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Javier Arambarri Calvo
Asked: 2024-09-03 21:43:47 +0800 CST

How to verify signatures in pdf in ubuntu?

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I would like to see signatures of a pdf file in Ubuntu. With Adobe in Windows is easy, but cannot find that option in Ubuntu. I am using evince.

pdf

1 Answers

  1. Best Answer

    You can use Okular for that.

    Install it with the command

    sudo apt install okular

    Now set Okular to be the default PDF viewer.

    When you open a PDF with Okular, it will tell you that "This document is digitally signed".

    image

    Click on "Show Signatures Panel", and you can find the list of signatures.

    image2

    Source:

    1. https://docs.kde.org/stable5/en/okular/okular//signatures.html
    2. https://superuser.com/questions/1342994/how-to-verify-a-digital-signature-on-a-pdf-on-linux

    Image source: https://docs.kde.org/stable5/en/okular/okular//signatures.html

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