https://bugs.freedesktop.org/show_bug.cgi?id=78862
Priority: medium
Bug ID: 78862
Keywords: security
Assignee: [email protected]
Summary: Feature request: Cell protection with strong
encryption and other file security possibilities
Severity: enhancement
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: All
Status: UNCONFIRMED
Version: Inherited From OOo
Component: Spreadsheet
Product: LibreOffice
Some professional applications require secure cell protection or secure file
protection possibilities without encrypting the file as a whole. I do not know
any spreadsheet application, which offers secure cell protection with strong
encryption. The insecure cell protection offered by LibreOffice is in line with
standards of other leading spreadsheet applications if I understand the
situation correctly.
If spreadsheets with secure cell protection are required, commercially
available solutions can be purchased. These solutions provide protection of XLS
and XLSX files via add-ins for MS Excel. I do not know about similar
possibilities for ODS files and I do not know about similar possibilities
without using MS Excel. Other spreadsheet protection mechanisms like time
expiration or locking a file to a specific location are offered by specialised
providers for MS Excel as well.
I think that each of these three file security possibilities would be a
considerable gain for LibreOffice in certain professional spreadsheet
applications:
a) Secure cell protection with strong encryption
b) Time expiration of a spreadsheet
c) Locking a spreadsheet to a specific location
I assume that implementing any of these security features requires substantial
effort and expertise. Nevertheless such effort might be worth it, because
LibreOffice Calc would become the only spreadsheet application which includes
such security features without the use of commercial third-party add-ins.
Demand for such features exists as there are specialised providers.
This feature request suggests the introduction of cell and file secure
mechanisms without encrypting the spreadsheet completely. It is my intention
not to be specific, because I cannot judge, which implementation could be
practicable. My preferred security feature is: a) Secure cell protection with
strong encryption.
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