Hi,
3) Export the document to pdf (PDF /A ?)
3.1 Sign the pdf in Pades mode?
is corretc?
Have you tried to verify sign with another app? (as Dike, File
Protector, Adobe Reader)
Il 19/05/2022 21:44, Norbert Berzen ha scritto:
Hello Natale,
first of all, thank you very much for your quick reply. Perhaps I did
not explain the problem well enough. I did not modify a digitally
signed pdf.
In short, the problem is any writer document containing at least one
text box cannot be properly exported to pdf with a digital signature.
The easiest way to reproduce (with the mentioned Version/Build on
debian 10) is as follows.
1) Open libreoffice writer
2) Insert a text box into the blank sheet containing the text "This is
a text box"
3) Export the document to pdf with digital signature
4) Open the pdf with libreoffice draw
=> Look at libreoffice draw's notice about the signature
Greetings,
--
Norbert Berzen <norb...@berzen.eu>
-----Original Message-----
*From*: Natale Tarantino <tarantinonat...@gmail.com
<mailto:natale%20tarantino%20%3ctarantinonat...@gmail.com%3e>>
*To*: norb...@berzen.eu
*Cc*: users@global.libreoffice.org
*Subject*: Re: [libreoffice-users] Problems when digitally signing PDF
exports of *.odt documents containing text boxes
*Date*: Thu, 19 May 2022 18:39:56 +0200
If you modify a digitally signed pdf this is the correct behavior.
Il Gio 19 Mag 2022, 17:56 Norbert Berzen <norb...@berzen.eu> ha scritto:
Hallo together,
I'm using LibreOffice Version: 7.2.7.2
Build: 8d71d29d553c0f7dcbfa38fbfda25ee34cce99a2
on Debian 10 (Buster).
Before filing an official bug report I would like to know if some of
you does experience a similar problem.
My problem is as follows:
When exporting some simple *.odt document from writer to PDF via
"File->Export As->Export as PDF...", the Dialog "PDF Options" pops up.
In "Digital Signatures" tab I can digitally sign the PDF with my X.509
certificate. All is fine so far. The PDF gets properly digitally signed
and I can check this by opening the PDF with "Libre Office Draw".
But when a text box gets added to the document I can export to PDF as
well. Opening the PDF by "Libre Office Draw" now gives the
followingmessage: "At least one signature has problems: the document
is only partially signed."
Does any of you experience similar problems when exporting documents
containing text boxes or can someone proove my problem?
Many thanks in advance
--
Norbert Berzen <norb...@berzen.eu>
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