I think I can assume I have a utf-8 encoded byte array, and try and work with that. I've been using the ctypes module in Python to interact with a .DLL file that contains the encrypt/decrypt ...

So I have a program in Python ... has a zero byte, this is taken as the "end-of-string" terminator ('\0') by os.write() and nothing is written past that. This becomes apparent when reading from ...