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Re: Fwd: prior art on Patent 7,743,336

From: Arthur Barstow <art.barstow@nokia.com>
Date: Tue, 13 Sep 2011 07:19:03 -0400
Message-ID: <4E6F3C27.6000609@nokia.com>
To: ext Doug Schepers <schepers@w3.org>
CC: public-widgets-pag@w3.org
Doug - what is the name and e-mail address of the person who sent you 
the e-mail below? -Thanks, Art Barstow

On 7/19/11 1:04 AM, ext Doug Schepers wrote:
> Forwarding on from original email sent to me offlist... if anyone 
> wants to follow up, I can contact the original poster.
> -------- Original Message --------
> Subject: prior art on Patent 7,743,336
> Date: Wed, 13 Jul 2011 09:38:15 +0200
> Hello Doug,
> unfortunately I currently do not have the time, to really go through the
> patents and the current PAG proposal in detail, but from a first look it
> looks very closely related to the SymbianOS (formerly EPOC32) Security
> Model. Those where introduced in SymbianOS v9.0 and definitely were used
> before the mentioned patents were submitted.
> Thus, they might potentially qualify as prior art. You can probably find
> extensive documentation on that on the forum.nokia.com webpage (since
> Symbian does not exist anymore).
> The only thing that I can see that is missing is the "hash-validation
> send over the internet" but that is quite common practice for
> guaranteeing the integrity of downloaded packages (PGP/GPG, Maven, ...).
> Internally Symbian is making use of the Hash validation for validating
> the integrity of applications installed on external media (SD-cards,
> Memory-stick, ...), since they could be manipulated outside the control
> of the OS.
> I have been working for Symbian and UIQ for many years, so have detailed
> knowledge of how the SymbianOS Security Model works. So if you have any
> questions about it, feel free to ask me.
Received on Tuesday, 13 September 2011 11:19:14 UTC

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