public ECPoint CreatePoint(string hex)
{
if (hex == "00")
{
return(null);
}
if (hex.StartsWith("02"))
{
var x = BigIntegerExt.ParseHexUnsigned(hex.Substring(2));
return(CreatePoint(x, false));
}
else if (hex.StartsWith("03"))
{
var x = BigIntegerExt.ParseHexUnsigned(hex.Substring(2));
return(CreatePoint(x, true));
}
else if (hex.StartsWith("04"))
{
var keySize = (int)KeySize8 * 2;
var x = BigIntegerExt.ParseHexUnsigned(hex.Substring(2, keySize));
var y = BigIntegerExt.ParseHexUnsigned(hex.Substring(keySize + 2));
return(CreatePoint(x, y));
}
throw new System.FormatException();
}
public static ECPrivateKey ParseHex(string hex, ECCurve curve)
{
return(new ECPrivateKey(BigIntegerExt.ParseHexUnsigned(hex), curve));
}