{"id":1774,"date":"2017-02-22T01:56:51","date_gmt":"2017-02-22T01:56:51","guid":{"rendered":"https:\/\/www.inforsec.org\/wp\/?p=1774"},"modified":"2017-02-22T01:57:33","modified_gmt":"2017-02-22T01:57:33","slug":"town-crier-%e9%9d%a2%e5%90%91%e6%99%ba%e8%83%bd%e5%90%88%e7%ba%a6%e7%9a%84%e5%8f%af%e9%aa%8c%e8%af%81%e6%95%b0%e6%8d%ae%e4%be%9b%e7%bb%99%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"http:\/\/202.112.238.40\/wp\/?p=1774","title":{"rendered":"Town Crier: \u9762\u5411\u667a\u80fd\u5408\u7ea6\u7684\u53ef\u9a8c\u8bc1\u6570\u636e\u4f9b\u7ed9\u7cfb\u7edf"},"content":{"rendered":"

\u4f5c\u8005\uff1a\u5f20\u5e06\uff0c\u5eb7\u5948\u5c14\u5927\u5b66\uff08Cornell University\uff09\u8ba1\u7b97\u673a\u7cfb\u535a\u58eb\u4e09\u5e74\u7ea7<\/p>\n

\u667a\u80fd\u5408\u7ea6\u6307\u7684\u662f\u5b9e\u73b0\u4e86\u67d0\u79cd\u201c\u5408\u7ea6\u201d\u7684\u8ba1\u7b97\u673a\u7a0b\u5e8f\uff0c\u5176\u6e0a\u6e90\u53ef\u8ffd\u6eaf\u81f3Szabo\u7684\u5f00\u521b\u6027\u5de5\u4f5c[1]\u3002\u667a\u80fd\u5408\u7ea6\u7684\u7279\u70b9\u5728\u4e8e\u201c\u5408\u7ea6\u201d\u4e2d\u7684\u6761\u6b3e\u53ef\u4ee5\u81ea\u53d1\u5c65\u884c(self-enforce)\u800c\u4e0d\u53d7\u5916\u754c\u7684\u5f71\u54cd\u3002\u7531\u4e8e\u8fd9\u79cd\u4f18\u79c0\u7684\u6027\u8d28\uff0c\u4eba\u4eec\u957f\u671f\u4ee5\u6765\u5c06\u667a\u80fd\u5408\u7ea6\u89c6\u4e3a\u73b0\u6709\u6cd5\u5f8b\u5408\u540c\u7684\u66f4\u597d\u7684\u66ff\u4ee3\u3002\u5c3d\u7ba1\u5bc6\u7801\u5b66\u8d27\u5e01\uff08\u4f8b\u5982\u6bd4\u7279\u5e01\uff09\u7684\u51fa\u73b0\u4e3a\u5b9e\u73b0\u667a\u80fd\u5408\u7ea6\u63d0\u4f9b\u4e86\u57fa\u7840\uff08\u4f8b\u5982\uff0cEthereum [\u4ee5\u592a\u574a] \u63a8\u51fa\u7684\u667a\u80fd\u5408\u7ea6\u5c31\u662f\u57fa\u4e8e\u533a\u5757\u94fe\u6280\u672f\uff09\uff0c\u4f46\u662f\u8981\u5b8c\u5168\u5b9e\u73b0\u667a\u80fd\u5408\u7ea6\u7684\u6700\u5438\u5f15\u4eba\u7684\u5e94\u7528\u573a\u666f\u4ecd\u9700\u4e00\u9879\u5173\u952e\u7684\u6280\u672f\u7a81\u7834\uff0c\u90a3\u5c31\u662f\u53ef\u9a8c\u8bc1\u6570\u636e\u4f9b\u7ed9(Authenticated Data Feed)\u3002\u5176\u539f\u56e0\u662f\u51e0\u4e4e\u6240\u6709\u7684\u667a\u80fd\u5408\u7ea6\u90fd\u9700\u8981\u83b7\u53d6\u533a\u5757\u94fe\u4ee5\u5916\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u80a1\u7968\u4ef7\u683c\u7b49\u3002\u4f46\u662f\u7531\u4e8e\u667a\u80fd\u5408\u7ea6\u672c\u8d28\u4e0a\u662f\u8fd0\u884c\u4e8e\u533a\u5757\u94fe\u4e0a\u7684\u72b6\u6001\u673a\uff08\u53c2\u89c1\u5171\u8bc6\u534f\u8bae\u7684\u9650\u5236[2, 3]\uff09\uff0c\u5176\u8f93\u5165\u53ea\u80fd\u6765\u81ea\u533a\u5757\u94fe\u5185\u90e8\uff0c\u5e76\u4e0d\u80fd\u50cf\u4f20\u7edf\u8ba1\u7b97\u673a\u7a0b\u5e8f\u4e00\u6837\u8bbf\u95ee\u7f51\u7edc\u3002\u7b80\u5355\u7684\u7f51\u7edc\u4ee3\u7406\u5e76\u4e0d\u80fd\u89e3\u51b3\u95ee\u9898\uff0c\u56e0\u4e3a\u5c3d\u7ba1HTTPS\u534f\u8bae\u63d0\u4f9b\u4e86\u53ef\u9760\u6027\u7684\u4fdd\u8bc1\uff0c\u4f46\u662fHTTPS\u5e76\u4e0d\u80fd\u63d0\u4f9b\u53ef\u4f20\u9012\u7684\u6570\u5b57\u7b7e\u540d\u3002\u56e0\u6b64\u53ef\u4fe1\u8d56\u6570\u636e\u4f9b\u7ed9\u5bf9\u4e0e\u667a\u80fd\u5408\u7ea6\u7684\u751f\u6001\u7cfb\u7edf\u662f\u81f3\u4e3a\u5173\u952e\u7684\u3002<\/p>\n

