{"id":2089,"date":"2024-01-08T11:14:19","date_gmt":"2024-01-08T03:14:19","guid":{"rendered":"https:\/\/sanlangcode.com\/?p=2089"},"modified":"2024-01-08T11:14:19","modified_gmt":"2024-01-08T03:14:19","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3openssl%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e9%ab%98%e7%ba%a7%e5%ba%94%e7%94%a8%e3%80%90%e8%bd%ac%e3%80%91","status":"publish","type":"post","link":"https:\/\/sanlangcode.com\/index.php\/2024\/01\/08\/%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3openssl%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e9%ab%98%e7%ba%a7%e5%ba%94%e7%94%a8%e3%80%90%e8%bd%ac%e3%80%91\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3OpenSSL\uff1a\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u5e94\u7528\u3010\u8f6c\u3011"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_0\">1. \u5f15\u8a00<\/h2>\n\n\n\n<p>\u5728\u63a2\u7d22OpenSSL\u7684\u4e16\u754c\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u6c89\u6d78\u5728\u4e00\u4e2a\u66f4\u5e7f\u9614\u7684\u80cc\u666f\u4e2d\u3002\u6b63\u5982\u54f2\u5b66\u5bb6\u67cf\u62c9\u56fe\u5728\u300a\u7406\u60f3\u56fd\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u77e5\u8bc6\u7684\u5149\u8f89\u7167\u4eae\u4e86\u7075\u9b42\u3002\u201d \u8fd9\u53e5\u8bdd\u4e0d\u4ec5\u9002\u7528\u4e8e\u5bf9\u4eba\u7c7b\u667a\u6167\u7684\u8ffd\u6c42\uff0c\u4e5f\u540c\u6837\u9002\u7528\u4e8e\u6211\u4eec\u5bf9\u6280\u672f\u6df1\u5c42\u6b21\u7406\u89e3\u7684\u6e34\u671b\u3002OpenSSL\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u7684\u52a0\u5bc6\u5e93\uff0c\u63d0\u4f9b\u4e86\u5b89\u5168\u901a\u4fe1\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u5b83\u5c31\u50cf\u662f\u7f51\u7edc\u4e16\u754c\u4e2d\u4fdd\u62a4\u6570\u636e\u4e0d\u53d7\u4fb5\u72af\u7684\u76fe\u724c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_1\">1.1 OpenSSL\u7b80\u4ecb<\/h2>\n\n\n\n<p>OpenSSL\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u52a0\u5bc6\u5e93\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e92\u8054\u7f51\u7684\u5404\u4e2a\u89d2\u843d\uff0c\u7528\u4e8e\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u3002\u5b83\u5b9e\u73b0\u4e86SSL\u548cTLS\u534f\u8bae\uff0c\u8fd9\u4e9b\u534f\u8bae\u662f\u73b0\u4ee3\u7f51\u7edc\u5b89\u5168\u7684\u57fa\u77f3\u3002\u5728\u8fd9\u4e2a\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u6570\u636e\u5b89\u5168\u5df2\u7ecf\u6210\u4e3a\u4e86\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u8bdd\u9898\u3002\u5c31\u50cf\u5fc3\u7406\u5b66\u5bb6\u5f17\u6d1b\u4f0a\u5fb7\u5728\u300a\u68a6\u7684\u89e3\u6790\u300b\u4e2d\u6240\u63a2\u8ba8\u7684\u6f5c\u610f\u8bc6\u4e00\u6837\uff0cOpenSSL\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u626e\u6f14\u7740\u4e00\u4e2a\u4e0d\u4e3a\u4eba\u77e5\u4f46\u53c8\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_2\">1.2 \u52a0\u5bc6\u901a\u4fe1\u7684\u91cd\u8981\u6027<\/h2>\n\n\n\n<p>\u5728\u6570\u5b57\u4e16\u754c\u4e2d\uff0c\u52a0\u5bc6\u901a\u4fe1\u5c31\u50cf\u662f\u4e00\u9053\u9632\u7ebf\uff0c\u4fdd\u62a4\u7740\u6211\u4eec\u7684\u9690\u79c1\u548c\u5b89\u5168\u3002\u5b83\u9632\u6b62\u4e86\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u7a83\u53d6\u6216\u7be1\u6539\uff0c\u5c31\u50cf\u662f\u7ed9\u6211\u4eec\u7684\u901a\u4fe1\u52a0\u4e0a\u4e86\u4e00\u5c42\u4e0d\u53ef\u89c1\u7684\u76d4\u7532\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cOpenSSL\u63d0\u4f9b\u4e86\u5fc5\u8981\u7684\u5de5\u5177\u548c\u534f\u8bae\uff0c\u4f7f\u5f97\u8fd9\u5c42\u9632\u62a4\u53d8\u5f97\u53ef\u80fd\u3002\u6b63\u5982\u5b59\u5b50\u5728\u300a\u5b59\u5b50\u5175\u6cd5\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u77e5\u5df1\u77e5\u5f7c\uff0c\u767e\u6218\u4e0d\u6b86\u3002\u201d \u7406\u89e3OpenSSL\uff0c\u5c31\u662f\u5728\u7f51\u7edc\u5b89\u5168\u6218\u573a\u4e0a\u4e86\u89e3\u81ea\u5df1\u7684\u76d4\u7532\u548c\u654c\u4eba\u7684\u5f31\u70b9\u3002<\/p>\n\n\n\n<p>\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8OpenSSL\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\uff0c\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u5e94\u7528\uff0c\u4ece\u800c\u5168\u9762\u7406\u89e3\u8fd9\u4e2a\u5f3a\u5927\u5de5\u5177\u7684\u5185\u5728\u5de5\u4f5c\u539f\u7406\u3002\u6211\u4eec\u5c06\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u3001\u5e95\u5c42\u539f\u7406\u5206\u6790\u548c\u591a\u89d2\u5ea6\u5bf9\u6bd4\uff0c\u5e26\u60a8\u8d70\u8fdbOpenSSL\u7684\u4e16\u754c\uff0c\u63ed\u5f00\u5b83\u795e\u79d8\u7684\u9762\u7eb1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_3\">2. OpenSSL\u57fa\u7840 (OpenSSL Basics)<\/h2>\n\n\n\n<p>\u5728\u63a2\u7d22OpenSSL\u7684\u4e16\u754c\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u4ece\u57fa\u7840\u5f00\u59cb\u3002\u6b63\u5982\u5b54\u5b50\u5728\u300a\u8bba\u8bed\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u77e5\u4e4b\u8005\u4e0d\u5982\u597d\u4e4b\u8005\uff0c\u597d\u4e4b\u8005\u4e0d\u5982\u4e50\u4e4b\u8005\u3002\u201d\uff08&#8221;Those who know are not as good as those who love it; those who love it are not as good as those who take joy in it.