{"id":67,"date":"2005-02-16T22:06:45","date_gmt":"2005-02-17T02:06:45","guid":{"rendered":"http:\/\/blogs.law.harvard.edu\/dbnews\/2005\/02\/16\/collision-search-attacks\/"},"modified":"2005-02-16T22:06:45","modified_gmt":"2005-02-17T02:06:45","slug":"collision-search-attacks","status":"publish","type":"post","link":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/2005\/02\/16\/collision-search-attacks\/","title":{"rendered":"Collision Search Attacks"},"content":{"rendered":"<p><a name='a4595'><\/a><\/p>\n<table width=\"537\" border=\"0\">\n<tr>\n<td>\n<p><em><a href=\"http:\/\/www.infoworld.com\/article\/05\/02\/16\/HNshaflaw_1.html\">This<br \/>\n            story <\/a>was first broken last night by <a href=\"http:\/\/en.wikinews.org\/wiki\/Main_Page\">Wikinews!<\/a> We have a<br \/>\n          feeling we&#8217;ll be hearing a lot more out of Chinese computer scientists<br \/>\n          (and <a href=\"http:\/\/en.wikinews.org\/wiki\/Main_Page\">Wikinews<\/a>) in the<br \/>\n          next<br \/>\n          few<br \/>\n        years&#8230;<\/em><\/p>\n<p>Security experts are warning that a security flaw has been found<br \/>\n          in a powerful<br \/>\n          data encryption<br \/>\n          algorithm,<br \/>\n          dubbed SHA-1,<br \/>\n          by<br \/>\n          a team<br \/>\n          of scientists<br \/>\n          from Shandong University in China. The three scientists are circulating<br \/>\n          a paper within the cryptographic research community that describes<br \/>\n        successful tests of a technique that could greatly reduce the speed with<br \/>\n        which SHA-1<br \/>\n          could be compromised.<\/p>\n<p>SHA-1 is used to create signatures by most of the popular security protocols<br \/>\n        on the Internet, including SSL (Secure Sockets Layer) and PGP (Profile,<br \/>\n        Products, Articles) (Pretty Good Privacy), he said.<\/p>\n<p>A research team of three scientists: Xiaoyun Wang, Yiqun Lisa Yin, and Hongbo<br \/>\nYu, is circulating a paper called &quot;Collision Search Attacks on SHA-1&quot; that<br \/>\ndescribes methods for creating so-called &quot;collisions&quot; with the SHA-1<br \/>\nalgorithm 2,000 times more quickly than had been possible before.<\/p>\n<p>from <a href=\"http:\/\/www.infoworld.com\/article\/05\/02\/16\/HNshaflaw_1.html\">Infoworld<\/a><\/p>\n<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>This story was first broken last night by Wikinews! We have a feeling we&#8217;ll be hearing a lot more out of Chinese computer scientists (and Wikinews) in the next few years&#8230; Security experts are warning that a security flaw has &hellip; <a href=\"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/2005\/02\/16\/collision-search-attacks\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":299,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[142],"tags":[],"class_list":["post-67","post","type-post","status-publish","format-standard","hentry","category-technology"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/posts\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/users\/299"}],"replies":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/comments?post=67"}],"version-history":[{"count":0,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/posts\/67\/revisions"}],"wp:attachment":[{"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/media?parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/categories?post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/dowbrigade\/wp-json\/wp\/v2\/tags?post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}