{"id":717,"date":"2023-10-28T09:44:12","date_gmt":"2023-10-28T01:44:12","guid":{"rendered":""},"modified":"2023-10-28T09:44:12","modified_gmt":"2023-10-28T01:44:12","slug":"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b","status":"publish","type":"post","link":"https:\/\/mushiming.com\/717.html","title":{"rendered":"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b"},"content":{"rendered":"<style><\/style>\n<style data-highlight data-highlight-key=\"juejin\">.markdown-body pre,.markdown-body pre>code.hljs{color:#333;background:#f8f8f8}.hljs-comment,.hljs-quote{color:#998;font-style:italic}.hljs-keyword,.hljs-selector-tag,.hljs-subst{color:#333;font-weight:700}.hljs-literal,.hljs-number,.hljs-tag .hljs-attr,.hljs-template-variable,.hljs-variable{color:teal}.hljs-doctag,.hljs-string{color:#d14}.hljs-section,.hljs-selector-id,.hljs-title{color:#900;font-weight:700}.hljs-subst{font-weight:400}.hljs-class .hljs-title,.hljs-type{color:#458;font-weight:700}.hljs-attribute,.hljs-name,.hljs-tag{color:navy;font-weight:400}.hljs-link,.hljs-regexp{color:#009926}.hljs-bullet,.hljs-symbol{color:#990073}.hljs-built_in,.hljs-builtin-name{color:#0086b3}.hljs-meta{color:#999;font-weight:700}.hljs-deletion{background:#fdd}.hljs-addition{background:#dfd}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}<\/style>\n<h4 data-id=\"heading-0\">\u5bf9\u79f0\u5bc6\u7801<\/h4>\n<p>\u5982Alice\u548cBob\u901a\u8fc7\u4fe1\u4f7f\u4f20\u9012\u4fe1\u4ef6\u8fdb\u884c\u901a\u4fe1\uff0c\u4e3a\u4e86\u9632\u6b62\u4fe1\u4f7f\u770b\u5230\u4fe1\u7684\u5185\u5bb9\u3002 \u5047\u8bbe\u8fd9\u4e2a\u5bc6\u7801\u5b66\u539f\u8bed\u662f\u4e00\u4e2a\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u4e24\u4e2a\u51fd\u6570\u7684\u9ed1\u76d2\u5b50\uff08\u6211\u4eec\u65e0\u6cd5\u770b\u5230\u5b83\u7684\u5185\u90e8\u6784\u9020\uff09<\/p>\n<p><code>ENCRYPT \u548cDECRYPT\u4e92\u4e3a\u9006\u51fd\u6570<\/code><\/p>\n<p>Alice\u5411Bob\u4f20\u9012\u4fe1\u606f\uff1a\u51fd\u6570ENCRPT\u7684\u8f93\u5165\u662fMessage\u548c\u5bc6\u94a5\uff0c\u8f93\u51fa\u662f\u52a0\u5bc6Message<\/p>\n<p>Bob\u6536\u5230Alice\u7684\u4fe1\u606f\uff1a\u51fd\u6570DECRYPT\u7684\u8f93\u5165\u662f\u52a0\u5bc6Message\u548c\u5bc6\u94a5\uff0c\u8f93\u51fa\u662f\u539f\u59cbMessage<\/p>\n<p>\u5728\u5bc6\u7801\u5b66\u4e2d\uff0c\u4f7f\u4e00\u4e2a\u534f\u8bae\u53d8\u5f97\u5b89\u5168\u7684\u5e38\u89c1\u505a\u6cd5\u5c31\u662f\uff1a\u4f7f\u7528\u5bc6\u94a5\u5c06\u6d88\u606f\u8f6c\u53d8\u6210\u566a\u58f0\uff0c\u4f7f\u7ecf\u8fc7\u53d8\u6362\u540e\u7684\u6d88\u606f\u4e0e\u968f\u673a\u6570\u5b57\u5e