{"id":1206,"date":"2021-12-17T12:25:18","date_gmt":"2021-12-17T04:25:18","guid":{"rendered":"https:\/\/choson.lifenet.com.tw\/?p=1206"},"modified":"2023-03-29T11:00:02","modified_gmt":"2023-03-29T03:00:02","slug":"%e6%95%b8%e4%bd%8d%e7%b0%bd%e7%ab%a0digital-signature","status":"publish","type":"post","link":"https:\/\/choson.lifenet.com.tw\/?p=1206","title":{"rendered":"\u6578\u4f4d\u7c3d\u7ae0(digital signature)"},"content":{"rendered":"\n<p><img decoding=\"async\" src=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160H4mVybcNFs.jpg\" alt=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160H4mVybcNFs.jpg\"><br>-\u6578\u4f4d\u7c3d\u7ae0<br>\u4f7f\u7528\u60a8\u7684\u79c1\u9470\u52a0\u5bc6\u4ee3\u78bc\u7684\u6307\u7d0b\u6216\u5c0d\u4ee3\u78bc\u9032\u884c\u6563\u5217\u4e26\u4f7f\u7528\u60a8\u7684\u79c1\u9470\u52a0\u5bc6\u7d50\u679c\u662f\u751f\u6210\u6578\u5b57\u7c3d\u540d\u7684 \u6539\u5beb \u3002<br>. \u4f7f\u7528 SHA \u751f\u6210\u5408\u7d04\u7684\u6d88\u606f\u9a57\u8b49\u78bc\uff0c\u78ba\u4fdd\u6578\u64da\u4f86\u6e90\u7684\u771f\u5be6\u6027\u3002<br>. Bob \u7684\u516c\u9470\u52a0\u5bc6\u7684\u5408\u7d04\u6458\u8981\u4e0d\u662f Alice \u7684\u6578\u5b57\u7c3d\u540d\u3002<br>. \u4f7f\u7528 Diffie-Hellman \u540c\u610f\u7684\u5bc6\u9470\u751f\u6210\u5408\u540c\u6458\u8981\u7684\u5bc6\u6587\u662f\u4e00\u7a2e\u5e72\u64fe\u3002Diffie-Hellman \u7528\u65bc\u5bc6\u9470\u5354\u5546\/\u4ea4\u63db\u800c\u4e0d\u662f\u52a0\u5bc6\u3002<br>\u6578\u4f4d\u7c3d\u7ae0\u53ef\u78ba\u4fdd\u4e0d\u53ef\u5426\u8a8d\u6027\u3001\u6578\u64da\u5b8c\u6574\u6027\u548c\u771f\u5be6\u6027\u3002\u5f9e\u6280\u8853\u4e0a\u8b1b\uff0c\u6578\u4f4d\u7c3d\u7ae0\u53ea\u4e0d\u904e\u662f\u7531\u4e3b\u9ad4\u7684\u79c1\u9470\u7c3d\u7ae0\u7684\u5c0d\u8c61\u7684\u54c8\u5e0c\u503c\u3002<br><img decoding=\"async\" src=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160lJfSz9ompu.jpg\" alt=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160lJfSz9ompu.jpg\"><br>-FISMA\u7684\u5b8c\u6574\u6027<br><img decoding=\"async\" src=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160iuJgYdCA35.jpg\" alt=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160iuJgYdCA35.jpg\"><br>-FISMA CIA<\/p>\n\n\n\n<p>FIPS 186-4 \u6279\u51c6\u4e86\u4e09\u7a2e\u6280\u8853\uff1aDSA\u3001RSA DSA \u548c ECDSA\uff0c\u5982\u4e0b\u5716\u6240\u793a\uff1a<br><img decoding=\"async\" src=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160RLQDNtKKAj.jpg\" alt=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160RLQDNtKKAj.jpg\"><\/p>\n\n\n\n<p><strong>\u4e0d\u53ef\u5426\u8a8d\u6027(Non-repudiation)<\/strong><br><img decoding=\"async\" src=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160Ltsrq2Yzr8.jpg\" alt=\"https:\/\/ithelp.ithome.com.tw\/upload\/images\/20211217\/20132160Ltsrq2Yzr8.jpg\"><br>. \u4e0d\u53ef\u5426\u8a8d\u6027\u5177\u6709\u6280\u8853\u548c\u6cd5\u5f8b\u610f\u7fa9\u3002 \u6280\u8853\u4e0d\u53ef\u5426\u8a8d \u53ef\u4ee5\u901a\u904e\u6578\u4f4d\u7c3d\u7ae0\u5be6\u73fe\uff0c\u800c \u6cd5\u5f8b\u4e0d\u53ef\u5426\u8a8d \u662f\u5177\u6709\u6cd5\u5f8b\u7d04\u675f\u529b\u7684\u3002<br>. \u5177\u6709\u6cd5\u5f8b\u7d04\u675f\u529b\u7684\u6578\u4f4d\u7c3d\u7ae0\u662f\u96fb\u5b50\u7c3d\u7ae0\u7684\u4e00\u7a2e\u5f62\u5f0f\u3002\u4f46\u662f\uff0c\u4e26\u975e\u6240\u6709\u6578\u4f4d\u7c3d\u7ae0\u90fd\u5177\u6709\u6cd5\u5f8b\u7d04\u675f\u529b\u3002<\/p>\n\n\n\n<p><strong>\u53c3\u8003<\/strong><br>.&nbsp;<a href=\"https:\/\/wentzwu.com\/2019\/09\/05\/non-repudiation\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e0d\u53ef\u5426\u8a8d\u6027<\/a><br>.&nbsp;<a href=\"https:\/\/wentzwu.com\/2021\/03\/19\/cissp-practice-questions-20210320\/\" target=\"_blank\" rel=\"noreferrer noopener\">CISSP \u5be6\u8e10\u554f\u984c \u2013 20210320<\/a><br>.&nbsp;<a href=\"https:\/\/wentzwu.com\/2021\/07\/05\/cissp-practice-questions-20210705\/\" target=\"_blank\" rel=\"noreferrer noopener\">CISSP \u5be6\u8e10\u554f\u984c \u2013 20210705<\/a><\/p>\n\n\n\n<p>\u8cc7\u6599\u4f86\u6e90\uff1a\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/wentzwu.com\/2021\/09\/17\/cissp-practice-questions-20210917\/\" target=\"_blank\">Wentz Wu QOTD-20210917<\/a><\/p>\n\n\n\n<p>PS:\u6b64\u6587\u7ae0\u7d93\u904e\u4f5c\u8005\u540c\u610f\u520a\u767b \u4e26\u4e14\u6388\u6b0a\u53ef\u4ee5\u7ffb\u8b6f\u6210\u4e2d\u6587<\/p>\n","protected":false},"excerpt":{"rendered":"<p>-\u6578\u4f4d\u7c3d\u7ae0\u4f7f\u7528\u60a8\u7684\u79c1\u9470\u52a0\u5bc6\u4ee3\u78bc\u7684\u6307\u7d0b\u6216\u5c0d\u4ee3\u78bc\u9032\u884c\u6563\u5217\u4e26\u4f7f\u7528\u60a8\u7684\u79c1\u9470\u52a0\u5bc6\u7d50\u679c\u662f\u751f\u6210\u6578\u5b57\u7c3d\u540d\u7684 \u6539\u5beb \u3002. \u4f7f\u7528  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1206","post","type-post","status-publish","format-standard","hentry","category-cisspcertified-information-systems-security-professional"],"_links":{"self":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1206"}],"version-history":[{"count":2,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1206\/revisions"}],"predecessor-version":[{"id":2751,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/1206\/revisions\/2751"}],"wp:attachment":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}