Path: cactus.org!milano!cs.utexas.edu!wupost!spool.mu.edu!uunet!mcsun!sun4nl! + alchemy!accucx!nevries From: nevries@accucx.cc.ruu.nl (Nico E. de Vries) Newsgroups: sci.crypt Subject: IBM-PC flawless true random number generator Message-ID: <2670@accucx.cc.ruu.nl> Date: 22 Jun 92 10:15:10 GMT Article-I.D.: accucx.2670 Organization: Academic Computer Centre Utrecht Lines: 32 Hi, some days ago (a week?) I posted an open "ad" for my free random generator source. I got about 60 requests but if you haven't got it yet feel free to email me. The source is not extremely commented (only the code is commented, not the thoughts behind it) therefore this posting. To make one thing clear which some people misunderstood, althought the fact that the random generator is a 100% source one it is not a software but a hardware random generator! The "trick" is I use standard hardware present in any IBM compatible PC and not some add on board. The hardware I use are two clock crystals, the real time clock one and the microprocessor one. I did several statistical tests on the program and couldn't find any flaws in it. I hope however others will try at their best to test it as well and I urge them to post their findings (reply to this posting?). IMHO the generator is completely undeterministic but one never knows. Nico E. de Vries _ _ O O USENET nevries@cc.ruu.nl FIDO 2:281/708.1 COMPUSERVE "soon" (tm) o This text reflects MY opinions, not that of my employer BITECH. \_/ This text is supplied 'AS IS', no waranties of any kind apply. Don't waste your time on complaining about my hopeless typostyle. "Unfortunately, the current generation of mail programs do not have checkers to see if the sender knows what he is talking about" (A.S. Tanenbaum)