[Libreoffice-bugs] [Bug 124768] New: Exported PDF digital signature conformance with ETSI standard

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=124768

            Bug ID: 124768
           Summary: Exported PDF digital signature conformance with ETSI
                    standard
           Product: LibreOffice
           Version: 6.2.2.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: pastas4 at gmail.com

Description:
At the moment, documents signed when exporting a PDF from LibreOffice are
almost compliant with the ETSI specification, as reported by the conformance
checker, with a single error reported:

5. Error | Tool | Location-{CodeTest}:SubFilter-{CheckIfValueIsOneOfDefined} |
Found value: 'adbe.pkcs7.detached''. Allowed values: ETSI.CAdES.detached

So to be compliant with ETSI specs, it should use the ETSI tag rather than the
Adobe tag. (Adobe itself supports that as well, see:
https://www.adobe.com/devnet-docs/acrobatetk/tools/DigSigDC/standards.html )

Note that the test fully passes when the "sign existing PDF" option is used,
via Draw, as opposed to the Export to PDF option from Writer.

Steps to Reproduce:
1. Create a document in Writer.
2. Use the Export as PDF... option
3. Select the certificate in the Digital Signature tab
4. Upload the result to the ETSI conformance checker
(https://signatures-conformance-checker.etsi.org/ manual registration needed at
the moment).
5. Check report results.

Actual Results:
Failure with one error, about the algorithm to create the signature hash.

Expected Results:
Pass.


Reproducible: Always


User Profile Reset: No



Additional Info:

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