"Secure Blue" from IBM

[Victor Duchovni]

On Thu, Apr 13, 2006 at 11:06:38AM -0400, Perry E. Metzger wrote:

>   With Secure Blue, data is encrypted and decrypted as it runs through a
>   processor, according to IBM. It is maintained encrypted in the device
>   memory, or RAM. One of the few times data would not be scrambled is
>   when it is actually displayed. 
> 
> http://news.com.com/2100-7355_3-6059276.html

"Easy enough" for ephemeral data (RAM, network, ...), but what do they
propose for stored data? Is this an architecture for general-purpose
computers, or for special-purpose media devices? Is more detail available?

As soon as data is stored, new key management issues come to the surface.
I for one would not want to lose my hard-drive if the CPU is fried...

-- 

 /"\ ASCII RIBBON                  NOTICE: If received in error,
 \ / CAMPAIGN     Victor Duchovni  please destroy and notify
  X AGAINST       IT Security,     sender. Sender does not waive
 / \ HTML MAIL    Morgan Stanley   confidentiality or privilege,
                                   and use is prohibited.

---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo at metzdowd.com