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  <div class="vevent h-event"> <h1 class="summary p-name">The History of Cryptography</h1> <div class='date'><time class="dtstart dt-start" title="2015-05-04T19:00:00" datetime="2015-05-04T19:00:00">Monday, May 4, 2015 from 7</time>–<time class="dtend dt-end" title="2015-05-04T20:30:00" datetime="2015-05-04T20:30:00">8:30pm</time></div> <div class="location vcard p-location h-card"> <a class="url" href='http://calagator.org/venues/202393719'><span class='fn org p-name'>Taborspace</span></a> <div class="adr p-adr h-adr"> <div class="street-address p-street-address">5441 SE Belmont St</div> <span class="locality p-locality">Portland,</span> , <span class="region p-region">Oregon</span> <span class="postal-code p-postal-code">97215</span> <div class="country-name p-country-name">US</div> (<a href='https://maps.google.com/maps?q=5441%20SE%20Belmont%20St,%20Portland,%20Oregon%2097215%20US'>map</a>) </div> </div> <div class="description p-description"> <p><strong>The History of Cryptography at Portland Underground Grad School</strong></p> <p>With the rise of privacy concerns in digital spaces, encryption technology has become an increasingly important modern topic. But the practice of secure communications, and the practice of breaking it, have been around for centuries. Come examine the origins of cryptography, from Caesar ciphers to modern day techniques and even learn some basic crypto methods that can be done by hand.</p> <p><em>This is a four week class and requires reservations. See the website!</em></p> </div> <h3>Links</h3> <ul> <li><a class="url u-url" href="http://www.pugspdx.com/classes">Website</a></li> </ul> </div>