Software-based FDE products install a "filter driver" and transparently 
encrypt/decrypt 
disk sectors on-demand.

G



----- Original Message ----- 
From: "Fran Baena" <franba...@gmail.com>
To: <FDE@www.xml-dev.com>
Sent: Thursday, April 02, 2009 5:42 AM
Subject: [FDE] how FDE is implemented at system layer


> Hi everyone,
>
> i'm a newbie in FDE and i'm interested in how all this protecting
> methods are implemented in OS level. I mean, the cryptographic
> mechanism is more or less clear, but how does it interact with the
> file system layer? Does the OS vendor provide an API to manage all the
> I/O operations that implies disk encryption/decryption?
>
> Thanks for your help
>
> Fran
> _______________________________________________
> FDE mailing list
> FDE@www.xml-dev.com
> http://www.xml-dev.com/mailman/listinfo/fde
> 

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