<\/p>\n

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\"\"<\/p>\n

\u7406\u8bba\u4e0a\uff0c\u6211\u4eec\u5728UC\u6846\u67b6\u4e2d\u8bc1\u660e\u4e86TC\u7684\u5b89\u5168\u6027\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u4e5f\u63a2\u7d22\u4e86\u8bbe\u8ba1\u201c\u533a\u5757\u94fe-\u53ef\u4fe1\u8d56\u786c\u4ef6\u201d\u6df7\u5408TCB\u7cfb\u7edf\u7684\u57fa\u672c\u6311\u6218\u548c\u6280\u672f\uff0c\u5305\u62ec\u5408\u7406\u8d44\u6e90\u5206\u914d\u548cTCB\u6700\u5c0f\u5316\u7b49\u3002\u8be6\u60c5\u89c1\u8bba\u6587[4] (https:\/\/dl.acm.org\/citation.cfm?doid=2976749.2978326)\u3002\u6211\u4eec\u6b63\u5728\u79ef\u6781\u90e8\u7f72TC\u5e76\u8ba1\u5212\u514d\u8d39\u4f9b\u793e\u533a\u4f7f\u7528\u3002<\/p>\n

[1] N. Szabo. Smart contracts. http:\/\/szabo.best.vwh.net\/smart.contracts.html, 1994.
\n[2] Ethereum, A Next-Generation Smart Contract and Decentralized Application Platform
\n, https:\/\/github.com\/ethereum\/wiki\/wiki\/White-Paper
\n[3] G. Wood, Ethereum: A Secure Decentralised Generalised Transaction Ledger, http:\/\/paper.gavwood.com\/
\n[4] Fan Zhang, Ethan Cecchetti, Kyle Croman, Ari Juels, and Elaine Shi. 2016. Town Crier: An Authenticated Data Feed for Smart Contracts. In\u00a0Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security\u00a0(CCS ’16). ACM, New York, NY, USA, 270-282. DOI: https:\/\/doi.org\/10.1145\/2976749.2978326<\/p>\n

\u4e2a\u4eba\u4ecb\u7ecd\uff1a\u5f20\u5e06\uff08http:\/\/fanzhang.me<\/u><\/a>\uff09\uff0c\u5eb7\u5948\u5c14\u5927\u5b66\uff08Cornell University\uff09\u8ba1\u7b97\u673a\u7cfb\u535a\u58eb\u4e09\u5e74\u7ea7\u3002\u7814\u7a76\u5174\u8da3\u4e3a\u7cfb\u7edf\u5b89\u5168\uff0c\u53ef\u4fe1\u8d56\u786c\u4ef6\u548c\u5bc6\u7801\u5b66\u8d27\u5e01\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f5c\u8005\uff1a\u5f20\u5e06\uff0c\u5eb7\u5948\u5c14\u5927\u5b66\uff08Cornell University\uff09\u8ba1\u7b97\u673a\u7cfb\u535a\u58eb\u4e09\u5e74\u7ea7 \u667a\u80fd\u5408\u7ea6\u6307\u7684\u662f\u5b9e\u73b0… Continue reading → <\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1774","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/1774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1774"}],"version-history":[{"count":3,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/1774\/revisions"}],"predecessor-version":[{"id":1777,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/1774\/revisions\/1777"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1774"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}