Password Protection for exisitng PDF

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Password Protection for exisitng PDF

Post by shinems » Thu Apr 16, 2015 11:10 am

Can we implement the password protection feature to already existing pdf which is not generated by PDF-XChange Drivers API SDK? If not, how can we do that?

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Re: Password Protection for exisitng PDF

Post by Tracker Supp-Stefan » Thu Apr 16, 2015 12:52 pm

Hello shinems,

Thanks for your question. Provided the original document is not security protected (or you know the owner passoword) - you should be able to change the permissions on any specification compliant PDF file using the PDF Tools SDK and methods like this one: ... issions256

You have posted in the end user PDF Tools section, but I presume you are after the SDK solution - as you are using the Drivers API already.


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