[time-nuts] are any time-nuts also random-nuts?
Poul-Henning Kamp
phk at phk.freebsd.dk
Wed Dec 23 17:38:38 UTC 2009
In message <82FEC3B10CF94496AFE52269282D7F34 at bryant1>, "Keith Payea" writes:
>Hello All:
>
>There are several electrical noise based random number generators, but most
>were concieved in a time when there was a lot less EM pollution of the
>airwaves.
Actually, that has always been a concern.
As far as I know, the first RNG to be connected to a computer was this
one:
http://phk.freebsd.dk/misc/DASK_rng.pdf
And they specifically had to use a Lead-Acid battery as filament
supply for the noise diode to avoid EMC issues.
Poul-Henning
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
More information about the time-nuts
mailing list