&#8221;\uff09\u8fd9\u53e5\u8bdd\u63d0\u9192\u6211\u4eec\uff0c\u5bf9\u77e5\u8bc6\u7684\u8ffd\u6c42\u4e0d\u4ec5\u4ec5\u662f\u7406\u89e3\uff0c\u66f4\u662f\u4eab\u53d7\u5176\u4e2d\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_4\">2.1. OpenSSL\u6982\u8ff0 (Overview of OpenSSL)<\/h2>\n\n\n\n<p>OpenSSL\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5f00\u6e90\u5de5\u5177\uff0c\u7528\u4e8e\u5b9e\u73b0SSL\u548cTLS\u534f\u8bae\uff0c\u4fdd\u969c\u7f51\u7edc\u901a\u4fe1\u7684\u5b89\u5168\u3002\u5b83\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u52a0\u5bc6\u5e93\uff0c\u8fd8\u5305\u62ec\u4e86\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u8bc1\u4e66\u3001\u751f\u6210\u5bc6\u94a5\u3001\u6d4b\u8bd5SSL\/TLS\u8fde\u63a5\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_5\">2.1.1. \u4e3b\u8981\u529f\u80fd (Key Features)<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u52a0\u5bc6\u7b97\u6cd5\u652f\u6301 (Encryption Algorithm Support)<\/strong>: \u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5982RSA\u3001AES\u7b49\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>SSL\/TLS\u534f\u8bae\u5b9e\u73b0 (SSL\/TLS Protocol Implementation)<\/strong>: \u63d0\u4f9bSSL v2\/v3\u548cTLS\u534f\u8bae\u7684\u5b9e\u73b0\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u8bc1\u4e66\u5904\u7406 (Certificate Handling)<\/strong>: \u751f\u6210\u548c\u7ba1\u7406SSL\u8bc1\u4e66\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_6\">2.1.2. \u5e94\u7528\u573a\u666f (Application Scenarios)<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5b89\u5168\u901a\u4fe1 (Secure Communication)<\/strong>: \u7528\u4e8e\u7f51\u7ad9\u3001API\u7b49\u7684\u52a0\u5bc6\u901a\u4fe1\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6570\u636e\u52a0\u5bc6 (Data Encryption)<\/strong>: \u7528\u4e8e\u6587\u4ef6\u3001\u6d88\u606f\u7b49\u7684\u52a0\u5bc6\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_7\">2.2. \u5b89\u88c5\u548c\u914d\u7f6e (Installation and Configuration)<\/h2>\n\n\n\n<p>\u5b89\u88c5OpenSSL\u901a\u5e38\u5f88\u7b80\u5355\uff0c\u5927\u591a\u6570\u64cd\u4f5c\u7cfb\u7edf\u90fd\u63d0\u4f9b\u4e86\u9884\u7f16\u8bd1\u7684\u5305\u3002\u4f8b\u5982\uff0c\u5728Ubuntu\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528<code>apt-get install openssl<\/code>\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_8\">2.2.1. \u5b89\u88c5\u6b65\u9aa4 (Installation Steps)<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>\u66f4\u65b0\u5305\u5217\u8868\uff1a<code>sudo apt-get update<\/code><\/li><\/ol>\n\n\n\n<ol class=\"wp-block-list\"><li>\u5b89\u88c5OpenSSL\uff1a<code>sudo apt-get install openssl<\/code><\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_9\">2.2.2. \u914d\u7f6e\u68c0\u67e5 (Configuration Check)<\/h3>\n\n\n\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c<code>openssl version<\/code>\u6765\u9a8c\u8bc1\u5b89\u88c5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_10\">2.3. \u57fa\u672c\u6982\u5ff5\u548c\u672f\u8bed (Basic Concepts and Terminology)<\/h2>\n\n\n\n<p>\u5728\u6df1\u5165OpenSSL\u4e4b\u524d\uff0c\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u662f\u5fc5\u8981\u7684\u3002\u8fd9\u5c31\u50cf\u5b66\u4e60\u4e00\u95e8\u65b0\u8bed\u8a00\uff0c\u4e86\u89e3\u5176\u8bed\u6cd5\u548c\u8bcd\u6c47\u662f\u7406\u89e3\u6df1\u5c42\u542b\u4e49\u7684\u524d\u63d0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_11\">2.3.1. SSL\/TLS (SSL\/TLS)<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>SSL (Secure Sockets Layer)<\/strong>: \u4e00\u79cd\u5b89\u5168\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e92\u8054\u7f51\u4e0a\u63d0\u4f9b\u52a0\u5bc6\u901a\u4fe1\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>TLS (Transport Layer Security)<\/strong>: SSL\u7684\u7ee7\u627f\u8005\uff0c\u63d0\u4f9b\u66f4\u5f3a\u7684\u5b89\u5168\u6027\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_12\">2.3.2. \u52a0\u5bc6\u5bc6\u94a5 (Encryption Keys)<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u516c\u94a5 (Public Key)<\/strong>: \u7528\u4e8e\u52a0\u5bc6\u6570\u636e\uff0c\u53ef\u4ee5\u516c\u5f00\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u79c1\u94a5 (Private Key)<\/strong>: \u7528\u4e8e\u89e3\u5bc6\u6570\u636e\uff0c\u5fc5\u987b\u4fdd\u5bc6\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_13\">2.3.3. \u8bc1\u4e66 (Certificates)<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6570\u5b57\u8bc1\u4e66 (Digital Certificate)<\/strong>: \u7528\u4e8e\u9a8c\u8bc1\u5b9e\u4f53\u8eab\u4efd\u7684\u7535\u5b50\u6587\u4ef6\u3002<\/li><\/ul>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u53ea\u662f\u89e6\u53ca\u4e86OpenSSL\u7684\u8868\u9762\u3002\u4f46\u6b63\u5982\u300a\u9053\u5fb7\u7ecf\u300b\u6240\u8bf4\uff1a\u201c\u5343\u91cc\u4e4b\u884c\uff0c\u59cb\u4e8e\u8db3\u4e0b\u3002\u201d\uff08&#8221;A journey of a thousand miles begins with a single step.&#8221;\uff09\u8fd9\u4e9b\u57fa\u7840\u77e5\u8bc6\u662f\u6211\u4eec\u6df1\u5165\u63a2\u7d22OpenSSL\u4e16\u754c\u7684\u7b2c\u4e00\u6b65\u3002\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8SSL\/TLS\u534f\u8bae\u3001OpenSSL\u7684\u63a5\u53e3\u4f7f\u7528\u3001\u5e95\u5c42\u901a\u4fe1\u539f\u7406\u7b49\u66f4\u591a\u590d\u6742\u7684\u4e3b\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_14\">3. SSL\/TLS\u534f\u8bae\u7b80\u4ecb<\/h2>\n\n\n\n<p>\u5728\u63a2\u7d22SSL\/TLS\u534f\u8bae\u7684\u4e16\u754c\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u56de\u987e\u4e00\u4e0b\u4eba\u7c7b\u5bf9\u5b89\u5168\u548c\u9690\u79c1\u7684\u6e34\u671b\u3002\u6b63\u5982\u300a\u8bba\u8bed\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u4e0d\u5728\u5176\u4f4d\uff0c\u4e0d\u8c0b\u5176\u653f\u3002\u201d\uff08\u300a\u8bba\u8bed\u00b7\u536b\u7075\u516c\u300b\uff09\uff0c\u8fd9\u53e5\u8bdd\u63d0\u9192\u6211\u4eec\u6bcf\u4e2a\u4eba\u90fd\u6709\u81ea\u5df1\u7684\u9886\u57df\u548c\u79d8\u5bc6\uff0c\u8fd9\u4e9b\u9700\u8981\u88ab\u5c0a\u91cd\u548c\u4fdd\u62a4\u3002\u5728\u6570\u5b57\u901a\u4fe1\u7684\u9886\u57df\uff0cSSL\/TLS\u534f\u8bae\u6b63\u662f\u8fd9\u79cd\u4fdd\u62a4\u7684\u4f53\u73b0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_15\">3.1. SSL\u4e0eTLS\u7684\u533a\u522b<\/h2>\n\n\n\n<p>SSL\uff08Secure Sockets Layer \u5b89\u5168\u5957\u63a5\u5c42\uff09\u548cTLS\uff08Transport Layer Security \u4f20\u8f93\u5c42\u5b89\u5168\uff09\u662f\u4fdd\u62a4\u7f51\u7edc\u901a\u4fe1\u5b89\u5168\u7684\u534f\u8bae\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>SSL<\/strong>&nbsp;\u662f\u65e9\u671f\u7684\u52a0\u5bc6\u534f\u8bae\uff0c\u7531\u7f51\u666f\u516c\u53f8\u5f00\u53d1\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u5b83\u7684\u5b89\u5168\u6027\u9010\u6e10\u964d\u4f4e\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>TLS<\/strong>&nbsp;\u662fSSL\u7684\u7ee7\u4efb\u8005\uff0c\u63d0\u4f9b\u4e86\u66f4\u5f3a\u7684\u5b89\u5168\u6027\u548c\u66f4\u9ad8\u6548\u7684\u6027\u80fd\u3002<\/li><\/ul>\n\n\n\n<p>\u6b63\u5982\u300a\u9053\u5fb7\u7ecf\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u4e0a\u5584\u82e5\u6c34\u3002\u201d\uff08\u300a\u9053\u5fb7\u7ecf\u00b7\u7b2c\u516b\u7ae0\u300b\uff09\uff0c\u6c34\u80fd\u9002\u5e94\u5f62\u72b6\u800c\u4e0d\u5931\u5176\u672c\u8d28\uff0cTLS\u6b63\u662f\u5728\u4fdd\u6301SSL\u539f\u6709\u76ee\u7684\u7684\u57fa\u7840\u4e0a\uff0c\u4e0d\u65ad\u8fdb\u5316\u548c\u6539\u8fdb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_16\">3.2. \u63e1\u624b\u8fc7\u7a0b\u89e3\u6790<\/h2>\n\n\n\n<p>SSL\/TLS\u63e1\u624b\u662f\u5efa\u7acb\u52a0\u5bc6\u901a\u4fe1\u7684\u5173\u952e\u6b65\u9aa4\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u591a\u4e2a\u9636\u6bb5\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u534f\u8bae\u7248\u672c\u534f\u5546<\/strong>\uff1a\u786e\u5b9a\u4f7f\u7528\u54ea\u4e2a\u7248\u672c\u7684SSL\/TLS\u3002<\/li><\/ol>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u5bc6\u94a5\u4ea4\u6362<\/strong>\uff1a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4ea4\u6362\u5bc6\u94a5\u4fe1\u606f\uff0c\u786e\u4fdd\u53cc\u65b9\u90fd\u80fd\u52a0\u5bc6\u548c\u89e3\u5bc6\u4fe1\u606f\u3002<\/li><\/ol>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u8bc1\u4e66\u9a8c\u8bc1<\/strong>\uff1a\u5ba2\u6237\u7aef\u9a8c\u8bc1\u670d\u52a1\u5668\u7684\u8eab\u4efd\uff0c\u786e\u4fdd\u901a\u4fe1\u5b89\u5168\u3002<\/li><\/ol>\n\n\n\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u50cf\u662f\u4e24\u4e2a\u964c\u751f\u4eba\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u9a8c\u8bc1\u6765\u5efa\u7acb\u4fe1\u4efb\uff0c\u6b63\u5982\u300a\u5b5f\u5b50\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u4e0d\u4fe1\u4e0d\u7acb\u3002\u201d\uff08\u300a\u5b5f\u5b50\u00b7\u544a\u5b50\u4e0b\u300b\uff09\uff0c\u5efa\u7acb\u901a\u4fe1\u7684\u53cc\u65b9\u5fc5\u987b\u901a\u8fc7\u76f8\u4e92\u9a8c\u8bc1\u6765\u5efa\u7acb\u4fe1\u4efb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_17\">3.3. \u52a0\u5bc6\u7b97\u6cd5\u548c\u5bc6\u94a5\u4ea4\u6362<\/h2>\n\n\n\n<p>\u5728SSL\/TLS\u4e2d\uff0c\u52a0\u5bc6\u7b97\u6cd5\u548c\u5bc6\u94a5\u4ea4\u6362\u662f\u4fdd\u8bc1\u6570\u636e\u5b89\u5168\u7684\u6838\u5fc3\u3002\u8fd9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5bf9\u79f0\u52a0\u5bc6<\/strong>\uff1a\u53cc\u65b9\u5171\u4eab\u4e00\u4e2a\u5bc6\u94a5\uff0c\u7528\u4e8e\u52a0\u5bc6\u548c\u89e3\u5bc6\u4fe1\u606f\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u975e\u5bf9\u79f0\u52a0\u5bc6<\/strong>\uff1a\u4f7f\u7528\u4e00\u5bf9\u516c\u94a5\u548c\u79c1\u94a5\uff0c\u5176\u4e2d\u4e00\u4e2a\u7528\u4e8e\u52a0\u5bc6\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u89e3\u5bc6\u3002<\/li><\/ul>\n\n\n\n<p>\u8fd9\u79cd\u52a0\u5bc6\u65b9\u5f0f\u5c31\u50cf\u662f\u53e4\u4ee3\u7684\u541b\u5b50\u4e4b\u4ea4\uff0c\u6b63\u5982\u300a\u8bba\u8bed\u300b\u6240\u8bf4\uff1a\u201c\u541b\u5b50\u4e4b\u4ea4\u6de1\u5982\u6c34\u3002\u201d\uff08\u300a\u8bba\u8bed\u00b7\u5b50\u7f55\u300b\uff09\uff0c\u867d\u7136\u4ea4\u6d41\u7b80\u5355\uff0c\u4f46\u4fdd\u6301\u7740\u5f7c\u6b64\u7684\u5c0a\u91cd\u548c\u4fdd\u5bc6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_18\">4. OpenSSL\u63a5\u53e3\u548c\u4f7f\u7528<\/h2>\n\n\n\n<p>\u5728\u8fd9\u4e00\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8OpenSSL\u7684\u63a5\u53e3\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u540c\u65f6\u878d\u5165\u5bf9\u4eba\u7c7b\u601d\u7ef4\u548c\u5b58\u5728\u7684\u6df1\u5ea6\u89c1\u89e3\uff0c\u5e2e\u52a9\u8bfb\u8005\u4ece\u4e0d\u540c\u89d2\u5ea6\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_19\">4.1 \u521b\u5efaSSL\u4e0a\u4e0b\u6587<\/h2>\n\n\n\n<p>\u521b\u5efaSSL\u4e0a\u4e0b\u6587\uff08SSL Context\uff09\u662f\u5efa\u7acb\u5b89\u5168\u901a\u4fe1\u7684\u7b2c\u4e00\u6b65\u3002\u5b83\u662f\u4e00\u4e2a\u6846\u67b6\uff0c\u7528\u4e8e\u7ba1\u7406SSL\/TLS\u534f\u8bae\u7684\u8bbe\u7f6e\u548c\u64cd\u4f5c\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u4e0d\u4ec5\u662f\u5728\u914d\u7f6e\u6280\u672f\u53c2\u6570\uff0c\u5b9e\u9645\u4e0a\u4e5f\u5728\u6784\u5efa\u4e00\u4e2a\u4fe1\u4efb\u7684\u57fa\u7840\u2014\u2014\u6b63\u5982\u300a\u9053\u5fb7\u60c5\u64cd\u8bba\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u4fe1\u4efb\u662f\u6240\u6709\u793e\u4f1a\u4ea4\u5f80\u7684\u57fa\u77f3\u3002\u201d\uff08\u51fa\u81ea\u300a\u9053\u5fb7\u60c5\u64cd\u8bba\u300b\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SSL_CTX *ssl_ctx = SSL_CTX_new(TLS_client_method());\nif (ssl_ctx == NULL) {\n    \/\/ \u5904\u7406\u9519\u8bef\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528&nbsp;<code>SSL_CTX_new<\/code>&nbsp;\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u65b0\u7684SSL\u4e0a\u4e0b\u6587\uff0c\u9009\u62e9&nbsp;<code>TLS_client_method()<\/code>&nbsp;\u4f5c\u4e3a\u901a\u4fe1\u65b9\u6cd5\u3002\u8fd9\u4e2a\u51fd\u6570\u7684\u9009\u62e9\u53cd\u6620\u4e86\u6211\u4eec\u5bf9\u5b89\u5168\u6027\u7684\u9700\u6c42\u548c\u5bf9\u672a\u6765\u7684\u9884\u671f\u3002\u5c31\u50cf\u5728\u4eba\u7c7b\u4ea4\u5f80\u4e2d\uff0c\u6211\u4eec\u9009\u62e9\u4e0d\u540c\u7684\u4ea4\u6d41\u65b9\u5f0f\u6765\u9002\u5e94\u4e0d\u540c\u7684\u73af\u5883\u548c\u76ee\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_20\">4.2 SSL\u4f1a\u8bdd\u7684\u5efa\u7acb\u548c\u7ba1\u7406<\/h2>\n\n\n\n<p>\u4e00\u65e6SSL\u4e0a\u4e0b\u6587\u88ab\u521b\u5efa\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u5efa\u7acb\u548c\u7ba1\u7406SSL\u4f1a\u8bdd\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u7c7b\u4f3c\u4e8e\u5efa\u7acb\u4eba\u9645\u5173\u7cfb\u4e2d\u7684\u76f8\u8bc6\u548c\u6df1\u5165\u4e86\u89e3\u9636\u6bb5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SSL *ssl = SSL_new(ssl_ctx);\nSSL_set_fd(ssl, socket_fd);\nint ret = SSL_connect(ssl);\nif (ret != 1) {\n    \/\/ \u5904\u7406\u8fde\u63a5\u9519\u8bef\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c<code>SSL_new<\/code>&nbsp;\u521b\u5efa\u4e00\u4e2a\u65b0\u7684SSL\u7ed3\u6784\uff0c\u5b83\u4ee3\u8868\u4e86\u4e00\u4e2a\u5177\u4f53\u7684SSL\u4f1a\u8bdd\u3002\u901a\u8fc7&nbsp;<code>SSL_set_fd<\/code>\uff0c\u6211\u4eec\u5c06\u8fd9\u4e2a\u4f1a\u8bdd\u4e0e\u4e00\u4e2a\u5177\u4f53\u7684TCP\u5957\u63a5\u5b57\u5173\u8054\u8d77\u6765\uff0c\u8fd9\u5c31\u50cf\u662f\u5728\u4eba\u9645\u5173\u7cfb\u4e2d\u627e\u5230\u4e00\u4e2a\u5171\u540c\u7684\u8bdd\u9898\u6216\u5174\u8da3\u70b9\u3002<code>SSL_connect<\/code>&nbsp;\u5219\u542f\u52a8\u4e86SSL\u63e1\u624b\u8fc7\u7a0b\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u5145\u6ee1\u4e86\u4fe1\u606f\u4ea4\u6362\u548c\u76f8\u4e92\u9a8c\u8bc1\uff0c\u5c31\u50cf\u4eba\u4eec\u5728\u6df1\u5165\u4ea4\u5f80\u524d\u7684\u76f8\u4e92\u4e86\u89e3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_21\">4.3 \u8bfb\u53d6\u548c\u5199\u5165\u52a0\u5bc6\u6570\u636e<\/h2>\n\n\n\n<p>\u5728SSL\u4f1a\u8bdd\u5efa\u7acb\u4e4b\u540e\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u901a\u8fc7\u8fd9\u4e2a\u4f1a\u8bdd\u8fdb\u884c\u52a0\u5bc6\u6570\u636e\u7684\u8bfb\u53d6\u548c\u5199\u5165\u3002\u8fd9\u4e00\u8fc7\u7a0b\u53ef\u4ee5\u770b\u4f5c\u662f\u5728\u5efa\u7acb\u7684\u4fe1\u4efb\u5173\u7cfb\u4e0a\u8fdb\u884c\u6df1\u5c42\u6b21\u7684\u6c9f\u901a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int bytes = SSL_read(ssl, buffer, sizeof(buffer)); \/\/ \u8bfb\u53d6\u52a0\u5bc6\u6570\u636e\nif (bytes &gt; 0) {\n    \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\n}\n\nbytes = SSL_write(ssl, message, strlen(message)); \/\/ \u53d1\u9001\u52a0\u5bc6\u6570\u636e\nif (bytes &lt;= 0) {\n    \/\/ \u5904\u7406\u53d1\u9001\u9519\u8bef\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c<code>SSL_read<\/code>&nbsp;\u548c&nbsp;<code>SSL_write<\/code>&nbsp;\u5206\u522b\u7528\u4e8e\u8bfb\u53d6\u548c\u53d1\u9001\u52a0\u5bc6\u6570\u636e\u3002\u8fd9\u5c31\u50cf\u5728\u4eba\u9645\u4ea4\u6d41\u4e2d\u7684\u503e\u542c\u548c\u8868\u8fbe\uff0c\u901a\u8fc7\u52a0\u5bc6\u786e\u4fdd\u4e86\u4fe1\u606f\u7684\u5b89\u5168\u6027\u548c\u79c1\u5bc6\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_22\">4.4 \u4f7f\u7528\u793a\u4f8b<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e9b\u63a5\u53e3\u7684\u4f7f\u7528\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u7efc\u5408\u793a\u4f8b\u3002\u8fd9\u4e2a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5728\u5ba2\u6237\u7aef\u7a0b\u5e8f\u4e2d\u4f7f\u7528OpenSSL\u8fdb\u884c\u5b89\u5168\u901a\u4fe1\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u521d\u59cb\u5316SSL\u5e93\nSSL_library_init();\nOpenSSL_add_all_algorithms();\nSSL_load_error_strings();\n\n\/\/ \u521b\u5efaSSL\u4e0a\u4e0b\u6587\nSSL_CTX *ssl_ctx = SSL_CTX_new(TLS_client_method());\nif (ssl_ctx == NULL) {\n    \/\/ \u9519\u8bef\u5904\u7406\n}\n\n\/\/ \u521b\u5efaSSL\u4f1a\u8bdd\nSSL *ssl = SSL_new(ssl_ctx);\nSSL_set_fd(ssl, socket_fd);\n\n\/\/ \u5efa\u7acbSSL\u8fde\u63a5\nif (SSL_connect(ssl) != 1) {\n    \/\/ \u9519\u8bef\u5904\u7406\n}\n\n\/\/ \u4f7f\u7528SSL\u4f1a\u8bdd\u8fdb\u884c\u6570\u636e\u4f20\u8f93\nchar buffer&#91;1024];\nint bytes = SSL_read(ssl, buffer, sizeof(buffer));\nif (bytes &gt; 0) {\n    \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\n}\n\nconst char *message = \"Hello, SSL!\";\nbytes = SSL_write(ssl, message, strlen(message));\nif (bytes &lt;= 0) {\n    \/\/ \u9519\u8bef\u5904\u7406\n}\n\n\/\/ \u6e05\u7406\nSSL_free(ssl);\nSSL_CTX_free(ssl_ctx);\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521d\u59cb\u5316\u4e86SSL\u5e93\uff0c\u7136\u540e\u521b\u5efa\u4e86SSL\u4e0a\u4e0b\u6587\u548c\u4f1a\u8bdd\u3002\u63a5\u7740\uff0c\u6211\u4eec\u901a\u8fc7SSL\u8fde\u63a5\u8fdb\u884c\u4e86\u6570\u636e\u7684\u8bfb\u53d6\u548c\u5199\u5165\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u4ec5\u5c55\u793a\u4e86\u6280\u672f\u7684\u5e94\u7528\uff0c\u4e5f\u53cd\u6620\u4e86\u6211\u4eec\u5728\u5efa\u7acb\u5b89\u5168\u901a\u4fe1\u65f6\u7684\u601d\u8003\u548c\u51b3\u7b56\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_23\">5. \u5e95\u5c42\u901a\u4fe1\u539f\u7406 (Underlying Communication Principles)<\/h2>\n\n\n\n<p>\u5728\u63a2\u7d22OpenSSL\u7684\u4e16\u754c\u65f6\uff0c\u6211\u4eec\u4e0d\u4ec5\u662f\u5728\u5b66\u4e60\u4e00\u79cd\u6280\u672f\uff0c\u66f4\u662f\u5728\u7406\u89e3\u4eba\u7c7b\u5982\u4f55\u901a\u8fc7\u6280\u672f\u6765\u5b9e\u73b0\u5b89\u5168\u548c\u4fe1\u4efb\u3002\u6b63\u5982\u300a\u4eba\u7c7b\u7b80\u53f2\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u4fe1\u4efb\u662f\u6240\u6709\u4eba\u7c7b\u793e\u4f1a\u7684\u57fa\u77f3\u3002\u201d \u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\uff0c\u8fd9\u79cd\u4fe1\u4efb\u662f\u901a\u8fc7\u52a0\u5bc6\u6280\u672f\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_24\">5.1. TCP\/IP\u4e0eSSL\/TLS\u7684\u7ed3\u5408 (Combining TCP\/IP with SSL\/TLS)<\/h2>\n\n\n\n<p>\u5728\u6df1\u5165\u4e86\u89e3SSL\/TLS\u4e0eTCP\/IP\u7684\u7ed3\u5408\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u660e\u767d\uff0c\u8fd9\u4e24\u8005\u7684\u7ed3\u5408\u5b9e\u9645\u4e0a\u662f\u4e00\u79cd\u5c06\u5b89\u5168\u5c42\u5d4c\u5165\u5230\u4f20\u8f93\u5c42\u7684\u5c1d\u8bd5\u3002TCP\/IP\u534f\u8bae\uff08Transmission Control Protocol\/Internet Protocol\uff0c\u4f20\u8f93\u63a7\u5236\u534f\u8bae\/\u7f51\u9645\u534f\u8bae\uff09\u662f\u4e92\u8054\u7f51\u7684\u57fa\u7840\uff0c\u800cSSL\/TLS\uff08Secure Sockets Layer\/Transport Layer Security\uff0c\u5b89\u5168\u5957\u63a5\u5b57\u5c42\/\u4f20\u8f93\u5c42\u5b89\u5168\uff09\u5219\u4e3a\u8fd9\u4e2a\u57fa\u7840\u589e\u6dfb\u4e86\u4e00\u5c42\u5b89\u5168\u4fdd\u62a4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_25\">\u6570\u636e\u5c01\u88c5\u4e0e\u89e3\u5c01\u88c5 (Data Encapsulation and Decapsulation)<\/h3>\n\n\n\n<p>\u5728TCP\/IP\u6a21\u578b\u4e2d\uff0c\u6570\u636e\u5728\u4ece\u5e94\u7528\u5c42\u5411\u4e0b\u4f20\u8f93\u5230\u7f51\u7edc\u5c42\u65f6\uff0c\u4f1a\u7ecf\u5386\u591a\u6b21\u5c01\u88c5\u3002\u6bcf\u4e00\u5c42\u90fd\u4f1a\u6dfb\u52a0\u81ea\u5df1\u7684\u5934\u90e8\u4fe1\u606f\u3002\u800c\u5728SSL\/TLS\u4e2d\uff0c\u52a0\u5bc6\u53d1\u751f\u5728\u5e94\u7528\u5c42\u6570\u636e\u88ab\u4f20\u9012\u5230\u4f20\u8f93\u5c42\u4e4b\u524d\u3002\u8fd9\u610f\u5473\u7740\uff0c\u52a0\u5bc6\u6570\u636e\u88abTCP\u770b\u4f5c\u662f\u666e\u901a\u6570\u636e\u8fdb\u884c\u4f20\u8f93\u3002\u5728\u63a5\u6536\u7aef\uff0c\u6570\u636e\u88abTCP\u5c42\u89e3\u5c01\u88c5\u540e\uff0c\u518d\u7531SSL\/TLS\u5c42\u8fdb\u884c\u89e3\u5bc6\uff0c\u7136\u540e\u4f20\u9012\u7ed9\u5e94\u7528\u5c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_26\">\u5b89\u5168\u63e1\u624b (Secure Handshake)<\/h3>\n\n\n\n<p>SSL\/TLS\u7684\u63e1\u624b\u8fc7\u7a0b\u662f\u5efa\u7acb\u5b89\u5168\u901a\u4fe1\u7684\u5173\u952e\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4ea4\u6362\u5bc6\u94a5\u4fe1\u606f\uff0c\u534f\u5546\u52a0\u5bc6\u7b97\u6cd5\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u50cf\u662f\u4e24\u4e2a\u521d\u6b21\u89c1\u9762\u7684\u4eba\u5728\u5efa\u7acb\u4fe1\u4efb\uff0c\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u4ea4\u6d41\u6765\u786e\u8ba4\u5bf9\u65b9\u7684\u8eab\u4efd\u548c\u610f\u56fe\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_27\">5.2. \u52a0\u5bc6\u548c\u89e3\u5bc6\u8fc7\u7a0b (Encryption and Decryption Process)<\/h2>\n\n\n\n<p>\u52a0\u5bc6\u548c\u89e3\u5bc6\u662fSSL\/TLS\u7684\u6838\u5fc3\u3002\u5b83\u4eec\u4fdd\u8bc1\u4e86\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_28\">\u5bf9\u79f0\u52a0\u5bc6\u4e0e\u975e\u5bf9\u79f0\u52a0\u5bc6 (Symmetric and Asymmetric Encryption)<\/h3>\n\n\n\n<p>SSL\/TLS\u4f7f\u7528\u5bf9\u79f0\u52a0\u5bc6\u548c\u975e\u5bf9\u79f0\u52a0\u5bc6\u7684\u7ed3\u5408\u3002\u975e\u5bf9\u79f0\u52a0\u5bc6\u7528\u4e8e\u63e1\u624b\u9636\u6bb5\u7684\u5bc6\u94a5\u4ea4\u6362\uff0c\u800c\u5bf9\u79f0\u52a0\u5bc6\u5219\u7528\u4e8e\u5b9e\u9645\u7684\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u7ed3\u5408\u5229\u7528\u4e86\u4e24\u79cd\u52a0\u5bc6\u65b9\u6cd5\u7684\u4f18\u70b9\uff1a\u975e\u5bf9\u79f0\u52a0\u5bc6\u7684\u5b89\u5168\u6027\u548c\u5bf9\u79f0\u52a0\u5bc6\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_29\">\u6570\u5b57\u8bc1\u4e66\u548c\u5bc6\u94a5\u4ea4\u6362 (Digital Certificates and Key Exchange)<\/h3>\n\n\n\n<p>\u6570\u5b57\u8bc1\u4e66\u662fSSL\/TLS\u4e2d\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u5b83\u4eec\u7531\u53ef\u4fe1\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784\u7b7e\u53d1\uff0c\u5e76\u5305\u542b\u516c\u94a5\u4fe1\u606f\u3002\u5bc6\u94a5\u4ea4\u6362\u5219\u662f\u5728\u63e1\u624b\u8fc7\u7a0b\u4e2d\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u5efa\u7acb\u4e00\u4e2a\u5171\u4eab\u7684\u79d8\u5bc6\uff0c\u7528\u4e8e\u540e\u7eed\u7684\u5bf9\u79f0\u52a0\u5bc6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_30\">5.3. \u6570\u636e\u5b8c\u6574\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1 (Data Integrity and Authentication)<\/h2>\n\n\n\n<p>SSL\/TLS\u4e0d\u4ec5\u63d0\u4f9b\u52a0\u5bc6\uff0c\u8fd8\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u901a\u4fe1\u53cc\u65b9\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_31\">\u6d88\u606f\u8ba4\u8bc1\u7801 (Message Authentication Code, MAC)<\/h3>\n\n\n\n<p>\u6d88\u606f\u8ba4\u8bc1\u7801\u662f\u4e00\u79cd\u4fdd\u8bc1\u4fe1\u606f\u5b8c\u6574\u6027\u7684\u673a\u5236\u3002\u5b83\u901a\u8fc7\u5bf9\u6bcf\u6761\u6d88\u606f\u9644\u52a0\u4e00\u4e2a\u5b89\u5168\u7684MAC\u6765\u5b9e\u73b0\uff0c\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u672a\u88ab\u7be1\u6539\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_32\">\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236 (Authentication Mechanisms)<\/h3>\n\n\n\n<p>SSL\/TLS\u901a\u8fc7\u4f7f\u7528\u6570\u5b57\u8bc1\u4e66\u6765\u9a8c\u8bc1\u901a\u4fe1\u53cc\u65b9\u7684\u8eab\u4efd\u3002\u8fd9\u5c31\u50cf\u662f\u5728\u7f51\u7edc\u4e16\u754c\u4e2d\u5c55\u793a\u4f60\u7684\u8eab\u4efd\u8bc1\uff0c\u786e\u4fdd\u4f60\u662f\u4f60\u6240\u58f0\u79f0\u7684\u90a3\u4e2a\u4eba\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u8fd9\u4e00\u7ae0\u4e2d\uff0c\u6211\u4eec\u4e0d\u4ec5\u63a2\u8ba8\u4e86SSL\/TLS\u4e0eTCP\/IP\u7684\u7ed3\u5408\uff0c\u8fd8\u6df1\u5165\u4e86\u89e3\u4e86\u52a0\u5bc6\u548c\u89e3\u5bc6\u7684\u8fc7\u7a0b\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u8fd9\u4e9b\u6280\u672f\u6765\u4fdd\u62a4\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u9a8c\u8bc1\u901a\u4fe1\u53cc\u65b9\u7684\u8eab\u4efd\u3002\u8fd9\u4e9b\u90fd\u662f\u6784\u5efa\u7f51\u7edc\u4fe1\u4efb\u7684\u57fa\u77f3\uff0c\u6b63\u5982\u300a\u4eba\u7c7b\u7b80\u53f2\u300b\u4e2d\u6240\u5f3a\u8c03\u7684\u90a3\u6837\uff0c\u4fe1\u4efb\u662f\u6240\u6709\u4eba\u7c7b\u793e\u4f1a\u7684\u57fa\u7840\u3002\u901a\u8fc7\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\uff0c\u6211\u4eec\u4e0d\u4ec5\u5b66\u4e60\u4e86\u5982\u4f55\u4fdd\u62a4\u6570\u636e\uff0c\u66f4\u6df1\u5165\u5730\u7406\u89e3\u4e86\u4eba\u7c7b\u5982\u4f55\u901a\u8fc7\u6280\u672f\u6784\u5efa\u4fe1\u4efb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_33\">6. \u9519\u8bef\u5904\u7406 (Error Handling)<\/h2>\n\n\n\n<p>\u5728\u63a2\u7d22OpenSSL\u7684\u4e16\u754c\u4e2d\uff0c\u9519\u8bef\u5904\u7406\u4e0d\u4ec5\u662f\u6280\u672f\u7684\u6311\u6218\uff0c\u4e5f\u662f\u5bf9\u7a0b\u5e8f\u5458\u5fc3\u7406\u97e7\u6027\u7684\u8003\u9a8c\u3002\u6b63\u5982\u300a\u9053\u5fb7\u7ecf\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u5927\u6210\u82e5\u7f3a\uff0c\u5176\u7528\u4e0d\u5f0a\u3002\u201d\uff08\u300a\u9053\u5fb7\u7ecf\u300b\uff09\uff0c\u8fd9\u53e5\u8bdd\u63d0\u9192\u6211\u4eec\uff0c\u5373\u4f7f\u5728\u770b\u4f3c\u5b8c\u7f8e\u7684\u7cfb\u7edf\u4e2d\uff0c\u4e5f\u5b58\u5728\u7f3a\u9677\uff0c\u800c\u8fd9\u4e9b\u7f3a\u9677\u6b63\u662f\u6211\u4eec\u5b66\u4e60\u548c\u6210\u957f\u7684\u673a\u4f1a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_34\">6.1. \u5e38\u89c1\u9519\u8bef\u7c7b\u578b (Common Types of Errors)<\/h2>\n\n\n\n<p>\u5728\u4f7f\u7528OpenSSL\u65f6\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u9519\u8bef\uff0c\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>**\u914d\u7f6e\u9519\u8bef (Configuration Errors)**\uff1a\u8fd9\u7c7b\u9519\u8bef\u901a\u5e38\u53d1\u751f\u5728\u521d\u59cb\u5316SSL\u73af\u5883\u6216\u52a0\u8f7d\u8bc1\u4e66\u65f6\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>**\u7f51\u7edc\u9519\u8bef (Network Errors)**\uff1a\u5728\u5efa\u7acb\u6216\u7ef4\u6301SSL\u8fde\u63a5\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u9047\u5230\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>**\u534f\u8bae\u9519\u8bef (Protocol Errors)**\uff1a\u8fd9\u4e9b\u9519\u8bef\u6d89\u53ca\u5230SSL\/TLS\u534f\u8bae\u7684\u8fdd\u89c4\u60c5\u51b5\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>**\u8bc1\u4e66\u9519\u8bef (Certificate Errors)**\uff1a\u6d89\u53ca\u8bc1\u4e66\u9a8c\u8bc1\u5931\u8d25\u6216\u8bc1\u4e66\u94fe\u95ee\u9898\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_35\">6.2. \u9519\u8bef\u68c0\u6d4b\u548c\u65e5\u5fd7\u8bb0\u5f55 (Error Detection and Logging)<\/h2>\n\n\n\n<p>\u5728OpenSSL\u4e2d\uff0c\u9519\u8bef\u68c0\u6d4b\u901a\u5e38\u662f\u901a\u8fc7\u68c0\u67e5API\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6765\u5b8c\u6210\u7684\u3002\u4f8b\u5982\uff0c<code>SSL_connect<\/code>&nbsp;\u5728\u5931\u8d25\u65f6\u8fd4\u56de0\u6216\u8d1f\u503c\u3002\u4e00\u65e6\u68c0\u6d4b\u5230\u9519\u8bef\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>ERR_get_error<\/code>&nbsp;\u6765\u83b7\u53d6\u9519\u8bef\u4ee3\u7801\uff0c\u7136\u540e\u4f7f\u7528&nbsp;<code>ERR_error_string<\/code>&nbsp;\u5c06\u5176\u8f6c\u6362\u4e3a\u53ef\u8bfb\u7684\u9519\u8bef\u6d88\u606f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int ret = SSL_connect(ssl);\nif (ret != 1) {\n    unsigned long err = ERR_get_error();\n    LOG(ERROR) &lt;&lt; \"SSL Connect error: \" &lt;&lt; ERR_error_string(err, NULL);\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u4e0d\u4ec5\u4ec5\u662f\u5728\u5904\u7406\u9519\u8bef\uff0c\u66f4\u662f\u5728\u4e0e\u81ea\u5df1\u7684\u4e0d\u786e\u5b9a\u6027\u548c\u7126\u8651\u4f5c\u6597\u4e89\u3002\u5982\u300a\u6c89\u601d\u5f55\u300b\u4e2d\u6240\u8ff0\uff1a\u201c\u4f60\u7684\u5e78\u798f\u53d6\u51b3\u4e8e\u4f60\u7684\u5fc3\u6001\u548c\u5fc3\u5883\uff0c\u800c\u4e0d\u662f\u5916\u754c\u7684\u4e8b\u7269\u3002\u201d\uff08\u300a\u6c89\u601d\u5f55\u300b\uff09\uff0c\u8fd9\u63d0\u9192\u6211\u4eec\u5728\u9762\u5bf9\u7f16\u7a0b\u6311\u6218\u65f6\uff0c\u4fdd\u6301\u51b7\u9759\u548c\u5ba2\u89c2\u7684\u5fc3\u6001\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_36\">6.3. \u5f02\u5e38\u5904\u7406\u7b56\u7565 (Exception Handling Strategies)<\/h2>\n\n\n\n<p>\u5904\u7406OpenSSL\u9519\u8bef\u65f6\uff0c\u4e00\u4e2a\u6709\u6548\u7684\u7b56\u7565\u662f\u4f7f\u7528\u591a\u7ea7\u68c0\u67e5\u673a\u5236\u3002\u9996\u5148\uff0c\u68c0\u67e5\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u7136\u540e\u83b7\u53d6\u5177\u4f53\u7684\u9519\u8bef\u4ee3\u7801\uff0c\u6700\u540e\u6839\u636e\u9519\u8bef\u7c7b\u578b\u91c7\u53d6\u76f8\u5e94\u7684\u6062\u590d\u63aa\u65bd\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u5e2e\u52a9\u6211\u4eec\u5b9a\u4f4d\u95ee\u9898\uff0c\u4e5f\u6559\u4f1a\u6211\u4eec\u5728\u751f\u6d3b\u4e2d\u9762\u5bf9\u56f0\u96be\u65f6\uff0c\u5206\u6b65\u89e3\u51b3\u95ee\u9898\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n<p>\u5728\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u4e0d\u4ec5\u5b66\u4e60\u4e86\u5982\u4f55\u7f16\u5199\u66f4\u5065\u58ee\u7684\u4ee3\u7801\uff0c\u4e5f\u5b66\u4f1a\u4e86\u5982\u4f55\u5728\u9762\u5bf9\u751f\u6d3b\u4e2d\u7684\u6311\u6218\u65f6\u4fdd\u6301\u8010\u5fc3\u548c\u575a\u6301\u3002\u5982\u300a\u8bba\u8bed\u300b\u6240