8f\u5217\u65e0\u6cd5\u533a\u5206\u5f00\u6765\uff0c\u4fe1\u4f7f\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u53ea\u80fd\u63a5\u6536\u5230\u50cf\u566a\u58f0\u4e00\u6837\u7684\u968f\u673a\u6570\u5b57\u5e8f\u5217<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/p3-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/9f50691b0e624207b6a3c1bfaa4611fe~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c1\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5728\u5bf9\u79f0\u52a0\u5bc6\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u540c\u7684\u51fd\u6570\u5f80\u5f80\u91c7\u7528\u76f8\u540c\u7684\u5bc6\u94a5\u3002<\/p>\n<h3 data-id=\"heading-1\">DH\u5bc6\u94a5\u4ea4\u6362<\/h3>\n<p>DH \u4ee3\u8868 Diffie-Hellman\u3002Diffie-Hellman \u7b97\u6cd5\u4f7f\u7528\u6307\u6570\u8ba1\u7b97\u6765\u5f97\u51fa\u76f8\u540c\u7684\u9884\u4e3b\u5bc6\u94a5\u3002\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5404\u81ea\u4e3a\u8ba1\u7b97\u63d0\u4f9b\u4e00\u4e2a\u53c2\u6570\uff0c\u5f53\u5b83\u4eec\u7ec4\u5408\u5728\u4e00\u8d77\u65f6\uff0c\u5b83\u4eec\u4f1a\u5728\u6bcf\u4e00\u4fa7\u4ea7\u751f\u4e0d\u540c\u7684\u8ba1\u7b97\uff0c\u7ed3\u679c\u662f\u76f8\u7b49\u7684<\/p>\n<p>\u751f\u6210\u79c1\u94a5\uff1aAlice\u548cBob\u90fd\u77e5\u9053\u516c\u5171\u5f62\u72b6\u6b63\u65b9\u5f62\uff0cAlice\u62e5\u6709\u7684\u5f62\u72b6\u662f\u4e09\u89d2\u5f62\u53ea\u6709\u4ed6\u81ea\u5df1\u77e5\u9053\uff0cBob\u62e5\u6709\u7684\u5f62\u72b6\u662f\u661f\u5f62\u4e5f\u53ea\u6709\u4ed6\u81ea\u5df1\u77e5\u9053\u3002\u53ea\u6709\u5979\u4eec\u81ea\u5df1\u77e5\u9053\u7684\u5f62\u72b6\u5c31\u662f\u79c1\u94a5\u3002<\/p>\n<p>\u53cc\u65b9\u4ea4\u6362\u516c\u94a5\uff1a\u5f53Alice\u548cBob\u9009\u62e9\u5b8c\u79c1\u94a5\u540e\uff0c\u4ed6\u4eec\u5c31\u5404\u81ea\u5c06\u4ed6\u4eec\u968f\u673a\u9009\u62e9\u7684\u5f62\u72b6\u4e0e\u4ed6\u4eec\u8d77\u521d\u534f\u5546\u7684\u516c\u5171\u5f62\u72b6\uff08\u6b63\u65b9\u5f62\uff09\u7ed3\u5408\u8d77\u6765\u3002\u8fd9\u4e9b\u7ec4\u5408\u4f1a\u4ea7\u751f\u552f\u4e00\u7684\u65b0\u5f62\u72b6\uff0c\u6bcf\u4e2a\u65b0\u5f62\u72b6\u8868\u793a\u4e00\u4e2a\u516c\u94a5(Public Key)\u3002\u516c\u94a5\u5c5e\u4e8e\u516c\u5f00\u4fe1\u606f\uff0c\u56e0\u6b64Alice\u548cBob\u53ef\u4ee5\u76f8\u4e92\u4ea4\u6362\u4ed6\u4eec\u7684\u516c\u94a5\u3002 <img