Booting and login - why are users not logged in automatically?

[Derek Broughton]

Phillip Susi wrote:

> On 3/24/2010 10:13 AM, Alan Pope wrote:
>> That still wont guarantee access to user files. If you use ecryptfs
>> (the default encryption system for /home on Ubuntu live CDs) then even
>> having physical access won't give you immediate access to files in the
>> user home directory.
> 
> I didn't think auto logon was an option if you were using encryption...
> at least it's a very bad idea since it defeats the purpose of encryption
> in the first place.  Most people don't use that though, so...

I'm having some trouble imagining how auto-login would even work with 
encrypted filesystems - auto-decryption, too?
-- 
derek