From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: Lew Pitcher Newsgroups: comp.lang.c,comp.lang.ada,comp.programming,comp.databases.xbase.fox,comp.lang.clipper Subject: Re: Simulating the rolling of dices to produce truly random numbers? Followup-To: comp.lang.c Date: Wed, 10 Jan 2018 13:23:17 -0500 Organization: The Pitcher Digital Freehold Message-ID: References: <1bshbdljfk.fsf@pfeifferfamily.net> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit Injection-Date: Wed, 10 Jan 2018 18:23:16 -0000 (UTC) Injection-Info: reader02.eternal-september.org; posting-host="3c91616bb4cdd1c36f7e663bb6eac99c"; logging-data="7159"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18i/JkU6jf5mz0Q36dZUPJxQKGqt94kFIw=" User-Agent: KNode/4.4.3 Cancel-Lock: sha1:gKleegEODtzROKFyU++PIYv+jaQ= Xref: reader02.eternal-september.org comp.lang.c:204217 comp.lang.ada:49854 comp.programming:20479 comp.databases.xbase.fox:196 comp.lang.clipper:3114 Date: 2018-01-10T13:23:17-05:00 List-Id: Scott Lurndal wrote: > Joe Pfeiffer writes: >>"Mr. Man-wai Chang" writes: >> >>> Is it possible? Any existing algorithms or published papers? >> >>There are a zillion ways to generate truly random numbers, all based on >>somehow reading a suitably random input -- no need to simulate dice. > > When I was at SGI, a couple of colleagues published a paper > on using a Lava Lamp as a source of randomness in a random > number generator. Which the company "Cloudflair" uses today to generate random numbers for encryption purposes https://www.fastcodesign.com/90137157/the-hardest-working-office-design-in- america-encrypts-your-data-with-lava-lamps -- Lew Pitcher "In Skills, We Trust" PGP public key available upon request