public static BigInteger HexToBigInteger(string hex)
{
if (NumberTheory.Mod(hex.Length, 2) != 0)
{
hex = "0" + hex;
}
hex = hex.ToLower();
var bytes = new byte[hex.Length / 2 + 1];
for (var i = 0; i < bytes.Length - 1; i++)
{
bytes[bytes.Length - 2 - i] = HexToByte[hex.Substring(i * 2, 2)];
}
return(new BigInteger(bytes));
}
public static byte[] HexToBytes(string hex)
{
if (NumberTheory.Mod(hex.Length, 2) != 0)
{
hex = "0" + hex;
}
hex = hex.ToLower();
var bytes = new byte[hex.Length / 2];
for (var i = 0; i < hex.Length / 2; i++)
{
bytes[i] = HexToByte[hex.Substring(i * 2, 2)];
}
return(bytes);
}