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The passphrase for my external HD (which I randomly generated and foolishly never wrote down) was stored in my Fedora 21 keychain (~/.local/share/keyrings/login.keyring). I used to be able to see it under the "Login" section of the "Passwords and Keys" app.
However, starting yesterday, my computer was asking me for the passphrase whenever I plugged the drive in. I went to "Passwords and Keys", and discovered that the passphrase was no longer there. The login.keyring file shows that it was last modified 2 days ago, but I haven't used the computer for anything but web browsing for the last week or so, so I don't know how this modification could have occurred.
- Is it possible that it is still in the file, but is just not being read by the system for some reason?
- If it is not in the file, is there any way to retrieve it by forensically reading the bytes around the file, a filesystem journal, or any other means?
cryptochronoconolite
Posted 2015-05-07T00:42:00.260
Reputation: 11
to part 1: not likely its more likely that a background update of a package made that method no longer available (not to mention it is Very bad practice anyways) to part 2: if you made a worthy pass you best bet is a older backup as it won't be a trivial task in time or effort if even possible at this point. – linuxdev2013 – 2015-05-10T03:02:46.383