Esempio n. 1
0
        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);
        }
Esempio n. 2
0
        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);
        }