Er ignore me, at least my second comments about replying to stephanie. I didn't 
realize I wasn't subscribed.

On Jan 17, 2014, at 10:01 AM, Paul Theriault wrote:

> Device locking is managed in Gaia system app currently, not in gecko. So I 
> believe we either need a hashing support of some kind exposed to content, or 
> we need to an API which control devices locking.
> 
> Maybe dev-b2g is a better place for that discussion, but can anyone answer 
> Stephanie's original questions? Anyone working on this? Any considerations if 
> we just start working on this?
> 
> On Jan 16, 2014, at 12:32 AM, Kai Engert wrote:
> 
>> On Di, 2013-12-17 at 16:02 +0100, Stéphanie Ouillon wrote: 
>>> I'm in the Firefox OS Security team and I'm starting working on adding
>>> support for stronger passwords in the Firefox OS lockscreen (bug 877541)
>>> [1].
>>> At the moment, only a 4-digit password can be configured and we want to
>>> improve that for FxOS 1.4 (March 2014).
>>> 
>>> Some time ago, David Dahl provided on a patch for having hashing
>>> functions in Gecko: it's a JSM living next to the SettingsManager for
>>> FxOS [2]. Supported algorithms are sha256, sha384 and sha512.
>> 
>> It's not clear why you need something new.
>> 
>> I'd assume your device locking code is privileged code.
>> Can't you use nsICryptoHash?
>> 
>> Kai
>> 
>> 
> 

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