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Collabora Productivity www.collaboraoffice.co Collabora Productivity Document Redaction with LibreOffice By Muhammet Kara Consultant Software Engineer at Collabora Productivity @muhamm3tkara

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Collabora Productivity www.collaboraoffice.co Muhammet Kara Work ● Working on the core & UI ● Since Dec 2018 ● Was @Pardus project before Community ● LibreOffice certified developer ● Long-time GNOME contributor ● Member of The Document Foundation & the GNOME Foundation

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Collabora Productivity www.collaboraoffice.co What is Redaction, aka Sanitization? “Redaction/Sanitization is the process of removing sensitive information from a document or other message, so that the document may be distributed to a broader audience.”

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Collabora Productivity www.collaboraoffice.co Why? Some of the reasons ● Unclassify the classified documents ● Privacy protection & data anonymization ● Prevent information leak in collaborative environments ● ...

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Collabora Productivity www.collaboraoffice.co Who? Some of the possible users ● Government & military ● Public institutions ● Anyone who wants to share info without disclosing personal/private information ● ...

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Collabora Productivity www.collaboraoffice.co Process ● Open a document in LibreOffice Writer/Calc ● When you are ready to redact, click the redact button/menu ● Redact the doc in LibreOffice Draw ● Export & share with the others

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Collabora Productivity www.collaboraoffice.co Technical Process ● Convert the document into a metafile ● Spawn a new Draw instance ● Insert the metafile into Draw ● Open the Redaction toolbar ● Flatten/pixelize document while exporting

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Collabora Productivity www.collaboraoffice.co Redaction Toolbar Rectangle Redaction Freeform Redaction Export as Pizelized PDF

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Collabora Productivity www.collaboraoffice.co How & where & by who? ● Adding new feature by improving LibreOffice’s facilities ● On LibreOffice core code repo (master) ● By Collabora Productivity team ● Not ready for prime-time… yet! ● More features are in being baked...

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Demo

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Collabora Productivity Thank you! By Muhammet Kara @muhamm3tkara [email protected] https://muhammetkara.com