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Add file-encryption option

Open privacy-wolf opened this issue 8 years ago • 3 comments

I think it would be really great to have a password-based file encryption method.

Idea is to long-press a file and select 'encrypt file' (maybe with the option 'in-place' or 'create a copy'). That file could then be shared securely. Important would be to use some kind of encryption method that is also available on other platforms, i.e. it should (in principle) be possible on Mac, Windows, Linux and of course Android to decrypt the file again.

privacy-wolf avatar Oct 31 '17 10:10 privacy-wolf

hello there! is there any progress or work planned in that area, perhaps? how it would work with Simple-Gallery? that feature would be very useful, thank you for your work so far!

filipmnowak avatar May 01 '23 19:05 filipmnowak

That would be a great function to have.

LightEater avatar May 01 '23 19:05 LightEater

@tibbi another solution would be to support something like Anemo, which is a private local storage utility application for Android. Instead of being a stand-alone file manager user interface, it hooks into various components of Android making it feel like a native part of the operative system.

GrapheneOS file explorer supports it and it looks like this:

Screenshot_20230815-182437

As far as I know it takes advantage of native Android features to store the files in a secure location by encrypting them with a key protected by your "lockscreen" password / code / pattern.

The Android feature that allows this is called File-Based encryption.

baermathias avatar Aug 16 '23 18:08 baermathias