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- Xref: sparky sci.electronics:21957 rec.video.satellite:7553
- Path: sparky!uunet!stanford.edu!apple!apn
- From: apn@Apple.COM (Alex Novickis)
- Newsgroups: sci.electronics,rec.video.satellite
- Subject: Re: VIDEOCRYPT encryption system by Fergusson
- Message-ID: <76093@apple.apple.COM>
- Date: 5 Jan 93 00:14:53 GMT
- References: <C0B6Fx.74D@cantua.canterbury.ac.nz>
- Followup-To: sci.electronics
- Organization: Apple Computer Inc, Cupertino, CA
- Lines: 29
-
- In article <C0B6Fx.74D@cantua.canterbury.ac.nz> geoffrey@cosc.canterbury.ac.nz (Geoff Thomas) writes:
- >
- >Anybody know how the VIDEOCRYPT encryption system works?
- >It is manufacted by in the UK by Fergusson Ltd. The
- >decoder has a smart card which needs to be inserted into
- >it for it to decode the video signals (audio is unscrambled).
- >
- >How does it do the encryption? Is it based on wiggling sync
- >pulses? Or maybe on jumbling up video scan lines? Or maybe
- >something else?
- >
- >Anybody know?
- >
- >Cheers,
- >Geoff.
-
- I don't know the specifics, but here's what I did to find out about
- the ones we have in our area:
-
- There are usually some patent #'s written on the bottom of the box.
- These and a few hours at the patent office produced several hundreds
- of pages of pretty much the exact "secrets" I was looking for.
-
-
- --
- Alex P. Novickis, Real Time systems demi-guru. (W) 408-862-4541
- ALINK:alex.n (H) 415-691-0657
- UUCP:{amdahl,claris,pyramid,sun,decwrl,well,ubvax,ames}!apn@apple.com,apn@nonvon
- "I think... I think it's in my basement. Let me go upstairs and check"-Escher.
-