glynn clements glynnclementsvirginnet yannick gingras wrote mean cdkey like presume typo mean unbreakable typo unbreakable would mean one even previously authorised entity could use system without paying periodic subscription fee need far explicit problem wish solve constraints involved could online system work 95 offline poll frequently offsite server mass production cds maybe mass personalised dl like sun jdk nothing fixed yet looking way software protected unauthorized utilisation use trusted hardware really worth answering requires fairly complete knowledge business model probability isnt usually worth comes difficult want make crackers job product requires occasional authentication simple copying wont work product cracked case issue whether youre actually going enter battle crackers make sure isnt trivial lot comes customer base teenage kids tend concerned cost less concerned virusestrojans willing use warez fortune500 corporations likely view matters differently really make secure yes software techniques get far actually ultimately true hardware cracking hardware likely require resources labour almost anything reverse engineered may possible ensure uneconomical look dvds iirc css cracked reverseengineering software player one developers forgot encrypt decryption key glynn clements tue 3 sep 2002 235547 0100 secure sofware key