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1. I recall reading for the Momentus that all encryption/decryption
processing is done within the drive itself; hence, there is no off-loading
to the CPU (in fact, that's one of the selling points).

2. Every FDE solution I've read about encrypts sectors, not files. Hence,
even free space is encrypted.


- ----- Original Message ----- 
From: "Lance Spitzner" <[EMAIL PROTECTED]>
To: <fde@www.xml-dev.com>
Sent: Tuesday, June 03, 2008 11:43 AM
Subject: [FDE] Processing Question


> Two FDE questions.  This applies specifically to hard drive FDE, such
> as the Fujitsu MHZ2 CJ series or the Seagate Momentus 5400.2 FDE.
>
> 1.  Encryption Processing.  I know the keys are stored on the drives,
> but do the drives also have their own chips for the actual encrypting/
> decrypting, or do they use any of the laptops CPU for the actual
> processing?
>
> 2. Is each file encrypted to the hd as its own, unique seperate file,
> or is there some other process used?
>
> Thanks!
>
> lance
> _______________________________________________
> FDE mailing list
> FDE@www.xml-dev.com
> http://www.xml-dev.com/mailman/listinfo/fde

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