Proposed Modification for AACS Bus Encryption
atsushi.ishihara at toshiba.co.jp
Mon Jun 25 06:45:52 PDT 2007
* From the T10 Reflector (t10 at t10.org), posted by:
* atsushi.ishihara at toshiba.co.jp (Atsushi Ishihara)
The proposal is now also available at:
Atsushi Ishihara, Toshiba
>Date: 2007/06/25 (Mon) 15:39:48
>From: atsushi.ishihara at toshiba.co.jp (Atsushi Ishihara)
>To: mtfuji5 at avc-pioneer.com
>Cc: T10 at t10.org
>Subject: Proposed Modification for AACS Bus Encryption
>As you may have already known, the AACS group has modified its Bus
>Encryption specification in response to inputs from the DVD Forum that
>the Media Seed could be erased by legacy drive and could be set to other
>value by new drive and therefore could not be persistent. The modified
>Bus Encryption specification no longer uses the Media Seed and instead
>uses two Data Keys (Write Data Key and Read Data Key). The modofication
>of AACS Bus Encryption specification requires related changes in the Mt.
>Fuji7 specification draft.
>The attached zip file contains proposed modification of Mt. Fuji7
>specification draft. This is an official proposal from the AACS group.
>I would like to review it and have a voting for adopting the proposal at
>the next Mt. Fuji meeting in Colorado Springs.
>I will also upload the proposal to the Mt. Fuji FTP site.
>Atsushi Ishihara, Toshiba
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