[IAEP] Help Request

Edward Cherlin echerlin at gmail.com
Tue Feb 8 23:49:18 EST 2011


Thanks for the correction.

On Tue, Feb 8, 2011 at 23:48, Chris Ball <cjb at laptop.org> wrote:
> Hi,
>
>   > We would be in a sorry state if thieves could get around our security
>   > by acquiring developer keys. No, these are two separate functions.
>
> No, they aren't -- Tabitha is correct.  Developer keys have overriden
> activation security since the first Bitfrost document:
>
> http://wiki.laptop.org/go/OLPC_Bitfrost
>
>   The anti-theft system cannot be bypassed as long as #P_SF_CORE is
>   enabled (and disabling it requires a developer key). This, in
>   effect, means that a child is free to do any modification to her
>   machine's userspace (by disabling #P_SF_RUN without a developer
>   key), but cannot change the running kernel without requesting the
>   key. The key-issuing process incorporates a 14-day delay to allow
>   for a slow theft report to percolate up through the system, and is
>   only issued if the machine is not reported stolen at the end of
>   that period of time.
>
> --
> Chris Ball   <cjb at laptop.org>
> One Laptop Per Child
>



-- 
Edward Mokurai (默雷/धर्ममेघशब्दगर्ज/دھرممیگھشبدگر ج) Cherlin
Silent Thunder is my name, and Children are my nation.
The Cosmos is my dwelling place, the Truth my destination.
http://www.earthtreasury.org/


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