
Originally Posted by
some888
Actually I do not think that any encryption has ever actually been broken, form classical hacking point of view, I mean from DVB stream. In most cases encryption cards been just reverse engineered and if going further, found master codes from them. Besides even to find the Biss Key from DVB stream takes about 250 years on a single computer.
When it comes to Nagravison then Nagravison 1 is still as mathematically secure as it was on the day it was first wheeled out. Mathematically Nagravison 3 isn't really that much different to Nagravison 2 which is only slightly different to Nagravison 1. The key sizes have changes a little bit and parts of the actual algorithm used have changed but it’s really cosmetic.
The ONLY reason N1 was broken was that NDS completely reverse engineered the card in their labs in Israel and then "leaked" information to a certain hacker who then used this to find the good old "Nipper" backdoor. But NDS and Christopher Tarnovsky got stung for R.E the Nagravison cards. In a massive court case, so its highly unlikely they will risk it again.
Nagravison 2 was only really cracked because Kudelski was lazy and re-used codes/techniques that they used in the Nagravison 1 card. That plus the fact there was a lot of money thrown at the card to have it reverse engineered in an Eastern European lab !
No encryption was ever broken. It’s simply that the card has coding bugs which allows things that it shouldn't.