Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!uunet!midway!msuinfo!eecae.ee.msu.edu!mackay From: mackay@eecae.ee.msu.edu (James F. MacKay) Newsgroups: sci.electronics Subject: Re: VCR PLUS+ ...PSSST...WHAT'S THE CODE? Keywords: encoding Message-ID: <1991May6.165343.5041@msuinfo.cl.msu.edu> Date: 6 May 91 16:53:43 GMT References: <4764@osc.COM> Sender: news@msuinfo.cl.msu.edu Distribution: sci Organization: Michigan State University Lines: 19 jgk@osc.COM (Joe Keane) writes: >In article guest@geech.ai.mit.edu >(Guest Account) writes: >>For those of you who have heard of VCR PLUS+, does anyone know how the >>date, channel, start time and stop time are encoded into the program >>number? Here are examples: >I'm curious about this too. I doubt these guys hired professional >cryptographers to design their encoding scheme, so i bet it's not hard to >break. Does anyone have information on the scheme? Failing that, does anyone >have a large number of examples they'd like to send me? >-- >Joe Keane, amateur cryptographer >jgk@osc.com (...!uunet!stratus!osc!jgk) Has anyone considered how much information is in this short code? I've tried a few encoding schemes that I might use in designing a code and can't seem to figure out how they put so much info in so little space.