decoding=\"async\" src=\"https:\/\/p9-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/fd747a3955cb42b8a812affc50e03836~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c2\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u53cc\u65b9\u751f\u6210\u5171\u4eab\u5bc6\u94a5\uff1a\u4e3a\u4e86\u751f\u6210\u8fd9\u4e2a\u5bc6\u94a5\uff0c\u53cc\u65b9\u90fd\u5c06\u5bf9\u65b9\u7684\u516c\u94a5\u548c\u81ea\u5df1\u7684\u79c1\u94a5\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u800c\u4e14\u4ec5\u4ec5\u901a\u8fc7\u4e24\u4e2a\u516c\u94a5\u65e0\u6cd5\u751f\u6210\u5171\u4eab\u5bc6\u94a5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/p6-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/623f36e194164ab49bf1eed8480d2576~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c3\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5728\u6d88\u606f\u4f20\u8f93\u7684\u8fc7\u7a0b\u4e2d\uff0c\u653b\u51fb\u8005\u65e0\u6cd5\u901a\u8fc7\u516c\u94a5\u83b7\u53d6\u5230\u79c1\u94a5\u6216\u5171\u4eab\u5bc6\u94a5\u7684\u4fe1\u606f\uff0c\u4f46\u662f\u5f88\u5bb9\u6613\u51fa\u73b0\u6709\u4eba\u4f2a\u88c5\u6210Bob\u7684\u516c\u94a5\uff0c\u5c31\u53ef\u4ee5\u653b\u51fb\u8be5\u534f\u8bae<\/p>\n<h3 data-id=\"heading-2\">\u975e\u5bf9\u79f0\u52a0\u5bc6<\/h3>\n<p>\u975e\u5bf9\u79f0\u52a0\u5bc6\u6709\u4e24\u4e2a\u5bc6\u94a5\u5206\u522b\u662f\u516c\u94a5\u548c\u79c1\u94a5\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u516c\u94a5\u52a0\u5bc6\u53d1\u9001\u7ed9Alice\u7684\u6d88\u606f\uff0c\u800cAlice\u53ef\u4ee5\u7528\u53ea\u6709\u81ea\u5df1\u62e5\u6709\u7684\u79c1\u94a5\u89e3\u5bc6\u6d88\u606f<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/p6-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/73e3b4ea79bd4315b7801840d2f2c77c~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c4\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" > \u7b2c\u4e09\u65b9\u6ca1\u6cd5\u76f4\u63a5\u89c2\u5bdf\u5230\u53d1\u7ed9Alice\u7684\u6d88\u606f \u53ef\u4ee5\u7528\u516c\u94a5\u52a0\u5bc6\u5185\u5bb9\uff0c\u79c1\u94a5\u89e3\u5bc6\uff1b\u4e5f\u53ef\u4ee5\u7528\u79c1\u94a5\u52a0\u5bc6\u5185\u5bb9\uff0c\u7528\u516c\u94a5\u89e3\u5bc6<\/p>\n<h3 data-id=\"heading-3\">\u6570\u5b57\u7b7e\u540d\u548c\u6570\u5b57\u8bc1\u4e66\u3001CA<\/h3>\n<p><strong>\u4f8b1<\/strong><\/p>\n<p>Alice\u60f3\u7ed9Bob\u5199\u4fe1\uff0c\u5979\u5199\u5b8c\u4fe1\u540e\u5148\u7528Hash\u51fd\u6570\uff0c\u751f\u6210\u4fe1\u4ef6\u7684\u6458\u8981\uff08digest\uff09,\u4e4b\u540e\u518d\u7528\u79c1\u94a5\u5bf9digest\u52a0\u5bc6\uff0c\u751f\u6210\u6570\u5b57\u7b7e\u540d\u3002Alice\u5c06\u8fd9\u4e2a\u7b7e\u540d\u9644\u5728\u4fe1\u4ef6\u4e0b\u9762\u3002Bob\u6536\u5230\u540e\u5bf9\u6458\u8981\u540e\u7528\u516c\u94a5\u8fdb\u884c\u89e3\u5bc6\uff0c\u518d\u5bf9\u4fe1\u4ef6\u672c\u8eab\u4f7f\u7528Hash\u51fd\u6570\u5f97\u5230\u7ed3\u679c\uff0c\u5c06\u7ed3\u679c\u4e0e\u6458\u8981\u5bf9\u6bd4\uff0c\u770b\u662f\u5426\u4e00\u81f4\uff0c\u4e00\u81f4\u5219\u8868\u660e\u5185\u5bb9\u6ca1\u6709\u88ab\u4fee\u6539\u8fc7<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/p1-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/deaac5da37c14e80aef88c309fbaa699~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c5\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<blockquote>\n<p>\u95ee\u9898\uff1a\u5982\u679c\u6709\u4eba\u5c06Bob\u7535\u8111\u7684Alice\u516c\u94a5\u66ff\u6362\u6210\u81ea\u5df1\u7684\u516c\u94a5\uff0c\u518d\u7528\u81ea\u5df1\u7684\u79c1\u94a5\u52a0\u5bc6\u5185\u5bb9\uff0c\u5c31\u80fd\u5192\u5145Alice\uff0c\u5982\u4f55\u80fd\u4fdd\u8bc1\u516c\u94a5\u5c31\u662fAlice\u7684\u5462\uff1f<\/p>\n<\/blockquote>\n<p>Alice\u53bb\u627e\"\u8bc1\u4e66\u4e2d\u5fc3\"\uff08certificate authority\uff0c\u7b80\u79f0CA\uff09\uff0c\u4e3a\u516c\u94a5\u505a\u8ba4\u8bc1\u3002\u8bc1\u4e66\u4e2d\u5fc3\u7528\u81ea\u5df1\u7684\u79c1\u94a5\uff0c\u5bf9\u81ea\u5df1\u7684\u516c\u94a5\u548c\u4e00\u4e9b\u76f8\u5173\u4fe1\u606f\u4e00\u8d77\u52a0\u5bc6\uff0c\u751f\u6210\"\u6570\u5b57\u8bc1\u4e66\"\uff08Digital Certificate\uff09\u3002\u4e4b\u540eAlice\u5728\u5199\u4fe1\u7684\u65f6\u5019\u53ea\u8981\u5728\u7b7e\u540d\u7684\u65f6\u5019\u518d\u9644\u52a0\u4e0a\u6570\u5b57\u8bc1\u4e66\u5c31\u53ef\u4ee5\u4e86\u3002Bob\u6536\u5230\u4fe1\u540e\uff0c\u7528CA\u7684\u516c\u94a5\u89e3\u5f00\u6570\u5b57\u8bc1\u4e66\uff0c\u5c31\u53ef\u4ee5\u62ff\u5230Alice\u7684\u516c\u94a5\u4e86\u3002<\/p>\n<p><strong>\u4f8b2<\/strong><\/p>\n<p>Alice\u60f3\u5411David\u8bc1\u660e\u5979\u4fe1\u4efbBob\u3002\u8fd9\u662f\u4e00\u4e2a\u5728\u591a\u65b9\u73af\u5883\u4e2d\u5efa\u7acb\u4fe1\u4efb\u4ee5\u53ca\u975e\u5bf9\u79f0\u5bc6\u7801\u6280\u672f\u4f7f\u7528\u573a\u666f\u7684\u5178\u578b\u4f8b\u5b50\u3002Alice\u901a\u8fc7\u5728\u4e00\u5f20\u5199\u6709\u201cAlice\u4fe1\u4efbBob\u201d\u7684\u7eb8\u4e0a\u7b7e\u540d\u6765\u8868\u660e\u7acb\u573a\uff0c\u5e76\u544a\u8bc9David\uff1aBob\u662f\u53ef\u4ee5\u4fe1\u4efb\u7684\u3002\u5982\u679cDavid\u4fe1\u4efbAlice\u548c\u5979\u7684\u7b7e\u540d\u7b97\u6cd5\uff0c\u90a3\u4e48\u4ed6\u4e5f\u53ef\u4ee5\u9009\u62e9\u4fe1\u4efbBob\u3002<\/p>\n<p>\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4fe1\u606f\u9a8c\u8bc1\u8fd9\u4e2a\u7b7e\u540d\uff1a(1)Alice\u516c\u94a5\uff1b(2)\u5f85\u7b7e\u6d88\u606f\uff1b(3)\u6d88\u606f\u7684\u7b7e\u540d\u3002\u9a8c\u8bc1\u7ed3\u679c\u53ea\u80fd\u662f\u771f\uff08\u7b7e\u540d\u6709\u6548\uff09\u6216\u8005\u5047\uff08\u7b7e\u540d\u65e0\u6548\uff09<\/p>\n<h3 data-id=\"heading-4\"><img