{"id":904,"date":"2026-02-07T09:27:18","date_gmt":"2026-02-07T09:27:18","guid":{"rendered":"http:\/\/www.selinuxplus.com\/?p=904"},"modified":"2026-02-07T09:27:18","modified_gmt":"2026-02-07T09:27:18","slug":"dkls23%ef%bc%9ampc-%e9%98%88%e5%80%bc%e7%ad%be%e5%90%8d%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"http:\/\/www.selinuxplus.com\/?p=904","title":{"rendered":"DKLS23\uff1aMPC \u9608\u503c\u7b7e\u540d\u534f\u8bae"},"content":{"rendered":"\n

\u968f\u7740 MPC\uff08Multi-Party Computation\uff09\u94b1\u5305<\/strong> \u5728\u52a0\u5bc6\u8d44\u4ea7\u6258\u7ba1\u3001\u673a\u6784\u7b7e\u540d\u3001\u534a\u6258\u7ba1\u94b1\u5305\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u9608\u503c\u7b7e\u540d\u534f\u8bae\u9010\u6e10\u4ece\u201c\u5b66\u672f\u6b63\u786e\u201d\u8d70\u5411\u201c\u5de5\u7a0b\u53ef\u843d\u5730\u201d\u3002<\/p>\n\n\n\n

DKLS23\uff08Damg\u00e5rd\u2013Keller\u2013Lund\u2013Scheller, 2023\uff09<\/strong> \u6b63\u662f\u5728\u8fd9\u4e00\u80cc\u666f\u4e0b\u63d0\u51fa\u7684\u4e0b\u4e00\u4ee3 MPC \u7b7e\u540d\u534f\u8bae\u3002<\/p>\n\n\n\n

\u672c\u6587\u5c06\u4ece\u5de5\u7a0b\u89c6\u89d2\u4ecb\u7ecd DKLS23 \u7684\u8bbe\u8ba1\u7406\u5ff5\u3001\u6838\u5fc3\u6280\u672f\uff0c\u4ee5\u53ca\u5b83\u4e3a\u4f55\u6b63\u5728\u6210\u4e3a GG18 \/ GG20 \u4e4b\u540e\u7684\u65b0\u4e3b\u6d41\u9009\u62e9\u3002<\/p>\n\n\n\n

\n\n\n\n

\u4e00\u3001MPC \u9608\u503c\u7b7e\u540d\u7684\u5de5\u7a0b\u56f0\u5883<\/strong><\/h2>\n\n\n\n

\u4ee5 GG18 \/ GG20 \u4e3a\u4ee3\u8868\u7684\u7ecf\u5178\u9608\u503c ECDSA \u534f\u8bae\uff0c\u5728\u5b89\u5168\u6027\u4e0a\u5df2\u7ecf\u975e\u5e38\u6210\u719f\uff0c\u4f46\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u5374\u9762\u4e34\u4e00\u4e9b\u957f\u671f\u5b58\u5728\u7684\u95ee\u9898\uff1a<\/p>\n\n\n\n

  • \u534f\u8bae\u8f6e\u6b21\u591a\u3001\u6d88\u606f\u590d\u6742<\/li>
  • DKG \u548c\u7b7e\u540d\u9636\u6bb5\u901a\u4fe1\u6210\u672c\u9ad8<\/li>
  • \u5b9e\u73b0\u590d\u6742\uff0c\u5bf9\u5de5\u7a0b\u7a33\u5b9a\u6027\u8981\u6c42\u6781\u9ad8<\/li>
  • \u5728\u79fb\u52a8\u7aef\u3001\u5f31\u7f51\u7edc\u3001\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u4f53\u9a8c\u4e0d\u4f73<\/li><\/ul>\n\n\n\n

    \u8fd9\u4e9b\u95ee\u9898\u5e76\u975e\u7406\u8bba\u7f3a\u9677\uff0c\u800c\u662f \u534f\u8bae\u8bbe\u8ba1\u4e0e\u73b0\u5b9e\u7cfb\u7edf\u4e4b\u95f4\u7684\u6469\u64e6<\/strong>\u3002<\/p>\n\n\n\n

    DKLS23 \u7684\u76ee\u6807\u5f88\u660e\u786e\uff1a<\/p>\n\n\n\n

    \u5728\u4e0d\u727a\u7272\u6076\u610f\u5b89\u5168\u548c\u65e0\u53ef\u4fe1\u65b9\u524d\u63d0\u4e0b\uff0c\u8ba9 MPC \u7b7e\u540d\u771f\u6b63\u201c\u597d\u7528\u201d\u3002<\/strong><\/p><\/blockquote>\n\n\n\n

    \n\n\n\n

    \u4e8c\u3001DKLS23 \u662f\u4ec0\u4e48\uff1f<\/strong><\/h2>\n\n\n\n

    DKLS23<\/strong> \u662f\u4e00\u79cd\u9762\u5411 ECDSA \/ Schnorr<\/strong> \u7684 \u6076\u610f\u5b89\u5168\u9608\u503c\u7b7e\u540d\u534f\u8bae<\/strong>\uff0c\u5176\u6838\u5fc3\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n

    • \u65e0\u53ef\u4fe1\u7b2c\u4e09\u65b9\uff08No TTP\uff09<\/li>
    • \u652f\u6301\u4e24\u65b9\u4e0e\u591a\u65b9\u9608\u503c\u7b7e\u540d<\/li>
    • \u9ad8\u6027\u80fd\u3001\u4f4e\u901a\u4fe1\u590d\u6742\u5ea6<\/li>
    • \u5f3a\u5de5\u7a0b\u53ef\u5b9e\u73b0\u6027<\/li><\/ul>\n\n\n\n

      \u5b83\u7279\u522b\u9002\u5408 2PC\uff082-of-2\uff09<\/strong> \u548c n-of-n<\/strong> \u7684 MPC \u94b1\u5305\u6a21\u578b\u3002<\/p>\n\n\n\n

      \n\n\n\n

      \u4e09\u3001\u6838\u5fc3\u8bbe\u8ba1\u601d\u60f3<\/strong><\/h2>\n\n\n\n

      1. \u4ece\u201c\u591a\u9879\u5f0f\u201d\u5230\u201cOT \u9a71\u52a8\u201d\u7684\u79d8\u5bc6\u5171\u4eab<\/strong><\/h3>\n\n\n\n

      \u4e0e\u4f20\u7edf GG \u7cfb\u5217\u534f\u8bae\u5927\u91cf\u4f9d\u8d56 Shamir \u591a\u9879\u5f0f\u79d8\u5bc6\u5171\u4eab<\/strong> \u4e0d\u540c\uff0cDKLS23 \u91c7\u7528\u4e86\uff1a<\/p>\n\n\n\n

      • Oblivious Transfer\uff08OT\uff09<\/strong><\/li>
      • OT Extension \/ VOLE<\/strong><\/li><\/ul>\n\n\n\n

        \u6765\u5b8c\u6210\u5bc6\u94a5\u751f\u6210\u548c\u4e2d\u95f4\u503c\u5171\u4eab\u3002<\/p>\n\n\n\n

        \u8fd9\u79cd\u8bbe\u8ba1\u5e26\u6765\u7684\u597d\u5904\u662f\uff1a<\/p>\n\n\n\n

        • \u901a\u4fe1\u590d\u6742\u5ea6\u663e\u8457\u964d\u4f4e<\/li>
        • \u534f\u8bae\u7ed3\u6784\u66f4\u6241\u5e73<\/li>
        • \u66f4\u5bb9\u6613\u5b9e\u73b0\u548c\u8c03\u8bd5<\/li>
        • \u66f4\u9002\u5408\u4e91\u7aef + \u5ba2\u6237\u7aef\u67b6\u6784<\/li><\/ul>\n\n\n\n
          \n\n\n\n

          2. \u66f4\u201c\u4fbf\u5b9c\u201d\u7684\u96f6\u77e5\u8bc6\u8bc1\u660e<\/strong><\/h3>\n\n\n\n

          DKLS23 \u4ecd\u7136\u63d0\u4f9b \u6076\u610f\u5b89\u5168\uff08Malicious Security\uff09<\/strong>\uff0c\u4f46\u91c7\u7528\u4e86\u66f4\u52a0\u8f7b\u91cf\u7684\u96f6\u77e5\u8bc6\u4e00\u81f4\u6027\u68c0\u67e5\u673a\u5236\uff1a<\/p>\n\n\n\n

          • \u9a8c\u8bc1\u5bc6\u94a5\u751f\u6210\u6b63\u786e\u6027<\/li>
          • \u9632\u6b62\u53c2\u4e0e\u65b9\u6ce8\u5165\u7578\u5f62\u6570\u636e<\/li>
          • \u4fdd\u8bc1\u7b7e\u540d\u8fc7\u7a0b\u4e0d\u53ef\u504f\u7f6e<\/li><\/ul>\n\n\n\n

            \u5728\u4fdd\u6301\u5b89\u5168\u6027\u7684\u540c\u65f6\uff0c\u5927\u5e45\u964d\u4f4e\u4e86\u8ba1\u7b97\u4e0e\u901a\u4fe1\u6210\u672c\u3002<\/p>\n\n\n\n

            \n\n\n\n

            3. \u6781\u7b80\u7684 Online \u7b7e\u540d\u9636\u6bb5<\/strong><\/h3>\n\n\n\n

            DKLS23 \u660e\u786e\u533a\u5206\uff1a<\/p>\n\n\n\n

            • Offline\uff08\u9884\u5904\u7406\uff09\u9636\u6bb5<\/strong><\/li>
            • Online\uff08\u7b7e\u540d\uff09\u9636\u6bb5<\/strong><\/li><\/ul>\n\n\n\n

              \u5927\u91cf\u6602\u8d35\u8ba1\u7b97\u53ef\u63d0\u524d\u5b8c\u6210\uff0c\u4f7f\u5f97\u5728\u7ebf\u7b7e\u540d\u9636\u6bb5\u5177\u5907\u4ee5\u4e0b\u7279\u6027\uff1a<\/p>\n\n\n\n

              • \u4f4e\u5ef6\u8fdf<\/li>
              • \u5c11\u8f6e\u6b21<\/li>
              • \u5c11\u6d88\u606f<\/li><\/ul>\n\n\n\n

                \u8fd9\u5bf9 \u9ad8\u9891\u4ea4\u6613\u7b7e\u540d<\/strong> \u548c \u79fb\u52a8\u7aef\u4ea4\u4e92<\/strong> \u6781\u5176\u91cd\u8981\u3002<\/p>\n\n\n\n

                \n","protected":false},"excerpt":{"rendered":"

                \u968f\u7740 MPC\uff08Multi-Party Comput…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/904"}],"collection":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=904"}],"version-history":[{"count":1,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/904\/revisions"}],"predecessor-version":[{"id":905,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/904\/revisions\/905"}],"wp:attachment":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=904"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}