{"id":183796,"date":"2024-11-10T07:48:20","date_gmt":"2024-11-09T23:48:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183796\/"},"modified":"2024-11-10T07:48:21","modified_gmt":"2024-11-09T23:48:21","slug":"%e4%bd%bf%e7%94%a8md5%e5%b0%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%94%a8%e6%88%b6%e8%a1%a8%e9%80%b2%e8%a1%8c%e5%8a%a0%e5%af%86-md5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%94%a8%e6%88%b6%e8%a1%a8%e5%8a%a0%e5%af%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183796\/","title":{"rendered":"\u4f7f\u7528MD5\u5c0d\u6578\u64da\u5eab\u7528\u6236\u8868\u9032\u884c\u52a0\u5bc6 (md5\u6578\u64da\u5eab\u7528\u6236\u8868\u52a0\u5bc6)"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8md5%e5%b0%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%94%a8%e6%88%b6%e8%a1%a8%e9%80%b2%e8%a1%8c%e5%8a%a0%e5%af%86-md5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%94%a8%e6%88%b6%e8%a1%a8%e5%8a%a0%e5%af%86-MXwudbmUHB\">\u4f7f\u7528MD5\u5c0d\u6578\u64da\u5eab\u7528\u6236\u8868\u9032\u884c\u52a0\u5bc6 (md5\u6578\u64da\u5eab\u7528\u6236\u8868\u52a0\u5bc6)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u5b57\u5316\u7684\u6642\u4ee3\uff0c\u6578\u64da\u5b89\u5168\u6027\u6210\u70ba\u4e86\u6bcf\u500b\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u8005\u7684\u9996\u8981\u4efb\u52d9\u3002\u5c24\u5176\u662f\u7528\u6236\u7684\u654f\u611f\u4fe1\u606f\uff0c\u5982\u5bc6\u78bc\uff0c\u5fc5\u9808\u4ee5\u5b89\u5168\u7684\u65b9\u5f0f\u5b58\u5132\uff0c\u4ee5\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002MD5\uff08Message-Digest Algorithm 5\uff09\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u52a0\u5bc6\u54c8\u5e0c\u51fd\u6578\uff0c\u96d6\u7136\u5b83\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u5df2\u88ab\u8a8d\u70ba\u4e0d\u5920\u5b89\u5168\uff0c\u4f46\u4ecd\u7136\u662f\u8a31\u591a\u820a\u7cfb\u7d71\u4e2d\u7528\u65bc\u52a0\u5bc6\u7528\u6236\u5bc6\u78bc\u7684\u5e38\u898b\u9078\u64c7\u3002<\/p>\n<h2 id=\"md5%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-MXwudbmUHB\">MD5\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>MD5\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\u9019\u500b\u904e\u7a0b\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u610f\u5473\u8457\u7121\u6cd5\u5f9e\u54c8\u5e0c\u503c\u4e2d\u6062\u5fa9\u539f\u59cb\u6578\u64da\u3002MD5\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5feb\u901f\u8a08\u7b97\uff1aMD5\u80fd\u5920\u5feb\u901f\u751f\u6210\u54c8\u5e0c\u503c\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n<li>\u56fa\u5b9a\u9577\u5ea6\u8f38\u51fa\uff1a\u7121\u8ad6\u8f38\u5165\u6578\u64da\u7684\u5927\u5c0f\u5982\u4f55\uff0cMD5\u59cb\u7d42\u751f\u6210128\u4f4d\u7684\u54c8\u5e0c\u503c\u3002<\/li>\n<li>\u78b0\u649e\u62b5\u6297\u6027\uff1a\u7406\u8ad6\u4e0a\uff0c\u5169\u500b\u4e0d\u540c\u7684\u8f38\u5165\u4e0d\u61c9\u8a72\u7522\u751f\u76f8\u540c\u7684\u54c8\u5e0c\u503c\uff0c\u4f46\u96a8\u8457\u8a08\u7b97\u80fd\u529b\u7684\u63d0\u9ad8\uff0c\u9019\u4e00\u7279\u6027\u5df2\u7d93\u53d7\u5230\u6311\u6230\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e4%bd%bf%e7%94%a8md5%e5%8a%a0%e5%af%86%e7%94%a8%e6%88%b6%e5%af%86%e7%a2%bc-MXwudbmUHB\">\u5728\u6578\u64da\u5eab\u4e2d\u4f7f\u7528MD5\u52a0\u5bc6\u7528\u6236\u5bc6\u78bc<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7528\u6236\u5bc6\u78bc\u6642\uff0c\u4f7f\u7528MD5\u9032\u884c\u52a0\u5bc6\u662f\u4e00\u500b\u5e38\u898b\u7684\u505a\u6cd5\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728\u6578\u64da\u5eab\u7528\u6236\u8868\u4e2d\u4f7f\u7528MD5\u9032\u884c\u52a0\u5bc6\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-MXwudbmUHB\">1. \u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u7528\u6236\u8868\uff0c\u8a72\u8868\u61c9\u5305\u542b\u7528\u6236\u540d\u548c\u52a0\u5bc6\u5f8c\u7684\u5bc6\u78bc\u5b57\u6bb5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password