At 04:11 PM 7/6/00 -0700, you wrote: >I better idea may be to make the dongle a necessary part of the software. >If you are writing your software in C++, for example, put a routine that >isn't too processor intensive ONTO the PIC. Good idea, preferably the most tricky algorithm in your system, so as to make it difficult to reverse engineer. Then you'd have to be up against a multi-disciplinary adversary, a lot less likely. Best regards, =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics