{"id":60791,"date":"2024-10-13T05:50:13","date_gmt":"2024-10-12T21:50:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60791\/"},"modified":"2024-10-13T05:50:13","modified_gmt":"2024-10-12T21:50:13","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e7%8f%bemd5%e5%8a%a0%e5%af%86%e6%8a%80%e8%a1%93%ef%bc%8c%e5%ae%89%e5%85%a8%e5%8f%af%e9%9d%a0-db2%e6%95%b8%e6%93%9a%e5%ba%abmd5%e5%8a%a0%e5%af%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60791\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u5be6\u73feMD5\u52a0\u5bc6\u6280\u8853\uff0c\u5b89\u5168\u53ef\u9760 (db2\u6578\u64da\u5eabmd5\u52a0\u5bc6)"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e7%8f%bemd5%e5%8a%a0%e5%af%86%e6%8a%80%e8%a1%93%ef%bc%8c%e5%ae%89%e5%85%a8%e5%8f%af%e9%9d%a0-nKsJZKafPt\">DB2\u6578\u64da\u5eab\u5be6\u73feMD5\u52a0\u5bc6\u6280\u8853\uff0c\u5b89\u5168\u53ef\u9760<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u5b89\u5168\u65e5\u76ca\u53d7\u5230\u91cd\u8996\u7684\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u52a0\u5bc6\u6280\u8853\u6210\u70ba\u4e86\u4fdd\u8b77\u654f\u611f\u4fe1\u606f\u7684\u91cd\u8981\u624b\u6bb5\u3002IBM\u7684DB2\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u52a0\u5bc6\u6280\u8853\uff0c\u5176\u4e2dMD5\u52a0\u5bc6\u6280\u8853\u56e0\u5176\u7c21\u55ae\u9ad8\u6548\u800c\u88ab\u5ee3\u6cdb\u61c9\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u6578\u64da\u5eab\u4e2dMD5\u52a0\u5bc6\u7684\u5be6\u73fe\u65b9\u6cd5\u53ca\u5176\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmd5%e5%8a%a0%e5%af%86%ef%bc%9f-nKsJZKafPt\">\u4ec0\u9ebc\u662fMD5\u52a0\u5bc6\uff1f<\/h2>\n<p>MD5\uff08Message-Digest Algorithm 5\uff09\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u52a0\u5bc6\u54c8\u5e0c\u51fd\u6578\uff0c\u80fd\u5920\u5c07\u4efb\u610f\u9577\u5ea6\u7684\u6578\u64da\u8f49\u63db\u70ba\u56fa\u5b9a\u9577\u5ea6\u7684128\u4f4d\uff0816\u5b57\u7bc0\uff09\u54c8\u5e0c\u503c\u3002\u7531\u65bc\u5176\u8a08\u7b97\u901f\u5ea6\u5feb\u548c\u5be6\u73fe\u7c21\u55ae\uff0cMD5\u5728\u6578\u64da\u5b8c\u6574\u6027\u6aa2\u67e5\u548c\u5bc6\u78bc\u5b58\u5132\u7b49\u65b9\u9762\u5f97\u5230\u4e86\u5ee3\u6cdb\u61c9\u7528\u3002<\/p>\n<h2 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84md5%e5%8a%a0%e5%af%86%e5%af%a6%e7%8f%be-nKsJZKafPt\">DB2\u6578\u64da\u5eab\u4e2d\u7684MD5\u52a0\u5bc6\u5be6\u73fe<\/h2>\n<p>\u5728DB2\u6578\u64da\u5eab\u4e2d\uff0c\u5be6\u73feMD5\u52a0\u5bc6\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SQL\u8a9e\u53e5\u9032\u884cMD5\u52a0\u5bc6\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%a4%ba%e4%be%8b%e8%a1%a8-nKsJZKafPt\">1. \u5275\u5efa\u4e00\u500b\u793a\u4f8b\u8868<\/h3>\n<pre><code>CREATE TABLE users (\n    id INT GENERATED ALWAYS AS IDENTITY,\n    username VARCHAR(50),\n    password VARCHAR(50),\n    md5_password CHAR(32)\n);<\/code><\/pre>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e4%b8%a6%e9%80%b2%e8%a1%8cmd5%e5%8a%a0%e5%af%86-nKsJZKafPt\">2. \u63d2\u5165\u6578\u64da\u4e26\u9032\u884cMD5\u52a0\u5bc6<\/h3>\n<p>\u5728\u63d2\u5165\u7528\u6236\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528DB2\u7684\u5167\u5efa\u51fd\u6578\u4f86\u751f\u6210MD5\u54c8\u5e0c\u503c\uff1a<\/p>\n<pre><code>INSERT INTO users (username, password, md5_password)\nVALUES ('user1', 'mypassword', MD5('mypassword'));<\/code><\/pre>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-nKsJZKafPt\">3. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u7576\u9700\u8981\u9a57\u8b49\u7528\u6236\u5bc6\u78bc\u6642\uff0c\u53ef\u4ee5\u5c07\u7528\u6236\u8f38\u5165\u7684\u5bc6\u78bc\u9032\u884cMD5\u52a0\u5bc6\uff0c\u7136\u5f8c\u8207\u6578\u64da\u5eab\u4e2d\u7684\u54c8\u5e0c\u503c\u9032\u884c\u6bd4\u8f03\uff1a<\/p>\n<pre><code>SELECT * FROM users\nWHERE username = 'user1' AND md5_password = MD5('mypassword');<\/code><\/pre>\n<h2 id=\"md5%e5%8a%a0%e5%af%86%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-nKsJZKafPt\">MD5\u52a0\u5bc6\u7684\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5118\u7ba1MD5\u52a0\u5bc6\u6280\u8853\u5728\u6027\u80fd\u4e0a\u5177\u6709\u512a\u52e2\uff0c\u4f46\u5176\u5b89\u5168\u6027\u537b\u53d7\u5230\u4e86\u4e00\u5b9a\u7684\u8cea\u7591\u3002\u96a8\u8457\u8a08\u7b97\u80fd\u529b\u7684\u63d0\u5347\uff0cMD5\u5df2\u7d93\u88ab\u8b49\u660e\u5b58\u5728\u78b0\u649e\u6f0f\u6d1e\uff0c\u9019\u610f\u5473\u8457\u4e0d\u540c\u7684\u8f38\u5165\u53ef\u80fd\u6703\u7522\u751f\u76f8\u540c\u7684\u54c8\u5e0c\u503c\u3002\u56e0\u6b64\uff0c\u5728\u8655\u7406\u9ad8\u5ea6\u654f\u611f\u7684\u6578\u64da\u6642\uff0c\u5efa\u8b70\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u54c8\u5e0c\u7b97\u6cd5\uff0c\u5982SHA-256\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%a2%9e%e5%bc%b7md5%e5%8a%a0%e5%af%86%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7-nKsJZKafPt\">\u5982\u4f55\u589e\u5f37MD5\u52a0\u5bc6\u7684\u5b89\u5168\u6027<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u9e7d\u503c\uff08Salt\uff09\uff1a<\/strong>\u5728\u9032\u884cMD5\u52a0\u5bc6\u4e4b\u524d\uff0c\u70ba\u6bcf\u500b\u7528\u6236\u7684\u5bc6\u78bc\u6dfb\u52a0\u4e00\u500b\u96a8\u6a5f\u751f\u6210\u7684\u9e7d\u503c\uff0c\u9019\u6a23\u5373\u4f7f\u5169\u500b\u7528\u6236\u7684\u5bc6\u78bc\u76f8\u540c\uff0c\u5176MD5\u54c8\u5e0c\u503c\u4e5f\u6703\u4e0d\u540c\u3002<\/li>\n<li><strong>\u5b9a\u671f\u66f4\u65b0\u52a0\u5bc6\u7b97\u6cd5\uff1a <\/strong>\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u5b9a\u671f\u8a55\u4f30\u548c\u66f4\u65b0\u52a0\u5bc6\u7b97\u6cd5\u662f\u5fc5\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u591a\u91cd\u54c8\u5e0c\uff1a <\/strong>\u53ef\u4ee5\u5c07MD5\u8207\u5176\u4ed6\u54c8\u5e0c\u7b97\u6cd5\u7d50\u5408\u4f7f\u7528\uff0c\u589e\u52a0\u7834\u89e3\u7684\u96e3\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-nKsJZKafPt\">\u7d50\u8ad6<\/h2>\n<p>MD5\u52a0\u5bc6\u6280\u8853\u5728DB2\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u9ad8\u6548\u7684\u6578\u64da\u4fdd\u8b77\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u7531\u65bc\u5176\u56fa\u6709\u7684\u5b89\u5168\u6027\u554f\u984c\uff0c\u5efa\u8b70\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7d50\u5408\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002\u5c0d\u65bc\u9700\u8981\u66f4\u9ad8\u5b89\u5168\u6027\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528\u66f4\u5148\u9032\u7684\u52a0\u5bc6\u6280\u8853\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u5eab\u5b89\u5168\u548c\u5176\u4ed6\u6280\u8853\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\uff0c\u52a9\u60a8\u4fdd\u8b77\u60a8\u7684\u6578\u64da\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u6578\u64da\u5eab\u4e2dMD5\u52a0\u5bc6\u6280\u8853\u7684\u5be6\u73fe\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u53ef\u9760\uff0c\u63d0\u5347\u7cfb\u7d71\u9632\u8b77\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60791","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60791"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60791\/revisions"}],"predecessor-version":[{"id":60792,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60791\/revisions\/60792"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}