\u8bf4\uff1a\u201c\u77e5\u4e4b\u4e3a\u77e5\u4e4b\uff0c\u4e0d\u77e5\u4e3a\u4e0d\u77e5\uff0c\u662f\u77e5\u4e5f\u3002\u201d\uff08\u300a\u8bba\u8bed\u300b\uff09\uff0c\u8fd9\u53e5\u8bdd\u63d0\u9192\u6211\u4eec\u5728\u9762\u5bf9\u672a\u77e5\u65f6\uff0c\u4fdd\u6301\u8c26\u900a\u548c\u5f00\u653e\u7684\u5fc3\u6001\uff0c\u662f\u83b7\u53d6\u77e5\u8bc6\u548c\u667a\u6167\u7684\u5173\u952e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_37\">\u7b2c7\u7ae0\uff1aOpenSSL\u7248\u672c\u5dee\u5f02<\/h2>\n\n\n\n<p>\u5728\u63a2\u8ba8OpenSSL\u7684\u4e0d\u540c\u7248\u672c\u53ca\u5176\u5dee\u5f02\u65f6\uff0c\u6211\u4eec\u4e0d\u4ec5\u662f\u5728\u8ba8\u8bba\u6280\u672f\u7684\u6f14\u8fdb\uff0c\u4e5f\u662f\u5728\u89c1\u8bc1\u4eba\u7c7b\u667a\u6167\u7684\u79ef\u7d2f\u548c\u4f20\u627f\u3002\u6b63\u5982\u54f2\u5b66\u5bb6\u5361\u5c14\u00b7\u6ce2\u666e\u5c14\u5728\u300a\u5f00\u653e\u793e\u4f1a\u53ca\u5176\u654c\u4eba\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u6211\u4eec\u4e0d\u662f\u4ece\u7ecf\u9a8c\u4e2d\u5b66\u4e60\uff0c\u800c\u662f\u4ece\u7ecf\u9a8c\u4e2d\u7684\u9519\u8bef\u4e2d\u5b66\u4e60\u3002\u201d\uff08&#8221;We do not learn from experience, but from our mistakes in experience.&#8221;\uff09\u8fd9\u53e5\u8bdd\u5728\u8f6f\u4ef6\u5f00\u53d1\u548c\u7248\u672c\u8fed\u4ee3\u7684\u8fc7\u7a0b\u4e2d\u5c24\u4e3a\u8d34\u5207\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_38\">7.1 \u4e3b\u8981\u7248\u672c\u53d8\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_39\">7.1.1 OpenSSL 1.0.x \u5230 1.1.x<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>API\u53d8\u66f4<\/strong>\uff08API Changes\uff09\uff1aOpenSSL 1.1.x\u5f15\u5165\u4e86\u8bb8\u591aAPI\u53d8\u66f4\uff0c\u4ee5\u589e\u5f3a\u5b89\u5168\u6027\u548c\u6613\u7528\u6027\u3002\u4f8b\u5982\uff0c\u8bb8\u591a\u7ed3\u6784\u4f53\u88ab\u5c01\u88c5\u8d77\u6765\uff0c\u4e0d\u518d\u5141\u8bb8\u76f4\u63a5\u8bbf\u95ee\uff0c\u800c\u662f\u901a\u8fc7\u65b0\u7684\u51fd\u6570\u63a5\u53e3\u8fdb\u884c\u64cd\u4f5c\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5185\u5b58\u7ba1\u7406<\/strong>\uff08Memory Management\uff09\uff1a1.1.x\u7248\u672c\u4e2d\uff0c\u5185\u5b58\u7ba1\u7406\u66f4\u52a0\u4e25\u683c\uff0c\u51cf\u5c11\u4e86\u5185\u5b58\u6cc4\u6f0f\u7684\u98ce\u9669\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u9ed8\u8ba4\u8bbe\u7f6e<\/strong>\uff08Default Settings\uff09\uff1a\u9ed8\u8ba4\u8bbe\u7f6e\u66f4\u52a0\u5b89\u5168\uff0c\u4f8b\u5982\u9ed8\u8ba4\u7981\u7528\u4e86\u67d0\u4e9b\u4e0d\u5b89\u5168\u7684\u534f\u8bae\u548c\u52a0\u5bc6\u7b97\u6cd5\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h_667217572_40\">7.1.2 OpenSSL 3.0<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u6027<\/strong>\uff08Modularity and Extensibility\uff09\uff1aOpenSSL 3.0\u5f15\u5165\u4e86\u66f4\u591a\u7684\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u6dfb\u52a0\u6216\u66ff\u6362\u52a0\u5bc6\u7b97\u6cd5\u66f4\u52a0\u5bb9\u6613\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u63d0\u4f9b\u8005\u67b6\u6784<\/strong>\uff08Provider Architecture\uff09\uff1a\u8fd9\u662f\u4e00\u4e2a\u65b0\u7684\u6982\u5ff5\uff0c\u5141\u8bb8\u66f4\u7075\u6d3b\u5730\u5904\u7406\u4e0d\u540c\u7684\u52a0\u5bc6\u5b9e\u73b0\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_41\">7.2 \u5411\u540e\u517c\u5bb9\u6027\u95ee\u9898<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>API\u517c\u5bb9\u6027<\/strong>\uff08API Compatibility\uff09\uff1a\u65b0\u7248\u672c\u4e2d\u7684API\u53d8\u66f4\u53ef\u80fd\u5bfc\u81f4\u65e7\u4ee3\u7801\u65e0\u6cd5\u76f4\u63a5\u7f16\u8bd1\u6216\u8fd0\u884c\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u884c\u4e3a\u53d8\u5316<\/strong>\uff08Behavioral Changes\uff09\uff1a\u9ed8\u8ba4\u884c\u4e3a\u7684\u53d8\u5316\u53ef\u80fd\u4f1a\u5f71\u54cd\u4f9d\u8d56\u7279\u5b9a\u884c\u4e3a\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_42\">7.3 \u5b89\u5168\u66f4\u65b0\u548c\u8865\u4e01<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5b89\u5168\u6f0f\u6d1e\u4fee\u590d<\/strong>\uff08Security Vulnerability Fixes\uff09\uff1a\u6bcf\u4e2a\u7248\u672c\u90fd\u4f1a\u4fee\u590d\u4e00\u4e9b\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e\u3002<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u8865\u4e01\u7b56\u7565<\/strong>\uff08Patch Policy\uff09\uff1aOpenSSL\u9879\u76ee\u901a\u5e38\u53ea\u5bf9\u6700\u65b0\u7684\u51e0\u4e2a\u7248\u672c\u63d0\u4f9b\u5b89\u5168\u8865\u4e01\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_43\">\u7b2c8\u7ae0\uff1a\u9ad8\u7ea7\u7528\u6cd5\u548c\u6280\u5de7<\/h2>\n\n\n\n<p>\u5728\u63a2\u7d22OpenSSL\u7684\u6df1\u5c42\u6b21\u5e94\u7528\u65f6\uff0c\u6211\u4eec\u4e0d\u4ec5\u662f\u5728\u5b66\u4e60\u6280\u672f\uff0c\u66f4\u662f\u5728\u7406\u89e3\u4eba\u7c7b\u5bf9\u5b89\u5168\u548c\u6548\u7387\u7684\u4e0d\u61c8\u8ffd\u6c42\u3002\u6b63\u5982\u300a\u9053\u5fb7\u7ecf\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u5927\u9053\u81f3\u7b80\uff0c\u5927\u97f3\u5e0c\u58f0\u3002\u201d\uff08&#8221;Great truths are often simple, great sounds are often silent.