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  <div class="vevent h-event"> <h1 class="summary p-name">Random by Bart Massey</h1> <div class='date'><time class="dtstart dt-start" title="2015-08-11T18:00:00" datetime="2015-08-11T18:00:00">Tuesday, August 11, 2015 from 6</time>–<time class="dtend dt-end" title="2015-08-11T20:00:00" datetime="2015-08-11T20:00:00">8pm</time></div> <div class="location vcard p-location h-card"> <a class="url" href='http://calagator.org/venues/202395030'><span class='fn org p-name'>Portland State University Fourth Avenue Building (FAB) Room FAB 88-10</span></a> <div class="adr p-adr h-adr"> </div> </div> <div class="description p-description"> <p>Randomness is philosophically interesting and really important to technologists. I will survey a bunch of random stuff, including:</p> <p>Applications of randomness, including cryptography and game theory (they’re related). A hypothetical Poker server will be a running example.</p> <p>Various definitions of “random”, including one good one and several bad ones used by most software people.</p> <p>Pseudo-random number generators (PRNGs). Hardware random number generators, including entropy gatherers. I will show an open-hardware open-source high speed true random number generator built by Bdale Garbee and Keith Packard that I’ve been involved with, which will provide 12Mb/s of random bits through a USB port for about $15.</p> <p>Statistical tests of randomness and how various popular PRNGs fail.</p> <p>Randomized algorithms, including my well-polished minitalk on The Perfect Shuffle and a discussion of “Telephone Poker”.</p> <p>Participants will write code for a couple of popular PRNGs and evaluate their performance during the session.</p> <p>If you want to understand randomness better (and you should), this is the talk for you.</p> </div> <h3>Links</h3> <ul> <li><a class="url u-url" href="http://acm.pdx.edu/event.php?event=63">Website</a></li> </ul> </div>