Best directory encryption that passed an audit?
Best directory encryption that passed an audit?
I know of CryFS and encFS which both failed an Audit.
I know LUKS and veracrypt which work but are both tedious and not useful for my use case.
I want to encrypt folders on Linux and then sync them with a cloud or just store them locally.
There is goCryptFS which is in Go, i.e. memorysafe which is good. It also failed the audit when it comes to cloud sync.
The issue: if an attacker has access to the encrypted files over time, if you always upload changes, they can crack you.
This would not be relevant for local file stores, but for synced ones it is.
There I used Cryptomator, which has many downsides though
- the app is GUI only, the CLI variant is last released 2021, which I dont consider maintained when it comes to security? Or is it?
- the GUI App is in electron, no Wayland support
- the app devs dont care about flatpak rules and store secrets outside the app container, meaning the app is unconfined by default, you need to manually add an override and it is still pretty insecure in the case that all untrusted apps are flatpaks
KDE KVaults only supports insecure algorithms, goCryptFS would be the most secure for local only stuff, but that was abandoned as a Fedora package and is only available from COPR, currently. (I should learn RPM packaging once again).
Cryptomator seems to be the only one 1. Suitable for cloud sync (not encrypting everything always again) 2. That passed an audit.
The CLI may be fine if it just interacts with the GUI app? I wonder how that would work with the Flatpak.
Do you know any alternatives?
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Borg backup is the way to go for this.
Its designed to have encrypted repos that are send to any destination remote or local.
I second Borg. It's fantastic.
Does that work with Nextcloud too? So send the encrypted stuff to Nextcloud or copy to another dir at least?
You use it to take the NextCloud files (set the NextCloud directory as a source) and Then you sent the files to a backup repository (destination).
You don't send the backup files to a NextCloud install. That's not the correct way to use the tool.
I self host a Borg repository in docker so the backup gets sent locally and then I also use borgbase as offsite backup.
You can have as many sources and destinations as you want
I am not sure I understood. I have a Nextcloud client and sync to a server I dont trust. Or that I dont want to encrypt with LUKS.
And I want to open decrypted tiles, use them and save them encrypted to a directory that I sync with Nextcloud.