Re: Filling a device with random data

[Arno Wagner <arno@wagner.name>]

I should add that I though about removing it, but 
this approach may still have a use on very small 
Linux devices. Meube I should add a comment to that
effect.

Arno

On Tue, Feb 14, 2023 at 23:17:11 CET, Arno Wagner wrote:
> As I said, it is old. Old like some not having 
> hardware support and /dev/urandom being dog-slow.
> 
> Toaday, it is not really a problem doing this fast.
> 
> Regards,
> Arno
> 
> 
> 
> On Thu, Feb 09, 2023 at 20:03:52 CET, Eric Biggers wrote:
> > While this is a creative use of dm-crypt, a cleaner way to generate very
> > high throughput cryptographically secure random data (specifically, even
> > higher throughput than /dev/urandom which is usually good enough) is to
> > just generate it in userspace.  For example, the command 'openssl rand
> > $LENGTH' does this.
> > 
> > - Eric
> 
> -- 
> Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@wagner.name
> GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
> ----
> A good decision is based on knowledge and not on numbers. -- Plato
> 
> If it's in the news, don't worry about it.  The very definition of 
> "news" is "something that hardly ever happens." -- Bruce Schneier

-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -- Plato

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier