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How to digitally sign and password protect a pdf

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Bigun View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bigun Quote  Post ReplyReply Direct Link To This Post Topic: How to digitally sign and password protect a pdf
    Posted: 30 Jul 19 at 9:27AM
Hi all,
I've already posted a similar question in the forum.

I'd like to know if, with QuickPdf v11.13 or newer, is it possible to:
- Load a PDF
- Password protect it (permissions password)
- Digitally sign it and save in a new document.

So, the output PDF should be digitally signed and password protected to avoid modifications.

If it is possible, any guide or hint would be much welcome.

Thank you very much.

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Ingo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ingo Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 19 at 9:50AM
not in one process!
You can set a password in the first process and reload the file in a further process to sign it.
Passwords can be set directly into a pdf and within the sign process.

This will give you an idea:
https://www.debenu.com/docs/pdf_library_reference/SignFile.php
This will give you a sample:
https://www.debenu.com/kb/add-visual-digital-signature-to-a-pdf-programmatically/

Cheers,
Ingo

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Bigun View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bigun Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 19 at 10:18AM
Presently it can be done with QuickPdf's latest release, version 16.13.
Thank you for your help.
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