public static byte PolynomialCRC(byte[] data, byte polynomial)
{
if (data == null || data.Length == 0)
{
throw new ArgumentException(nameof(data), "PolynomialCRC: Data to CRC is invalid.");
}
if (ChecksumCalculator._lookupTable == null || ChecksumCalculator._lookupTable != null && (int)ChecksumCalculator._polynomial != (int)polynomial)
{
ChecksumCalculator.PopulateLookupTable(polynomial);
}
byte num1 = 0;
foreach (byte num2 in data)
{
num1 = ChecksumCalculator._lookupTable[(int)num1 ^ (int)num2];
}
return(num1);
}
public static byte XOR(string data) => ChecksumCalculator.XOR(Encoding.UTF8.GetBytes(data));