Re: Truly Random Numbers On A Quantum Computer??

Message-ID	<67e882b4@news.ausics.net> (permalink)
From	not@telling.you.invalid (Computer Nerd Kev)
Subject	Re: Truly Random Numbers On A Quantum Computer??
Newsgroups	comp.misc
References	<vs73jc$3jepm$1@dont-email.me> <vs7a9c$3pg3k$1@dont-email.me> <86h63cys29.fsf@example.com> <wwv7c47dgh5.fsf@LkoBDZeT.terraraq.uk>
Date	2025-03-30 09:31 +1000
Organization	Ausics - https://newsgroups.ausics.net

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Richard Kettlewell <invalid@invalid.invalid> wrote:
> From the original article:
> 
>    As deterministic systems, classical computers cannot create true
>    randomness on demand. As a result, to offer true randomness in
>    classical computing, we often resort to specialized hardware that
>    harvests entropy from unpredictable physical sources, for instance,
>    by looking at mouse movements, observing fluctuations in
>    temperature, monitoring the movement of lava lamps or, in extreme
>    cases, detecting cosmic radiation. These measures are unwieldy,
>    difficult to scale and lack rigorous guarantees, limiting our
>    ability to verify whether their outputs are truly random.
> 
> Physical sources can be found in pretty much every commodity CPU for the
> last decade . So not that "difficult to scale" apparently.

Simple circuits using the (ancient) 2N3904 transistor abound on the
internet, and pre-date it as well.

Here's a newer circuit design specifically for battery-powered
cryptographic use and with lots of analysis and comparison with
another circuit:
https://betrusted.io/avalanche-noise

None of it requires cutting-edge technology. The main issue in the
past has simply been that it wasn't part of the original PC
architecture, so things like "looking at mouse movements" needed to
be done at first until it was added to modern hardware.

-- 
__          __
#_ < |\| |< _#

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Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-28 21:16 +0000
  Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-28 23:10 +0000
    Re: Truly Random Numbers On A Quantum Computer?? Richmond <dnomhcir@gmx.com> - 2025-03-29 11:50 +0000
      Re: Truly Random Numbers On A Quantum Computer?? Richard Kettlewell <invalid@invalid.invalid> - 2025-03-29 15:05 +0000
        Re: Truly Random Numbers On A Quantum Computer?? kludge@panix.com (Scott Dorsey) - 2025-03-29 12:58 -0400
        Re: Truly Random Numbers On A Quantum Computer?? Mike Spencer <mds@bogus.nodomain.nowhere> - 2025-03-29 18:38 -0300
          Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-29 22:08 +0000
            Re: Truly Random Numbers On A Quantum Computer?? Mike Spencer <mds@bogus.nodomain.nowhere> - 2025-03-30 04:37 -0300
        Re: Truly Random Numbers On A Quantum Computer?? not@telling.you.invalid (Computer Nerd Kev) - 2025-03-30 09:31 +1000
          Re: Truly Random Numbers On A Quantum Computer?? Richard Kettlewell <invalid@invalid.invalid> - 2025-03-30 11:14 +0100
            Re: Truly Random Numbers On A Quantum Computer?? Richard Kettlewell <invalid@invalid.invalid> - 2025-03-30 11:28 +0100
              Re: Truly Random Numbers On A Quantum Computer?? kludge@panix.com (Scott Dorsey) - 2025-03-30 09:11 -0400
                Re: Truly Random Numbers On A Quantum Computer?? Toaster <toaster@dne3.net> - 2025-04-04 20:16 -0400
                Re: Truly Random Numbers On A Quantum Computer?? kludge@panix.com (Scott Dorsey) - 2025-04-04 20:56 -0400
                Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-05 02:13 +0000
                Re: Truly Random Numbers On A Quantum Computer?? Richard Kettlewell <invalid@invalid.invalid> - 2025-04-05 09:08 +0100
          Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-30 21:18 +0000
            Re: Truly Random Numbers On A Quantum Computer?? not@telling.you.invalid (Computer Nerd Kev) - 2025-03-31 08:15 +1000
              Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-31 01:30 +0000
      Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-29 22:09 +0000
        Re: Truly Random Numbers On A Quantum Computer?? Richmond <dnomhcir@gmx.com> - 2025-03-29 22:39 +0000
          Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-31 01:29 +0000
    Re: Truly Random Numbers On A Quantum Computer?? Ethan Carter <ec1828@gmail.com> - 2025-03-29 20:25 -0300
      Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-30 04:58 +0000
        Re: Truly Random Numbers On A Quantum Computer?? Ethan Carter <ec1828@gmail.com> - 2025-03-30 11:19 -0300
          Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-31 01:32 +0000
            Re: Truly Random Numbers On A Quantum Computer?? Ethan Carter <ec1828@somewhere.edu> - 2025-04-01 10:25 -0300
              Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-04 19:05 +0000
          Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-31 01:34 +0000
            Re: Truly Random Numbers On A Quantum Computer?? Ethan Carter <ec1828@somewhere.edu> - 2025-04-01 10:31 -0300
              Re: Truly Random Numbers On A Quantum Computer?? Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-04 19:05 +0000

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