private static byte[] DecryptHardwareUID(string UID)
{
//Split 4 part Id into 4 ulong
string[] _ids = UID.Split('-');
//Combine 4 part Id into one byte array
byte[] _value = new byte[16];
Buffer.BlockCopy(BitConverter.GetBytes(BASE36.Decode(_ids[0])), 0, _value, 0, 4);
Buffer.BlockCopy(BitConverter.GetBytes(BASE36.Decode(_ids[1])), 0, _value, 4, 4);
Buffer.BlockCopy(BitConverter.GetBytes(BASE36.Decode(_ids[2])), 0, _value, 8, 4);
Buffer.BlockCopy(BitConverter.GetBytes(BASE36.Decode(_ids[3])), 0, _value, 12, 4);
return(_value);
}
public static string GenerateHardwareUid()
{
string hardwareUid = string.Empty;
byte[] _checksum = GetHardwareUID();
//Convert checksum into 4 ulong parts and use BASE36 to encode both
string _part1Id = BASE36.Encode(BitConverter.ToUInt32(_checksum, 0));
string _part2Id = BASE36.Encode(BitConverter.ToUInt32(_checksum, 4));
string _part3Id = BASE36.Encode(BitConverter.ToUInt32(_checksum, 8));
string _part4Id = BASE36.Encode(BitConverter.ToUInt32(_checksum, 12));
//Concat these 4 part into one string
hardwareUid = string.Format("{0}-{1}-{2}-{3}", _part1Id, _part2Id, _part3Id, _part4Id);
return(hardwareUid);
}
