sign PDF document

Asked by Bernard on 2010-06-24

How do I sign a document which was created by Exporting an Open Office document as PDF? I see no "sign this document" option available in this version of PDF. My Windows version has options to "create signature box" "create digital signature" etc. BTW, Adobe does not offer a "full" version for use by Linux.

Maybe I could create a Text or Image box and keep it on file, then insert it into documents I need to approve?

Question information

Language:
English Edit question
Status:
Answered
For:
Ubuntu evince Edit question
Assignee:
No assignee Edit question
Last query:
2010-06-26
Last reply:
2010-12-22
Bernard (bernie-pennstar) said : #2

My question is not answered. I obtained a digital certificate from CA
Cert and successfully installed it. I can digitally sign OpenOffice
documents, but that is not what I want to do - I want to digitally sign
PDF documents, so that any user, using any operating system, can open
my .pdf document and see my approval. That's the whole premise behind
Portable Document Format! See my attachment; you can open it with any
PC and see that I have approved this Purchase Order.

On Thu, 2010-06-24 at 22:23 +0000, Sam wrote:
> Your question #115651 on evince in ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/evince/+question/115651
>
> Status: Open => Answered
>
> Sam proposed the following answer:
> > "create digital signature"
>
> http://wiki.services.openoffice.org/wiki/How_to_use_digital_Signatures
> http://www.linux.com/archive/feed/57554
>
> According .pdf, you could sign it with gpg/seahorse.
> https://help.ubuntu.com/community/GnuPrivacyGuardHowto
>

Neal McBurnett (nealmcb) said : #4

Samanta's URLs mention several solutions, from Adobe's acroread itself (but only for "reader enabled" files - sigh) to more flexible options like jsignpdf (which can work as an add-in to openoffice) and jpdftweak

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