[Libreoffice-bugs] [Bug 97086] Encryption as XLSX truncates password to 15 characters

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=97086

Yousuf Philips (jay)  changed:

   What|Removed |Added

 Blocks||108914


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=108914
[Bug 108914] [META] Password protected file bugs and enhancements
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[Libreoffice-bugs] [Bug 97086] Encryption as XLSX truncates password to 15 characters

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=97086

Aron Budea  changed:

   What|Removed |Added

   Keywords||filter:xlsx
 Whiteboard||interoperability

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[Libreoffice-bugs] [Bug 97086] Encryption as XLSX truncates password to 15 characters

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=97086

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[Libreoffice-bugs] [Bug 97086] Encryption as XLSX truncates password to 15 characters

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=97086

--- Comment #4 from Katarina Behrens (CIB)  ---
No regression, it's been like this since the beginning of time. 

There's indeed 15 char length limit on passwords in LO, restricted to MSO
formats. I can't quite see why as it's impossible to search commit history so
far back into the past. 

Likely because of this:
https://msdn.microsoft.com/en-us/library/dd772916%28v=office.12%29.aspx It
looks like such limit used to exist in binary MSO formats (.doc, .xls)

Couldn't find any info on password limits in OOXML standard, just that this 15
char limit exists in MS Excel on Mac platform:
https://support.office.com/en-us/article/Require-a-password-to-open-or-modify-a-workbook-10579f0e-b2d9-4c05-b9f8-4109a6bce643
probably independent of file format.

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[Libreoffice-bugs] [Bug 97086] Encryption as XLSX truncates password to 15 characters

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=97086

Julien Nabet  changed:

   What|Removed |Added

 CC||serval2...@yahoo.fr
   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=65
   ||492

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[Libreoffice-bugs] [Bug 97086] Encryption as XLSX truncates password to 15 characters

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=97086

Joel Madero  changed:

   What|Removed |Added

 CC||jmadero@gmail.com
Summary|Encrypting xlsx file with   |Encryption as XLSX
   |password|truncates password to 15
   ||characters
   Severity|critical|major

--- Comment #3 from Joel Madero  ---
This should be checked to find out if it's a regression. Also, sorry for the
noise but I'm lowering to Major.

Reason: Critical really should be kept for the worst bugs that affect the
project. Worst means, serious data loss/crashes for a *significant portion of
our user base.*" Although this might lock out data - this would be in
incredibly rare caseswhen? Well: (1) when a user password protects which is
already in a very small minority of our user base; and then (2) when that
password is >15 characters long; and finally (3) when the user isn't aware of
this limitation. A relatively fast search of the bugs will come up with this
hitif it's not a regression, proof of how rare it is comes with the fact
that it has never been reported before :)

By default critical and major bugs go to "high" but I'm leaving as "medium" due
to the above rationale - the very small number of potentially affected users
means lower priority in an objective standard.

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