{"id":377,"date":"2016-01-04T06:09:00","date_gmt":"2016-01-04T06:09:00","guid":{"rendered":"http:\/\/www.inforsec.org\/wp\/?p=377"},"modified":"2016-01-04T06:50:42","modified_gmt":"2016-01-04T06:50:42","slug":"nsa%e7%9c%9f%e7%9a%84%e7%a0%b4%e8%a7%a3%e4%ba%86vpn%e4%b8%ad%e7%9a%84diffie-hellman%e7%ae%97%e6%b3%95%e5%90%97-%e4%b8%8d%e5%ae%8c%e7%be%8e%e7%9a%84%e5%89%8d%e5%90%91%e4%bf%9d%e5%af%86","status":"publish","type":"post","link":"http:\/\/202.112.238.40\/wp\/?p=377","title":{"rendered":"NSA\u771f\u7684\u7834\u89e3\u4e86VPN\u4e2d\u7684Diffie-Hellman\u7b97\u6cd5\u5417\u2014\u2014\u4e0d\u5b8c\u7f8e\u7684\u524d\u5411\u4fdd\u5bc6\uff08Imperfect Forward Secrecy)"},"content":{"rendered":"

\"nsa_sign\"<\/a>
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\u57282015\u5e74ACM CCS\u5927\u4f1a\u4e0a\uff0c\u7531David Adrian\u7b4914\u4eba\u63d0\u4ea4\u7684\u8bba\u6587\u201cImperfect Forward Secrecy: How Dif\ufb01e-Hellman Fails in Practic\u201d\u83b7\u5f97\u5927\u4f1a\u7684\u6700\u4f73\u8bba\u6587\u3002\u8be5\u6587\u7ecf\u8fc7\u7814\u7a76\u548c\u5b9e\u9a8c\uff0c\u4e3a\u6211\u4eec\u63ed\u793a\u4e86\u4e3a\u4ec0\u4e48NSA\u53ef\u4ee5\u89e3\u5bc6\u4e92\u8054\u7f51\u4e0a\u7684\u5927\u91cf\u52a0\u5bc6\u901a\u4fe1\u5185\u5bb9\uff1a\u4f17\u591a\u7684\u7cfb\u7edf\u5728\u4f7f\u7528DH\u7b97\u6cd5\u65f6\u4f7f\u7528\u4e86\u6807\u51c6\u7684\u3001\u76f8\u540c\u7d20\u6570\uff0c\u800c\u8be5\u53c2\u6570\u662f\u4fdd\u8bc1\u7cfb\u7edf\u5b89\u5168\u7684\u91cd\u8981\u53c2\u6570\u3002\u56e0\u6b64NSA\u53ef\u4ee5\u9488\u5bf9\u8be5\u53c2\u6570\u8fdb\u884c\u5927\u91cf\u7684\u9884\u8fd0\u7b97\uff0c\u4ece\u800c\u80fd\u591f\u6bd4\u8f83\u5bb9\u6613\u7684\u89e3\u5bc6\u4f7f\u7528\u4e86\u8be5\u53c2\u6570\u7684\u52a0\u5bc6\u4f1a\u8bdd\u3002\u8fd9\u5f88\u7c7b\u4f3c\u4e8e\u6211\u4eec\u5927\u5bb6\u719f\u77e5\u7684\u7834\u89e3\u54c8\u5e0c\u7b97\u6cd5\u7684\u5f69\u8679\u8868\u67e5\u627e\u3002\u8be5\u6587\u7684\u7814\u7a76\u56e2\u961f\u4ece\u7406\u8bba\u548c\u5b9e\u73b0\u4e24\u4e2a\u65b9\u9762\u505a\u51fa\u4e86\u5353\u8d8a\u7684\u5de5\u4f5c\uff0c\u5bf9\u4fe1\u606f\u5b89\u5168\u7cfb\u7edf\u7684\u5f00\u53d1\u975e\u5e38\u6709\u91cd\u8981\u7684\u7406\u8bba\u548c\u5b9e\u8df5\u610f\u4e49\u3002<\/span><\/p>\n

\u7ed3\u8bba\uff1a\u7f51\u7edc\u4fe1\u606f\u5b89\u5168\u7cfb\u7edf\u4e2d\u7684\u5bc6\u7801\u7b97\u6cd5\u7684\u5b9e\u73b0\u975e\u5e38\u91cd\u8981\uff0c\u5b89\u5168\u7684\u5bc6\u7801\u7b97\u6cd5\u548c\u534f\u8bae\u5982\u679c\u5b9e\u73b0\u4e0a\u6709\u7455\u75b5\uff0c\u7cfb\u7edf\u4e0d\u4f1a\u5b89\u5168\u3002<\/span><\/p>\n

\u5efa\u8bae\uff1a\u7f51\u7edc\u4fe1\u606f\u7cfb\u7edf\u4e2d\u7528\u5230\u5bc6\u7801\u6280\u672f\u7684\u5b9e\u73b0\u65f6\uff0c\u5e94\u8be5\u6709\u5bc6\u7801\u4e13\u5bb6\u7684\u6df1\u5ea6\u53c2\u4e0e\u4ee5\u4fdd\u8bc1\u8fd9\u4e9b\u57fa\u7840\u6280\u672f\u7684\u6b63\u786e\u5b9e\u73b0\u3002<\/span><\/p>\n

\u539f\u6587\uff08PDF\uff09\uff1aCCS ’15 2015 Adrian<\/a>\uff0c Slides:\u00a0https:\/\/simons.berkeley.edu\/sites\/default\/files\/docs\/3477\/dl.pdf<\/a><\/p>\n

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\u53c2\u8003\u94fe\u63a5<\/strong>\uff1a<\/p>\n

[1] Prying Eyes: Inside the NSA’s War on Internet Security\uff0chttp:\/\/www.spiegel.de\/international\/germany\/inside-the-nsa-s-war-on-internet-security-a-1010361.html<\/a>
\n[2]\u00a0NSA Surveillance Can Penetrate VPNs,\u00a0http:\/\/www.darkreading.com\/risk-management\/nsa-surveillance-can-penetrate-vpns\/d\/d-id\/1110996?<\/a>
\n[3]The NSA Is Building the Country\u2019s Biggest Spy Center (Watch What You Say),\u00a0http:\/\/www.wired.com\/2012\/03\/ff_nsadatacenter\/<\/a>
\n[4]\u00a0Let’s talk about that NSA Diffie-Hellman crack,\u00a0http:\/\/www.theregister.co.uk\/2015\/10\/19\/nsa_crypto_breaking_theory\/<\/a>
\n[5] ‘Logjam’ crypto bug could be how the NSA cracked VPNs,\u00a0http:\/\/www.theregister.co.uk\/2015\/05\/20\/logjam_johns_hopkins_cryptoboffin_ids_next_branded_bug\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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