Quote:
Originally Posted by Jellby
In order to deDRM a file, you need the PID it was encoded with/for (if the file is valid for several PID, I guess any single one of the PIDs is enough, but I don't know).
Some mobi files are encoded with no PID (demo and free books), those can be deDRMed without a PID. But if the file was created for an unknown PID, you can't decode it, as far as I know (unless you use brute-force guessing).
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what's the chance of that !!!
Quote:
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if i get a eBook from somewhere else and i don't know the PID of this ebook, then it is not possible to deDRM it?
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As
Jellby points out, no - If you don't know the PID - then ..... (one of the reasons/drawbacks of DRM - even if you own the book !).
Is it possible to go back to the store you bought it from and download it again, with the new PID....