Re: disk data protection

[Ben Goren <ben_(_at_)_trumpetpower_(_dot_)_com>]

On 2004 Nov 4, at 10:31 AM, Steve Shockley wrote:

> Dimitri Georganas wrote:
>> Is there a way to protect a disk with sensitive data in a way that it 
>> will only work and will only be readable if installed on i.e. System 
>> A? So if the disk is stolen and installed in a System B, it shouldn't 
>> boot and if mounted like mount /dev/wd1a /mnt/ the contents shouldn't 
>> be readable.
>
> man atactl

BZZZZZT! Wrong answer.

This is the classic case for data encryption, particularly the kind 
offered by vnd(4).

There're lots of reasons not to use vnd devices, but Mr. Geoganas 
describes a situation where those reasons are outweighed by his 
concerns.

Cheers,

b&

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