Hi Anand, On Mon, Feb 06, 2017 at 07:16:35PM +0800, Anand Jain wrote: > > > (s/e2crypt/e4crypt, sorry) > --- > > I am looking for some information on how its been planned to > accommodate the feature such as passphrase recycle without the > data re-encryption in fs/crypto or in e4crypt ? any idea ? > Per fs/crypto and e4crypt (for the current master key derivation > method) it appears to me that its not possible, unless I am > missing something. ? > > Thanks, Anand Indeed, this needs to be implemented by userspace, but e4crypt doesn't support it yet. I've Cc'ed Joe Richey; he's currently working on a userspace program called 'fscrypt' that will support this feature. There's also a design document at https://goo.gl/55cCrI you could take a look at. Eric
