Re: making encrypted $HOME as easy and convenient as possible

2011-09-14 Thread Wouter Verhelst
On Sun, Sep 11, 2011 at 02:23:37PM +0100, Jon Dowland wrote: > I think it would be wonderful to have such ease-of-use $HOME > encryption in Debian. Ubuntu's scheme uses ecryptfs. Before I begin > looking into how best I might help work towards this, I was wondering > if experienced people could w

Re: making encrypted $HOME as easy and convenient as possible

2011-09-13 Thread Josselin Mouette
Le mardi 13 septembre 2011 à 21:14 +0100, Jon Dowland a écrit : > For a single-user system, is it possible to pass through the decryption > password to later processes, to avoid needing to provide another password to > log in? I know you could set your display manager to auto-login, but that > do

Re: making encrypted $HOME as easy and convenient as possible

2011-09-13 Thread Jonas Meurer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hey list, Thanks to Jon for raising the topic on this list. It would be great to enhance the disk encryption support in Debian(-Installer). Am 13.09.2011 22:14, schrieb Jon Dowland: > On Sun, Sep 11, 2011 at 10:46:41PM +0200, intrigeri wrote: >> E.g.

Re: making encrypted $HOME as easy and convenient as possible

2011-09-13 Thread The Fungi
On Tue, Sep 13, 2011 at 09:14:39PM +0100, Jon Dowland wrote: [...] > Can we make full-disk encryption more convenient? [...] I'm not sure it could be any more convenient than it already is to configure, at least as far as D-I is concerned. It has a partitioning option or two which are guided with

Re: making encrypted $HOME as easy and convenient as possible

2011-09-13 Thread Jon Dowland
On Sun, Sep 11, 2011 at 10:46:41PM +0200, intrigeri wrote: > E.g. data may be written in cleartext swap, in hibernation images, > temporary data may be written at various places on disk that are not > in $HOME: cups spool, /var/tmp, etc. That's true. But there are varying levels of risk: a fully

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread The Fungi
On Mon, Sep 12, 2011 at 09:41:12AM +0200, Rolf Kutz wrote: [...] > An encrypted /home can still be backuped easily by administrators > without being able to see inside. An administrator (assuming by administrator you mean root or an account with access to root-level privs) can easily trojan the ne

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Luca Capello
Hi there! On Mon, 12 Sep 2011 13:05:38 +0200, Jonas Meurer wrote: > Am 12.09.2011 12:55, schrieb Luca Capello: [TRIM support for dm-crypt merged into Linux 3.1] >> Something I completely forgot in my first email, which is the real >> question: are my data as much secure with SSD TRIM as without? >

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Jonas Meurer
Hey list, Am 12.09.2011 12:55, schrieb Luca Capello: > On Mon, 12 Sep 2011 10:54:00 +0200, Philipp Kern wrote: >> On 2011-09-12, Luca Capello wrote: >>> On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: > n>>> also sprach intrigeri [2011.09.11.2246 > +0200]: > The d-i already suppo

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Luca Capello
Hi there! On Mon, 12 Sep 2011 10:54:00 +0200, Philipp Kern wrote: > On 2011-09-12, Luca Capello wrote: >> On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: n>>> also sprach intrigeri [2011.09.11.2246 +0200]: The d-i already supports easy *full* system encryption, swap include

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Philipp Kern
On 2011-09-12, Luca Capello wrote: > On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: >> also sprach intrigeri [2011.09.11.2246 >> +0200]: >>> The d-i already supports easy *full* system encryption, swap >>> included. >> I think this is what people should be using, not a high-level hac

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Luca Capello
Hi there! On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: > also sprach intrigeri [2011.09.11.2246 > +0200]: >> The d-i already supports easy *full* system encryption, swap >> included. > > I think this is what people should be using, not a high-level hack > like ecryptfs. +1, but if

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Rolf Kutz
On 12/09/11 10:12 +0200, martin f krafft wrote: [ecryptfs as /home] True. At the same time, it exposes quite a lot of information, e.g. structure of the tree. I don't know how much of that could be used in a plain-text attack. Ack. Note, however, that I don't really know ecryptfs. I only brie

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread martin f krafft
also sprach Rolf Kutz [2011.09.12.0941 +0200]: > There might be different use cases. An encrypted /home can still > be backuped easily by administrators without being able to see > inside. True. At the same time, it exposes quite a lot of information, e.g. structure of the tree. I don't know how

Re: making encrypted $HOME as easy and convenient as possible

2011-09-12 Thread Rolf Kutz
On 12/09/11 06:50 +0200, martin f krafft wrote: also sprach intrigeri [2011.09.11.2246 +0200]: The d-i already supports easy *full* system encryption, swap included. I think this is what people should be using, not a high-level hack like ecryptfs. There might be different use cases. An encr

Re: making encrypted $HOME as easy and convenient as possible

2011-09-11 Thread martin f krafft
also sprach intrigeri [2011.09.11.2246 +0200]: > The d-i already supports easy *full* system encryption, swap > included. I think this is what people should be using, not a high-level hack like ecryptfs. However, I suppose you can only set this up during installation, and converting a system lat

Re: making encrypted $HOME as easy and convenient as possible

2011-09-11 Thread intrigeri
Hi, Jon Dowland wrote (11 Sep 2011 13:23:37 GMT) : > I like encrypted $HOME and making the use of them as easy for people > as possible. So do I. However, before we go deep into implementation details, I need to ask what kind of usecase(s) and threat model(s) you have in mind and are trying to s

making encrypted $HOME as easy and convenient as possible

2011-09-11 Thread Jon Dowland
I like encrypted $HOME and making the use of them as easy for people as possible. On creation of the first user, Ubuntu's installer offers a checkbox labelled something like "Encrypt the user's files". That's it: just one check-box. If set, upon login, a PAM module unlocks and mounts a loopback d