c9f92513   
   XPost: comp.dsp, sci.crypt, sci.electronics.design   
   From: rick.jones2@hp.com   
      
   In comp.protocols.tcp-ip Mark  wrote:   
   > > Passing encrypted video over a satellite network built for   
   > > unencrypted analog video is not a trivial challenge. As far as I   
   > > know, there exists no scheme to do this that has not been broken   
   > > already. The problem is that encryption works partly by diffusing   
   > > information so that no part of the output looks like any part of   
   > > the input. The satellite link is filled with errors and distortion   
   > > that have to be contained to retain adequate video quality.   
      
   > um,, is that why General Instrument was able to do it did it 15 years   
   > ago for HBO?   
      
   Is it "known" that the GI stuff (irony :) isn't cracked?   
      
   rick jones   
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