{"id":139,"date":"2008-12-03T22:18:50","date_gmt":"2008-12-04T03:18:50","guid":{"rendered":"http:\/\/scripts.mit.edu\/~zong\/wpress\/?p=139"},"modified":"2008-12-03T22:22:36","modified_gmt":"2008-12-04T03:22:36","slug":"biometric-authentication","status":"publish","type":"post","link":"https:\/\/blog.yhuang.org\/?p=139","title":{"rendered":"biometric authentication"},"content":{"rendered":"<p>Now that I have gotten seriously addicted to Tablet PC (the faux paper templates in Windows Journal alone were enough to get me hooked), I&#8217;ve been pondering about some limitations of the platform. One is authentication. One of things you are not happy to do with a mouse &#8212; which the pen is, sort of &#8212; is inputting random strings that have become of modern-day passwords.<\/p>\n<p>So I understood the point of the fingerprint reader option on this build. Swipe and you can bypass having to type passwords in tablet mode when the keyboard is hidden. But I didn&#8217;t get the option, and I believe there are other alternatives.<\/p>\n<p>There are many modes of biometric authentication, fingerprint, face recognition, handwriting, voice, etc., and getting nearly perfect reliability in each case is a difficult problem when used alone. State of the art is just not good enough. But combined into a multifactored authentication protocol, it may just work. Here is something that should work <em>today<\/em> with existing hardware:<\/p>\n<table border=\"1\" cellpadding=\"10\" style=\"margin: 2 2 2 2; border-collapse: collapse; border-style: solid; border-color: #365873;\">\n<tr>\n<td><strong>Look into the webcam, solve a quick reflexive cognition problem, and provide a handwriting sample.<\/strong><\/td>\n<\/tr>\n<\/table>\n<p>That should do the trick for a quick keyboard-less authentication. Why hasn&#8217;t anybody written software to do this?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Now that I have gotten seriously addicted to Tablet PC (the faux paper templates in Windows Journal alone were enough to get me hooked), I&#8217;ve been pondering about some limitations of the platform. One is authentication. One of things you are not happy to do with a mouse &#8212; which the pen is, sort of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1148,1149,166,1150,1084,39,1151,271,1152,1730],"class_list":["post-139","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-authentication-protocol","tag-fingerprint-reader","tag-paper","tag-paper-templates","tag-pen","tag-problem","tag-random-strings","tag-sort","tag-tablet-mode","tag-windows"],"_links":{"self":[{"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=\/wp\/v2\/posts\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=139"}],"version-history":[{"count":0,"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=\/wp\/v2\/posts\/139\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.yhuang.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}