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Signing documents electronically using LibreOffice on Linux

Signing documents electronically using LibreOffice on Linux


1. Signing on Linux requires a certificate manager like "kleopatra", "seahorse", "gpa" or "kgpg".

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2. Open LibreOffice (e.g. "Writer" for text document):

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3. Create a document (do not forget to save before going on with signing):

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4. Go to signing menu:

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5. Now the window where you can choose the certificate/keypair opens.

  • The windows in the background can be closed using <Esc>.

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6. The certificates are show for which valid information are stored in "kleopatra" (e.g. private key):

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7. Select the required certificate/keypair and add a short description if wanted/needed:

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8. And sign the document as final step:

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9. "Close" this last window at the end:

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10. The document shall now show a valid signature:

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11. Close the document.

  • Do not save the file again as the signature will be lost if doing so.

last changed on 10/16/2023

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