&#8221;\uff09\u8fd9\u53e5\u8bdd\u5728\u6211\u4eec\u63a2\u8ba8OpenSSL\u7684\u9ad8\u7ea7\u7528\u6cd5\u65f6\u5c24\u4e3a\u8d34\u5207\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_44\">8.1 \u6027\u80fd\u4f18\u5316 (Performance Optimization)<\/h2>\n\n\n\n<p>\u5728\u6027\u80fd\u4f18\u5316\u65b9\u9762\uff0cOpenSSL\u63d0\u4f9b\u4e86\u591a\u79cd\u673a\u5236\u6765\u63d0\u5347\u52a0\u5bc6\u64cd\u4f5c\u7684\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u786c\u4ef6\u52a0\u901f\uff08Hardware acceleration\uff09\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u52a0\u5bc6\u548c\u89e3\u5bc6\u7684\u901f\u5ea6\u3002\u8fd9\u662f\u901a\u8fc7\u5229\u7528\u7279\u5b9a\u786c\u4ef6\uff08\u5982AES-NI\u6307\u4ee4\u96c6\uff09\u6765\u6267\u884c\u52a0\u5bc6\u7b97\u6cd5\u5b9e\u73b0\u7684\u3002\u5728\u4ee3\u7801\u5c42\u9762\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684API\u6765\u542f\u7528\u8fd9\u4e9b\u529f\u80fd\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u793a\u4f8b\uff1a\u542f\u7528AES-NI\u786c\u4ef6\u52a0\u901f\nif (EVP_has_aes_hardware()) {\n    \/\/ \u4f7f\u7528\u786c\u4ef6\u52a0\u901f\u7684AES\u52a0\u5bc6\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u79cd\u4f18\u5316\u4e0d\u4ec5\u4f53\u73b0\u4e86\u6280\u672f\u7684\u8fdb\u6b65\uff0c\u4e5f\u53cd\u6620\u4e86\u4eba\u7c7b\u5bf9\u6548\u7387\u7684\u4e0d\u65ad\u8ffd\u6c42\u3002\u5982\u540c\u300a\u8bba\u8bed\u300b\u4e2d\u5b54\u5b50\u6240\u8bf4\uff1a\u201c\u5de5\u6b32\u5584\u5176\u4e8b\uff0c\u5fc5\u5148\u5229\u5176\u5668\u3002\u201d\uff08&#8221;To do a good job, an artisan needs the best tools.&#8221;\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_45\">8.2 \u81ea\u5b9a\u4e49\u52a0\u5bc6\u7b97\u6cd5 (Customizing Encryption Algorithms)<\/h2>\n\n\n\n<p>OpenSSL\u5141\u8bb8\u7528\u6237\u81ea\u5b9a\u4e49\u52a0\u5bc6\u7b97\u6cd5\uff0c\u8fd9\u4e3a\u5b89\u5168\u901a\u4fe1\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u4e0d\u540c\u7684\u52a0\u5bc6\u7b97\u6cd5\u548c\u6a21\u5f0f\u6765\u521b\u5efa\u4e00\u4e2a\u72ec\u7279\u7684\u52a0\u5bc6\u65b9\u6848\u3002\u5728\u5b9e\u73b0\u81ea\u5b9a\u4e49\u52a0\u5bc6\u7b97\u6cd5\u65f6\uff0c\u6211\u4eec\u4e0d\u4ec5\u9700\u8981\u5173\u6ce8\u5176\u5b89\u5168\u6027\uff0c\u8fd8\u8981\u8003\u8651\u5230\u5176\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u9002\u7528\u6027\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u793a\u4f8b\uff1a\u521b\u5efa\u81ea\u5b9a\u4e49\u52a0\u5bc6\u7b97\u6cd5\nconst EVP_CIPHER *my_cipher = EVP_create_cipher(\/* \u53c2\u6570 *\/);\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u6280\u672f\u4e0e\u521b\u9020\u529b\u7684\u7ed3\u5408\uff0c\u6b63\u5982\u300a\u54c8\u59c6\u96f7\u7279\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u65e0\u9650\u7684\u7a7a\u95f4\uff0c\u627f\u8f7d\u7740\u65e0\u9650\u7684\u521b\u9020\u3002\u201d\uff08&#8221;Infinite space holds infinite possibilities.&#8221;\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_46\">8.3 \u8bc1\u4e66\u7ba1\u7406\u548c\u9a8c\u8bc1 (Certificate Management and Verification)<\/h2>\n\n\n\n<p>\u8bc1\u4e66\u7ba1\u7406\u548c\u9a8c\u8bc1\u662fSSL\/TLS\u901a\u4fe1\u4e2d\u7684\u5173\u952e\u73af\u8282\u3002OpenSSL\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u51fd\u6570\u6765\u5904\u7406\u8bc1\u4e66\uff0c\u5305\u62ec\u8bc1\u4e66\u7684\u52a0\u8f7d\u3001\u9a8c\u8bc1\u548c\u5b58\u50a8\u3002\u4f8b\u5982\uff0c<code>X509_STORE<\/code>\u7528\u4e8e\u5b58\u50a8\u8bc1\u4e66\u94fe\uff0c\u800c<code>X509_verify_cert<\/code>\u7528\u4e8e\u9a8c\u8bc1\u8bc1\u4e66\u7684\u6709\u6548\u6027\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u793a\u4f8b\uff1a\u52a0\u8f7d\u548c\u9a8c\u8bc1\u8bc1\u4e66\nX509_STORE *store = X509_STORE_new();\nX509 *cert = \/* \u52a0\u8f7d\u8bc1\u4e66 *\/;\nint ret = X509_verify_cert(store, cert);\n<\/code><\/pre>\n\n\n\n<p>\u5728\u5904\u7406\u8bc1\u4e66\u65f6\uff0c\u6211\u4eec\u4e0d\u4ec5\u8981\u5173\u6ce8\u6280\u672f\u7ec6\u8282\uff0c\u8fd8\u8981\u7406\u89e3\u5176\u80cc\u540e\u7684\u4fe1\u4efb\u673a\u5236\u3002\u6b63\u5982\u300a\u5c0f\u738b\u5b50\u300b\u4e2d\u6240\u8bf4\uff1a\u201c\u773c\u775b\u662f\u770b\u4e0d\u89c1\u7684\uff0c\u5fc5\u987b\u7528\u5fc3\u53bb\u611f\u53d7\u3002\u201d\uff08&#8221;It is only with the heart that one can see rightly.&#8221;\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h_667217572_47\">8.4 \u591a\u7ebf\u7a0b\u548c\u5f02\u6b65\u64cd\u4f5c (Multithreading and Asynchronous Operations)<\/h2>\n\n\n\n<p>\u5728\u591a\u7ebf\u7a0b\u548c\u5f02\u6b65\u64cd\u4f5c\u65b9\u9762\uff0cOpenSSL\u63d0\u4f9b\u4e86\u652f\u6301\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u4f7f\u7528OpenSSL\u9700\u8981\u8fdb\u884c\u9002\u5f53\u7684\u7ebf\u7a0b\u5b89\u5168\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u8bbe\u7f6e\u9501\u56de\u8c03\u51fd\u6570\u4ee5\u786e\u4fdd\u591a\u7ebf\u7a0b\u4e0b\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u793a\u4f8b\uff1a\u8bbe\u7f6e\u591a\u7ebf\u7a0b\u9501\u56de\u8c03\nCRYPTO_set_locking_callback(my_locking_function);\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u770b\u5230\u4e86\u6280\u672f\u7684\u590d\u6742\u6027\u548c\u7ec6\u817b\u6027\uff0c\u5c31\u50cf\u300a\u767e\u5e74\u5b64\u72ec\u300b\u4e2d\u6240\u63cf\u8ff0\u7684\uff1a\u201c\u771f\u5b9e\u4e16\u754c\u7684\u590d\u6742\u6027\u8fdc\u8fdc\u8d85\u51fa\u4e86\u4eba\u4eec\u7684\u60f3\u8c61\u3002\u201d\uff08&#8221;The complexity of the real world is beyond human imagination.&#8221;\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u5f15\u8a00 \u5728\u63a2\u7d22OpenSSL&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2089","post","type-post","status-publish","format-standard","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/2089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/comments?post=2089"}],"version-history":[{"count":0,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/2089\/revisions"}],"wp:attachment":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/media?parent=2089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/categories?post=2089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/tags?post=2089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}