decoding=\"async\" src=\"https:\/\/p1-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/99becf1a0b2c45d2b65efc1b617e4e2e~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c6\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c6\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/h3>\n<p>\u5728\u5b9e\u9645\u7684web\u8bf7\u6c42\u8fc7\u7a0b\u4e2d\u5e94\u7528\u6570\u5b57\u8bc1\u4e66\u7684\u5b9e\u4f8b\uff1ahttps\u534f\u8bae<\/p>\n<p>1.\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u51fa\u52a0\u5bc6\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u7528\u81ea\u5df1\u7684\u79c1\u94a5\u52a0\u5bc6\u7f51\u9875\u540e\uff0c\u8fde\u540c\u672c\u8eab\u7684\u6570\u5b57\u8bc1\u4e66\uff0c\u4e00\u8d77\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p>2.\u5ba2\u6237\u7aef\u6536\u5230\u540e\u67e5\u627e\u672c\u5730\u7684\"\u53d7\u4fe1\u4efb\u7684\u6839\u8bc1\u4e66\u9881\u53d1\u673a\u6784\"\u5217\u8868\uff0c\u5ba2\u6237\u7aef\u6839\u636e\u8fd9\u5f20\u5217\u8868\uff0c\u67e5\u770b\u89e3\u5f00\u6570\u5b57\u8bc1\u4e66\u7684\u6839\u516c\u94a5\u662f\u5426\u5728\u5217\u8868\u4e4b\u5185\uff08\u8fd9\u4e2a\u8bc1\u4e66\u662fCA\u673a\u6784\u7528\u81ea\u5df1\u7684\u79c1\u94a5\u52a0\u5bc6\u7684\uff09\u3002\u9a8c\u8bc1\u8bc1\u4e66\u662f\u5426\u88ab\u4fee\u6539\u3002<\/p>\n<p>3.\u5728\u8bc1\u4e66\u672a\u88ab\u4fee\u6539\u7684\u57fa\u7840\u4e0a\u68c0\u67e5\u8bc1\u4e66\u5c5e\u6027\u91cc\u4f7f\u7528\u8005\u7684URL\u548c\u8bf7\u6c42\u7684URL\u662f\u5426\u76f8\u7b49\uff0c\u5982\u679c\u4e0d\u540c\u8bf4\u660e\u8fd9\u5f20\u8bc1\u4e66\u53ef\u80fd\u88ab\u5192\u7528\uff0c\u6d4f\u89c8\u5668\u4f1a\u53d1\u51fa\u8b66\u544a\u3002\u5982\u679c\u6570\u5b57\u8bc1\u4e66\u4e0d\u662f\u7531\u4fe1\u4efb\u673a\u6784\u9881\u53d1\u7684\uff0c\u5c31\u4f1a\u544a\u8b66\u3002\u5982\u679c\u6570\u5b57\u8bc1\u4e66\u662f\u53ef\u9760\u7684\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u4f7f\u7528\u8bc1\u4e66\u4e2d\u7684\u670d\u52a1\u5668\u516c\u94a5\u5bf9\u4fe1\u606f\u52a0\u5bc6\uff0c\u7136\u540e\u4e0e\u670d\u52a1\u5668\u4ea4\u6362\u52a0\u5bc6\u4fe1\u606f\u3002<\/p>\n<p>4.\u5ba2\u6237\u7aef\u968f\u673a\u751f\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5bc6\u94a5\uff0c\u901a\u8fc7\u8bc1\u4e66\u516c\u94a5\u52a0\u5bc6\u6210\u5bc6\u6587\uff0c\u5c06\u5bc6\u6587\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002\u53d1\u9001\u5bc6\u6587\u7684\u65f6\u5019\u4e5f\u4f1a\u5bf9\u6d88\u606f\u5185\u5bb9\u8fdb\u884c\u7b7e\u540d\u64cd\u4f5c\uff0c\u5bf9\u5bc6\u6587\u5185\u5bb9\u8fdb\u884chash\u8ba1\u7b97\u5f97\u5230\u4e00\u4e2ahash\u503c\uff0c\u5c06\u8fd9\u4e2a\u7b7e\u540d\u52a0\u5bc6\u540e\u548c\u6d88\u606f\u5185\u5bb9\u4e00\u8d77\u53d1\u51fa\u53bb\uff0c\u63a5\u6536\u65b9\u63a5\u6536\u5230\u6d88\u606f\u540e\uff0c\u901a\u8fc7\u79c1\u94a5\u89e3\u5bc6\u51fa\u5bc6\u6587\u548c\u7b7e\u540d\u7684hash\u503c\uff0c\u540c\u65f6\u5bf9\u63a5\u53d7\u7684\u6d88\u606f\u5185\u5bb9\u8fdb\u884c\u540c\u6837\u7684\u8ba1\u7b97\u7684\u5230\u53e6\u4e00\u4e2ahash\u503c\uff0c\u901a\u8fc7\u5bf9\u6bd4\u4e24\u4e2ahash\u503c\u5224\u65ad\u5bc6\u6587\u662f\u5426\u88ab\u4fee\u6539\u8fc7\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/p3-juejin.byteimg.com\/tos-cn-i-k3u1fbpfcp\/2bbdc6a8ed9143d786d186617a70002d~tplv-k3u1fbpfcp-zoom-in-crop-mark:1512:0:0:0.awebp?\" =\"image.png\" loading=\"lazy\" alt=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c7\u5f20\" title=\"\u4e00\u6587\u641e\u61c2\u79c1\u94a5\u516c\u94a5\u548c\u6570\u5b57\u8bc1\u4e66\u6570\u5b57\u7b7e\u540d\u3001https\u539f\u7406\u3001tls\u63e1\u624b \u6280\u672f\u535a\u5ba2 \u7b2c7\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h3 data-id=\"heading-5\">TLS\u63e1\u624b<\/h3>\n<p>TLS \u63e1\u624b\u4e2d\u7684\u786e\u5207\u6b65\u9aa4\u5c06\u6839\u636e\u6240\u4f7f\u7528\u7684\u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\u7684\u7c7b\u578b\u548c\u53cc\u65b9\u652f\u6301\u7684\u5bc6\u7801\u5957\u4ef6\u800c\u6709\u6240\u4e0d\u540c\u3002RSA \u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\u867d\u7136\u73b0\u5728\u88ab\u8ba4\u4e3a\u4e0d\u5b89\u5168\uff0c\u4f46\u5728 1.3 \u4e4b\u524d\u7684 TLS \u7248\u672c\u4e2d\u4f7f\u7528\u3002\u5927\u81f4\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<ol>\n<li><strong>'client hello' \u6d88\u606f\uff1a<\/strong> \u5ba2\u6237\u7aef\u901a\u8fc7\u5411\u670d\u52a1\u5668\u53d1\u9001\u201chello\u201d\u6d88\u606f\u6765\u542f\u52a8\u63e1\u624b\u3002\u8be5\u6d88\u606f\u5c06\u5305\u62ec\u5ba2\u6237\u7aef\u652f\u6301\u7684 TLS \u7248\u672c\u3001\u652f\u6301\u7684\u5bc6\u7801\u5957\u4ef6\u4ee5\u53ca\u79f0\u4e3a\u201c\u5ba2\u6237\u7aef\u968f\u673a\u201d\u7684\u968f\u673a\u5b57\u8282\u4e32\u3002<\/li>\n<li><strong>\u201c\u670d\u52a1\u5668\u95ee\u5019\u201d\u6d88\u606f\uff1a<\/strong> \u4f5c\u4e3a\u5bf9\u5ba2\u6237\u7aef\u95ee\u5019\u6d88\u606f\u7684\u56de\u590d\uff0c\u670d\u52a1\u5668\u53d1\u9001\u4e00\u6761\u6d88\u606f\uff0c\u5176\u4e2d\u5305\u542b\u670d\u52a1\u5668\u7684SSL \u8bc1\u4e66\u3001\u670d\u52a1\u5668\u9009\u62e9\u7684\u5bc6\u7801\u5957\u4ef6\u548c\u201c\u670d\u52a1\u5668\u968f\u673a\u201d\uff0c\u8fd9\u662f\u670d\u52a1\u5668\u751f\u6210\u7684\u53e6\u4e00\u4e2a\u968f\u673a\u5b57\u8282\u4e32\u3002<\/li>\n<li><strong>\u8eab\u4efd\u9a8c\u8bc1\uff1a<\/strong> \u5ba2\u6237\u7aef\u901a\u8fc7\u9881\u53d1\u5b83\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784\u9a8c\u8bc1\u670d\u52a1\u5668\u7684 SSL \u8bc1\u4e66\u3002\u8fd9\u786e\u8ba4\u670d\u52a1\u5668\u662f\u5b83\u6240\u8bf4\u7684\u90a3\u4e2a\u4eba\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u6b63\u5728\u4e0e\u57df\u7684\u5b9e\u9645\u6240\u6709\u8005\u4ea4\u4e92\u3002<\/li>\n<li><strong>Premaster secret\uff1a<\/strong> \u5ba2\u6237\u7aef\u518d\u53d1\u9001\u4e00\u4e2a\u968f\u673a\u5b57\u8282\u4e32\uff0c\u5373\u201cpremaster secret\u201d\u3002premaster secret \u7528\u516c\u94a5\u52a0\u5bc6\uff0c\u53ea\u80fd\u7531\u670d\u52a1\u5668\u7528\u79c1\u94a5\u89e3\u5bc6\u3002\uff08\u5ba2\u6237\u7aef\u4ece\u670d\u52a1\u5668\u7684 SSL \u8bc1\u4e66\u4e2d\u83b7\u53d6\u516c\u94a5\u3002\uff09<\/li>\n<li><strong>\u4f7f\u7528\u7684\u79c1\u94a5\uff1a<\/strong> \u670d\u52a1\u5668\u89e3\u5bc6\u9884\u4e3b\u5bc6\u94a5\u3002<\/li>\n<li><strong>\u521b\u5efa\u7684\u4f1a\u8bdd\u5bc6\u94a5\uff1a<\/strong> \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u4ece\u5ba2\u6237\u7aef\u968f\u673a\u6570\u3001\u670d\u52a1\u5668\u968f\u673a\u6570\u548c\u9884\u4e3b\u5bc6\u94a5\u751f\u6210\u4f1a\u8bdd\u5bc6\u94a5\u3002\u4ed6\u4eec\u5e94\u8be5\u5f97\u51fa\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/li>\n<li><strong>\u5ba2\u6237\u7aef\u51c6\u5907\u5c31\u7eea\uff1a<\/strong> \u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u6761\u7528\u4f1a\u8bdd\u5bc6\u94a5\u52a0\u5bc6\u7684\u201c\u5b8c\u6210\u201d\u6d88\u606f\u3002<\/li>\n<li><strong>\u670d\u52a1\u5668\u51c6\u5907\u5c31\u7eea\uff1a<\/strong> \u670d\u52a1\u5668\u53d1\u9001\u4e00\u6761\u7528\u4f1a\u8bdd\u5bc6\u94a5\u52a0\u5bc6\u7684\u201c\u5b8c\u6210\u201d\u6d88\u606f\u3002<\/li>\n<li><strong>\u5b9e\u73b0\u5b89\u5168\u5bf9\u79f0\u52a0\u5bc6\uff1a<\/strong> \u63e1\u624b\u5b8c\u6210\uff0c\u4f7f\u7528\u4f1a\u8bdd\u5bc6\u94a5\u7ee7\u7eed\u901a\u4fe1\u3002<\/li>\n<\/ol>\n<p>\u6240\u6709 TLS \u63e1\u624b\u90fd\u4f7f\u7528\u975e\u5bf9\u79f0\u52a0\u5bc6\uff08\u516c\u94a5\u548c\u79c1\u94a5\uff09\uff0c\u4f46\u5e76\u975e\u6240\u6709\u63e1\u624b\u90fd\u4f1a\u5728\u751f\u6210\u4f1a\u8bdd\u5bc6\u94a5\u7684\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u79c1\u94a5\u3002\u4f8b\u5982\uff0c\u77ed\u6682\u7684 Diffie-Hellman \u63e1\u624b\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li><strong>\u5ba2\u6237\u7aef\u95ee\u5019\uff1a<\/strong> 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