CHAR(32) NOT NULL\n);<\/code><\/pre>\n<h3 id=\"2-%e5%af%86%e7%a2%bc%e5%8a%a0%e5%af%86-MXwudbmUHB\">2. \u5bc6\u78bc\u52a0\u5bc6<\/h3>\n<p>\u7576\u7528\u6236\u8a3b\u518a\u6642\uff0c\u60a8\u9700\u8981\u5c07\u5176\u5bc6\u78bc\u9032\u884cMD5\u52a0\u5bc6\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u9032\u884c\u52a0\u5bc6\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n$username = $_POST['username'];\n$password = md5($_POST['password']); \/\/ \u4f7f\u7528MD5\u52a0\u5bc6\u5bc6\u78bc\n\n\/\/ \u5c07\u7528\u6236\u540d\u548c\u52a0\u5bc6\u5f8c\u7684\u5bc6\u78bc\u63d2\u5165\u6578\u64da\u5eab\n$sql = \"INSERT INTO users (username, password) VALUES ('$username', '$password')\";\n?&gt;<\/code><\/pre>\n<h3 id=\"3-%e5%af%86%e7%a2%bc%e9%a9%97%e8%ad%89-MXwudbmUHB\">3. \u5bc6\u78bc\u9a57\u8b49<\/h3>\n<p>\u7576\u7528\u6236\u767b\u9304\u6642\uff0c\u60a8\u9700\u8981\u5c07\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>&lt;?php\n$username = $_POST['username'];\n$password = md5($_POST['password']); \/\/ \u5c07\u8f38\u5165\u7684\u5bc6\u78bc\u9032\u884cMD5\u52a0\u5bc6\n\n\/\/ \u67e5\u8a62\u6578\u64da\u5eab\u4ee5\u9a57\u8b49\u7528\u6236\n$sql = \"SELECT * FROM users WHERE username='$username' AND password='$password'\";\n?&gt;<\/code><\/pre>\n<h2 id=\"md5%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-MXwudbmUHB\">MD5\u7684\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5118\u7ba1MD5\u5728\u904e\u53bb\u88ab\u5ee3\u6cdb\u4f7f\u7528\uff0c\u4f46\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u8a31\u591a\u5b89\u5168\u5c08\u5bb6\u5df2\u7d93\u4e0d\u518d\u63a8\u85a6\u4f7f\u7528MD5\u4f86\u5b58\u5132\u5bc6\u78bc\u3002\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u78b0\u649e\u653b\u64ca\uff1a\u96a8\u8457\u8a08\u7b97\u80fd\u529b\u7684\u63d0\u9ad8\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u751f\u6210\u76f8\u540c\u7684MD5\u54c8\u5e0c\u503c\uff0c\u9019\u4f7f\u5f97MD5\u7684\u78b0\u649e\u62b5\u6297\u6027\u53d7\u5230\u8cea\u7591\u3002<\/li>\n<li>\u5b57\u5178\u653b\u64ca\uff1a\u653b\u64ca\u8005\u53ef\u4ee5\u4f7f\u7528\u9810\u5148\u8a08\u7b97\u7684\u54c8\u5e0c\u503c\uff08\u5982\u5f69\u8679\u8868\uff09\u4f86\u7834\u89e3MD5\u52a0\u5bc6\u7684\u5bc6\u78bc\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5efa\u8b70\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u54c8\u5e0c\u7b97\u6cd5\uff0c\u5982SHA-256\u6216bcrypt\uff0c\u9019\u4e9b\u7b97\u6cd5\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u548c\u6297\u78b0\u649e\u80fd\u529b\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-MXwudbmUHB\">\u7d50\u8ad6<\/h2>\n<p>\u96d6\u7136MD5\u5728\u67d0\u4e9b\u820a\u7cfb\u7d71\u4e2d\u4ecd\u7136\u88ab\u4f7f\u7528\uff0c\u4f46\u8003\u616e\u5230\u5176\u5b89\u5168\u6027\u554f\u984c\uff0c\u958b\u767c\u8005\u61c9\u8a72\u8003\u616e\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u52a0\u5bc6\u65b9\u6cd5\u4f86\u4fdd\u8b77\u7528\u6236\u7684\u654f\u611f\u4fe1\u606f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u52a0\u5bc6\u7b97\u6cd5\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c\u6578\u64da\u5b89\u5168\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528MD5\u5c0d\u6578\u64da\u5eab\u7528\u6236\u8868\u9032\u884c\u52a0\u5bc6\uff0c\u4fdd\u8b77\u7528\u6236\u5bc6\u78bc\u5b89\u5168\uff0c\u9632\u6b62\u6578\u64da\u6d29\u9732\uff0c\u63d0\u5347\u7cfb\u7d71\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-183796","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183796","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=183796"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183796\/revisions"}],"predecessor-version":[{"id":183797,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183796\/revisions\/183797"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}