Shared screen locking solution for live distributions in Debian

info - kali info at kali.org
Tue Jan 13 06:31:54 EST 2015


Hi there,

Thanks for the reminder.
In general, we don't have much interest in this, as Kali is not mainly 
used in live environment - except for edge cases of forensics tasks.

Sincerely,

Mati

On 12 Jan 2015, at 5:00, sajolida wrote:

> sajolida:
>> Hi,
>
> Gentle ping regarding what follows as we haven't heard back from your
> distribution. Does this seems like an interesting solution for you?
> Would you install such a package if it was available in Debian? Would
> you put effort in developing or maintaining it?
>
>> I'm part of the people working on Tails, a live distribution that 
>> aims
>> at preserving privacy and anonymity: https://tails.boum.org/. Tails 
>> is
>> currently lacking a screen locker and this has been a frequent 
>> feature
>> request. See https://labs.riseup.net/code/issues/5684.
>>
>> For example, as Tails is been adopted more and more by journalists,
>> they want to be able to leave their computer unattended in their
>> office to go to the toilets for a minute and have their screen 
>> locked.
>>
>> I'm writing this emails to various Live distributions based on Debian
>> (Knoppix, Grml, Jondo, Kali, Debian Live, and Tanglu). I'm also
>> putting Micah Lee in copy as he has shown particular interest in this
>> feature.
>>
>> I've been investigating the screen locking mechanism of those various
>> Debian based live distributions, and I found out that none of them 
>> had
>> a real mechanism to do so. They either:
>>
>> - Do not provide any screen locking mechanism (Knoppix, Grml,
>>   Jondo Live).
>> - Either rely on their default password to unlock the screen (Kali,
>>   Tanglu, Debian Live).
>>
>> The purpose of this email is to know whether you would be interested
>> in working on a common Debian package to provide a generic screen
>> locking solution for Debian based live distributions.
>>
>> The core usability issue that we are facing here is the one of the
>> unlocking password. As we are live distributions, there either is no
>> password or a default one. Still, screen locking only make sense if
>> the user is able to use a custom password. As an interesting 
>> exception,
>> note that in Jondo Live, the user is prompted for a user password on
>> boot. In Tails the user can set up an administration password but 
>> this
>> is disabled by default for security reasons so we cannot rely on this
>> for screen locking.
>>
>> During our last monthly meeting we came up with the idea of asking 
>> for
>> a custom password *in the process of locking the screen* for the 
>> first
>> time. For example, in GNOME, when doing Meta+L for the first time, 
>> the
>> user would be prompted to enter a screen locking password, then only
>> the screen would get locked. If she locks the screen again, the same
>> password would be reused.
>>
>> What do you think? Please answer to tails-dev at boum.org and feel free 
>> to
>> subscribe to the list to follow the thread:
>>
>> https://mailman.boum.org/listinfo/tails-dev/
>
> -- 
> sajolida


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