Unlocking PDFs

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Unlocking PDFs

Post by brian2_c on Wed Sep 14, 2011 4:32 pm
([msg=61547]see Unlocking PDFs[/msg])

So I'm in college, and all of our books are in secure PDF format. I need to type in my username and password, and the file is unlocked so that I can read it. This is fine if all I ever want to use is Adobe Reader (which I hate).

So I went on a search for a tool that would unlock my PDFs. I found many, many tools, all of which wanted my money. So, considering how many tools that are out there, programming one of these tools can't be all that hard, right?

So basically what I'm asking is if anyone knows of a method, a library to download so that I can write a program, given a username and password, that will output an unencrypted PDF? I have experience in C++ and Java mostly, so either of those languages would be fine. Anyone know of any resources like this?
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Re: Unlocking PDFs

Post by tgoe on Mon Oct 03, 2011 11:44 pm
([msg=62038]see Re: Unlocking PDFs[/msg])

* Modify xpdf
* Calibre
* ???
* Profit!
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