From: "Anand Dhuru" I have 2 asm files written by different authors that do the same thing; decode RC5. If you go thru' the >listing, you would get a pretty good idea on how to go about it. >I tried to attach them to this post, but the message bounced back. >If you are interested, do let me know. Hello, Yes, please send them to me at spam-me@houston.rr.com. I've found lots of explanations of how RC5 works (as if it really needs much explanation), but nearly nothing on decoding it in software. Thanks! michael -- 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