{"id":1788,"date":"2007-05-03T23:46:03","date_gmt":"2007-05-03T23:46:03","guid":{"rendered":"http:\/\/192.168.1.4\/wordpress4\/?p=1788"},"modified":"2007-05-03T23:46:03","modified_gmt":"2007-05-03T23:46:03","slug":"hdcp","status":"publish","type":"post","link":"https:\/\/aiplus.idv.tw\/wp\/2007\/05\/03\/hdcp\/","title":{"rendered":"HDCP\u7834\u89e3\u5b8c\u7562\uff1f"},"content":{"rendered":"<p><a href=\"http:\/\/apache.dataloss.nl\/~fred\/www.nunce.org\/hdcp\/hdcp111901.htm\">http:\/\/apache.dataloss.nl\/~fred\/www.nunce.org\/hdcp\/hdcp111901.htm<\/a><\/p>\n<p>HDCP&#8217;s linear key exchange is a fundamental weaknesses. We can:<\/p>\n<p>* Eavesdrop on any data<br \/>* Clone any device with only their public key<br \/>* Avoid any blacklist on devices<br \/>* Create new device keyvectors.<br \/>* In aggregate, we can usurp the authority completely.<\/p>\n<p>The weaknesses are not easy to repair. Two proposed modifications are broken and still susceptible in $ O(n^2)$ work and $ n$ sets of keys to:<\/p>\n<p>* Eavesdrop on any data<br \/>* Clone any device with only their public key<br \/>* Avoid any blacklist on devices<\/p>\n<p>\u597d\u50cf\u771f\u7684\u6bd4\u60f3\u50cf\u597d\u7834&#8230;.<br \/>\u9019\u6a23\u7684\u8a71\u5c31\u6703\u8b8a\u6210\uff1a<\/p>\n<p>1. \u7121\u6cd5\u963b\u6b62\u6c92\u6709\u5f97\u5230licence\u7684\u5ee0\u5546copy\u5df2\u7d93\u767c\u884c\u7684public key<br \/>2. \u9019\u500bdevice\u5373\u4f7f\u7167HDCP\u7684\u898f\u5b9a\u5be6\u505ablack list\u529f\u80fd\uff0c\u5be6\u8cea\u4e0a\u4e5f\u53ef\u4ee5\u8b93black list\u66f4\u65b0\u529f\u80fd\u7121\u529b\u5316\u3002<\/p>\n<p>\u65bc\u662f\u4ee5\u5f8c\u767c\u884c\u7684\u5a92\u9ad4\u5c31\u9019\u6a23&#8230;.\uff1f<br \/>\u9806\u9053\uff0cXBOX360 HD-DVD Drive\u4f3c\u4e4e\u662f\u9019\u500b\u72c0\u6cc1\u7684\u4ee3\u8868\u3002_A_<\/p>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/apache.dataloss.nl\/~fred\/www.nunce.org\/hdcp\/hdcp &hellip; <a href=\"https:\/\/aiplus.idv.tw\/wp\/2007\/05\/03\/hdcp\/\" class=\"more-link\">\u95b1\u8b80\u5168\u6587 <span class=\"screen-reader-text\">HDCP\u7834\u89e3\u5b8c\u7562\uff1f<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/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":[],"class_list":["post-1788","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/posts\/1788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/comments?post=1788"}],"version-history":[{"count":0,"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/posts\/1788\/revisions"}],"wp:attachment":[{"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/media?parent=1788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/categories?post=1788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aiplus.idv.tw\/wp\/wp-json\/wp\/v2\/tags?post=1788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}