1.7 GBit/s RNG by laser feedback
Eugen Leitl
eugen at leitl.org
Tue Nov 25 09:12:32 PST 2008
On Tue, Nov 25, 2008 at 11:26:22AM -0500, Europus wrote:
> Eugen Leitl wrote:
> >On Mon, Nov 24, 2008 at 09:26:57AM -0800, Sarad AV wrote:
> >>Is that a better way to generate pseudo random numbers?
> >
> >No, it's a RNG, not PRNG. 1.7 GBit/s is not a huge improvement
> >over RNGs in VIA C7, IIRC.
>
> On another board, this is being called a PRNG. One point that
No, because this is brownian noise, straight from the quantum floor.
PRNGs are deterministic discrete systems. Of course you can
whiten a RNG with, say a block cipher like AES.
> is raised, if it was truly an RNG then it wouldn't be necessary
> to mix the outputs from two laser assemblies.
No idea about that. Analog whitening, possibly?
More information about the cypherpunks-legacy
mailing list