[Libreoffice-bugs] [Bug 38370] [FILEOPEN] LibreOffice Impress do not allow open password-protected PowerPoint presentations in "read-only" mode

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=38370

--- Comment #58 from Sebastian <winyl at mp.pl> ---
I had LO open those password protected from edition pps files with Impress
around mid march 2017 to the end of may 2017. It was exactly when this feature
appeared in release notes for LO 5.3 around march/april/may 2017:
"The contemporary Microsoft Office default Binary Document encryption "RC4
CryptoAPI Encryption" is now supported (Caolán McNamara, Red Hat, Inc.)"

I did not memorize the exact version, 'cause I was not expecting the feature
will get broken.
Some version from that time was opening those pps file without problem in
read-only mode. I was testing versions from 5.3.1.2 to 5.3.5.2 from download
archive but none will open pps, just display mentioned error window. But than
not all versions of LO are in download archive. All I can remember I was able
to open those pps files with LO 5.3.3 or 5.3.4 and then the feature got broken
with 5.3.5 or 5.3.6 because LO started to display error window about not
supporting password protected Powerpoint documents. Maybe Caolán McNamara can
check the code for errors?

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