public static byte[] Encode(string input)
{
if (!referenceTable.IsValidString(input))
{
throw new Exception("invalid string. use char from table" + input);
}
string eightPadBitbinary = "";
foreach (var item in input.ToCharArray())
{
eightPadBitbinary += hex2binaryWithSixPadding(referenceTable[item]);
}
while (eightPadBitbinary.Length % 8 != 0)
{
eightPadBitbinary = "0" + eightPadBitbinary;
}
var eightPadBitbinaryArray = Enumerable.Range(0, eightPadBitbinary.Length / 8).
Select(pos => Convert.ToByte(eightPadBitbinary.Substring(pos * 8, 8),
2)
).ToArray();
return(eightPadBitbinaryArray);
}