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Originally Posted by wallcraft
So far as I know, .lit is the only e-book DRM that has been broken - and this is done by side-stepping the DRM rather than actually breaking it (PDF may be another example, but there are levels of PDF security and I don't think the highest levels have been broken). This has not seemed to have prevented publishers from using the .lit format, and it has probably increased sales of .lit books. I'm sure that all the existing e-book DRM schemes could be broken, but perhaps only by a huge effort that may not be forthcoming for a relatively small market segment. Note that most "breaks" of DRM are of the .lit kind, i.e. some defect in the total system rather than the actual encryption.
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You have a point, but what I was stating was that no matter how they try to secure something, it will be broken. That's the cool thing about software, once it's on your box you can do whatever you want to it to see how it works and how to make it bend to your will. I think the fundamental factor that pushes how quickly DRM is broken, or any security for that matter, is the number of people who are using it or are going to be affected by it; e.g., a cracker won't attack a little-known format if he/she cannot gain noteriety through the act, so hitting a more commonly used format equals quicker/greater fame.
LIT, PDB, PDF, RB, et al., have all been broken at some point. As to PDF's, why do you think Adobe keeps creating newer "updated" versions? To fix what security flaws that have been exploited, be it in DRM or software activation. It doesn't matter how the exploit is enacted, simply that it was enough to circumnavigate the security in the first place.