XPost: comp.dsp, sci.crypt, sci.electronics.design   
   From: LeonardooftheLarcenousLaugh@thebarattheendoftheuniverse.org   
      
   On Wed, 23 Dec 2009 11:58:53 -0500, "Michael A. Terrell"   
    wrote:   
      
   >   
   >TheJoker wrote:   
   >>   
   >> On Fri, 18 Dec 2009 23:27:05 -0500, "Michael A. Terrell"   
   >> wrote:   
   >>   
   >> >   
   >> >HiggsField wrote:   
   >> >>   
   >> >> On Fri, 18 Dec 2009 05:56:55 -0500, "Michael A. Terrell"   
   >> >> wrote:   
   >> >>   
   >> >> >   
   >> >> >Rick Jones wrote:   
   >> >> >>   
   >> >> >> 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?   
   >> >> >   
   >> >> >   
   >> >> > You do know there were two levels of Videocipher? VC-1 was designed   
   >> >> >for military applications.   
   >> >>   
   >> >> Total bullshit. It was designed for backhaul work. It was also used   
   >> >> by companies like General Motors, to feed training seminars, etc. to all   
   >> >> their dealerships. They were one of the first OTA educational systems of   
   >> >> that depth.   
   >> >>   
   >> >> ALL the major networks ended up using it, and that is what made GI the   
   >> >> de facto standard, and is why they were UNsuccessfully sued as a   
   >> >> monopoly. Uplink encoding is used by any content provider, and they must   
   >> >> use GI gear because that is what all the birds use. So they ARE a   
   >> >> monopoly, by default, but it is not their fault all the networks went   
   >> >> with their gear.   
   >> >>   
   >> >> > VC-II was a very scaled down version done for   
   >> >> >HBO in the early '80s.   
   >> >>   
   >> >> VC-I was in use in 1983 and from then on.   
   >> >>   
   >> >> It was retired on the last day of last year, 2008.   
   >> >>   
   >> >> VC-II (1985)"was done for" satellite receivers, uplink encoders and   
   >> >> decoders, and backhaul work, not just for HBO. It was retired in 1993 as   
   >> >> piracy had to be nipped out of the system. That was VC-II RS and that is   
   >> >> where the false keys and rolling keys and such came from. Then came   
   >> >> DigiCipher and DigiCipher II.   
   >> >>   
   >> >> > I installed one of the first VC-II units for   
   >> >> >beta testing for HBO at United Video in Cincinnati, Ohio. That would   
   >> >> >make it 25 years.   
   >> >>   
   >> >> It appears that you understand basic math.   
   >> >>   
   >> >> VC-II was hardware items for cable system operators, sure, but it was   
   >> >> ALSO hardware items for use in end user satellite set-top boxes, which   
   >> >> have nothing to do with cable.   
   >> >   
   >> >   
   >> > ESD, dimbulb.   
   >>   
   >> You're a total retard, TurdEl.   
   >   
   >   
   > You're always trying to pull people down to your level, Chicken   
   >Choker.   
      
    Hahaha... that was about as hypocritical a remark as any man could ever   
   make. Oh... that's right.. you do not rate the "man" moniker either,   
   much less live up to what the standards are for it.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   
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