// Debug.Log("saveEcKey():end");
//}
public static String deriveSIN(EcKey ecKey)
{
byte[] pubKey = ecKey.PubKey;
return(deriveSIN(pubKey));
}