I'm with Siegfried when it comes to add an extra encryption layer on top of the db, basically I fail to understand why putting the db in an encrypted filesystem is not good enough.
But what I find interesting is the idea of limiting the ability to access the activity log to system-wide installed clients. And fortunately this is not hard to implement, as we already get the bus_name of the sender as 'sender' argument to all our public methods, and dbus has the GetConnectionUnixProcessID() which returns the process id of the client. All we now have to do is parsing the cmdline entry in proc (let's ignore possible attack vectors for now) -- You received this bug notification because you are a member of Zeitgeist Framework Team, which is subscribed to Zeitgeist Framework. https://bugs.launchpad.net/bugs/787868 Title: Encryption of database Status in Zeitgeist Framework: New Bug description: I think that Zeitgeist should encrypt databases in ~/.local/share/zeitgeist/* for anti-forensics reasons. While someone may happen to use an encrypted disk, Zeitgeist may serve as the ultimate accidental spyware to an unsuspecting user. One possible mitigation is to randomly generate a reasonable key, tie it into the login keychain and then use that key with something like http://sqlcipher.net/ rather than straight sqlite. In theory, a user will never know that this encryption/decryption is happening - no underlying assumptions about the disk need to be made to maintain any security guarantees. This should prevent anyone from learning the contents of the database without also learning the login password. Modern Ubuntu machines disallow non-root ptracing ( https://wiki.ubuntu.com/SecurityTeam/Roadmap/KernelHardening#ptrace ) and if the gnome keyring is locked, an attacker would have a much harder time grabbing meaningful Zeitgeist data without interacting with the user or bruteforcing the login keychain. _______________________________________________ Mailing list: https://launchpad.net/~zeitgeist Post to : zeitgeist@lists.launchpad.net Unsubscribe : https://launchpad.net/~zeitgeist More help : https://help.launchpad.net/ListHelp
