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311 posts

Ultimate Geek
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Topic # 151272 20-Aug-2014 01:37
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Hey guys, quick question.

 

 

 

This idea just came to my head now.

Why does Pay TV companies, ie sky issue smartcards?

 

 

 

Surely it would be more easier, to prevent card sharing, and possible borrowing of a sky card, if the encryption was inbuilt into the STB,  for example an NDS chip located internally.

 

 

 

South Africa has a platform (M-net) launched in 1985, due to the delay in shutting off Analogue there, the 1985 M-net terrestrial service is still broadcasting, although most people have gone over to the Digital DStv platform now. 

 

The point is, although the video only has a minor scrambling to it, the audio is super secure, and not many people have been able to actually crack it, those who have, have either been caught by Multichoice, or are laying low, but it's a big task, and this is 30 year old Technology. The equipment may have been slightly upgraded, but I'm pretty sure most of the equipment used is still the original equipment.

How many times has the current NDS system actually successfully cracked internationally?

 

If not cracked, all the millions of card shares going on.

 

 

 

If there is  internal based encryption, and secure enough, and it's only available on certain decoders, and enforced strictly, card sharing should become a thing of the past.

 

What do you guys think?

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Uber Geek
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  Reply # 1111734 20-Aug-2014 01:40
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Who card shares :)
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Master Geek
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  Reply # 1111744 20-Aug-2014 06:31
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Your thinking is good. What it comes down to when the decision is made is the risk that the built-in CA might be cracked and require replacing all the STBs vs the lower cost of replacing a full set of cracked smartcards. Logically the risk does not justify the extra cost of the smartcards, but no-one wants to be the one who has to go to the big boss and say that we have to pay to cart a new STB to every customer when we could have just mailed out a new card.

 
 
 
 


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  Reply # 1112083 20-Aug-2014 13:39
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It also allows them to update encryption or entitlements differently than if they where tied to the STB.  I recall a change in NDS version in the UK and they swapped all the cards out, imagine doing that if it was a chip in the STB!

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  Reply # 1112109 20-Aug-2014 14:32
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The simple answer to your question is that smart cards are old school and no longer being used by many providers for all the reasons you've listed above. TelstraClear chose to a move away from them for the t-box because it was such an antiquated solution.



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