[kmail2] [Bug 453342] New: KMail bad signature when using S/MIME

David bugzilla_noreply at kde.org
Tue May 3 15:15:22 BST 2022


https://bugs.kde.org/show_bug.cgi?id=453342

            Bug ID: 453342
           Summary: KMail bad signature when using S/MIME
           Product: kmail2
           Version: 5.19.2
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: crypto
          Assignee: kdepim-bugs at kde.org
          Reporter: kitt997 at gmail.com
  Target Milestone: ---

SUMMARY
When sending a signed email in the S/MIME format, the email is marked to have
"invalid signature" when read. 
If instead S/MIME opaque is selected, the signature is recognized valid by the
sender account, invisible by others.


STEPS TO REPRODUCE
1. Select S/MIME signing mode from settings
2. Set an X.509 certificate for signing
3. Send signed email

OBSERVED RESULT
When sending a signed email in the S/MIME format, the email is marked to have
"invalid signature" when read. 
If instead S/MIME opaque is selected, the signature is recognized valid by the
sender account, invisible by others.

EXPECTED RESULT
Of course signature should always be visible no matter the recipient, and valid
no matter the signing format.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 35
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.91.0
Qt Version: 5.15.2
Kernel Version: 5.16.5-200.fc35.x86_64 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz
Memory: 15.5 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620

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