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

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

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 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 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

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 intrigeri+debian-de...@boum.org [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

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

2011-09-12 Thread martin f krafft
also sprach Rolf Kutz r...@vzsze.de [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

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

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 intrigeri+debian-de...@boum.org [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

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

2011-09-12 Thread Philipp Kern
On 2011-09-12, Luca Capello l...@pca.it wrote: On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: also sprach intrigeri intrigeri+debian-de...@boum.org [2011.09.11.2246 +0200]: The d-i already supports easy *full* system encryption, swap included. I think this is what people should

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 l...@pca.it wrote: On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: n also sprach intrigeri intrigeri+debian-de...@boum.org [2011.09.11.2246 +0200]: The d-i already supports easy *full*

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 l...@pca.it wrote: On Mon, 12 Sep 2011 06:50:29 +0200, martin f krafft wrote: n also sprach intrigeri intrigeri+debian-de...@boum.org [2011.09.11.2246

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? No,

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

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

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

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

2011-09-11 Thread martin f krafft
also sprach intrigeri intrigeri+debian-de...@boum.org [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