> > However, it'll just give you false sense of security. First of all, its
> > hardware dependent. Second, it won't get wipe in case of a crash (which
> > is likely to happen when They come to take your disk).
>
> It is also not a valid wipe either.
>
> This particular object reuse assumes the hardware is in a secured area. If it
> is in a secured area then you don't need to wipe it. It remains completely
> under the systems control (even during a crash and reboot). The interval
> between crash and reboot is covered by the requirement to be in a secured
> area.
...until the admin walks in, shuts down the system, puts it on a cart
and hauls it out the door. Is he going to wipe the swap area before he
does that? Sure, you can write a procedure that says that's what he does
but he will not follow it (been there done that.)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/