{"id":87430,"date":"2026-07-30T09:32:52","date_gmt":"2026-07-30T01:32:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87430.html"},"modified":"2026-07-30T09:32:52","modified_gmt":"2026-07-30T01:32:52","slug":"tls-%e5%8a%a0%e5%af%86%e9%80%9a%e4%bf%a1%e8%90%bd%e5%9c%b0%e5%ae%9e%e6%93%8d%ef%bc%9a%e4%b8%ba-tcp-%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%9b%86%e6%88%90-mbedtls-%e7%9a%84-7-%e6%ad%a5%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87430.html","title":{"rendered":"TLS \u52a0\u5bc6\u901a\u4fe1\u843d\u5730\u5b9e\u64cd\uff1a\u4e3a TCP \u670d\u52a1\u5668\u96c6\u6210 mbedtls \u7684 7 \u6b65\u5b89\u5168\u52a0\u56fa\u6cd5"},"content":{"rendered":"<h2>TLS \u52a0\u5bc6\u901a\u4fe1\u843d\u5730\u5b9e\u64cd\uff1a\u4e3a TCP \u670d\u52a1\u5668\u96c6\u6210 mbedtls \u7684 7 \u6b65\u5b89\u5168\u52a0\u56fa\u6cd5<\/h2>\n<p>mbedtls\uff08\u524d\u8eab PolarSSL\uff09\u662f\u8f7b\u91cf\u7ea7\u52a0\u5bc6\u5e93\uff0c\u9002\u914d\u5d4c\u5165\u5f0f \/ \u670d\u52a1\u5668\u7aef TCP \u901a\u4fe1\u573a\u666f\uff0c\u4ee5\u4e0b 7 \u6b65\u6d41\u7a0b\u4ece\u73af\u5883\u642d\u5efa\u5230\u5b89\u5168\u52a0\u56fa\uff0c\u5b8c\u6574\u5b9e\u73b0 TCP \u670d\u52a1\u5668\u7684 TLS \u52a0\u5bc6\u6539\u9020\uff0c\u517c\u987e\u6613\u7528\u6027\u4e0e\u5b89\u5168\u6027\u3002<\/p>\n<h3>\u524d\u63d0\u8bf4\u660e<\/h3>\n<ul>\n<li>\u9002\u7528\u573a\u666f\uff1aLinux \/ \u5d4c\u5165\u5f0f Linux TCP \u670d\u52a1\u5668\uff08\u5982\u57fa\u4e8e epoll\/select \u7684\u591a\u5ba2\u6237\u7aef\u670d\u52a1\uff09\uff1b<\/li>\n<li>\u73af\u5883\u4f9d\u8d56\uff1ambedtls-2.x\/3.x \u6e90\u7801\u3001gcc\/g++ \u7f16\u8bd1\u5668\u3001OpenSSL\uff08\u53ef\u9009\uff0c\u7528\u4e8e\u751f\u6210\u8bc1\u4e66\uff09\uff1b<\/li>\n<li>\u6838\u5fc3\u76ee\u6807\uff1a\u5c06\u539f\u6709 \u201c\u660e\u6587 TCP \u901a\u4fe1\u201d \u5347\u7ea7\u4e3a \u201cTLS 1.2\/1.3 \u52a0\u5bc6\u901a\u4fe1\u201d\uff0c\u62b5\u5fa1\u7a83\u542c\u3001\u7be1\u6539\u3001\u4f2a\u9020\u7b49\u653b\u51fb\u3002<\/li>\n<\/ul>\n<p>\u5f00\u59cb\u524d\uff0c\u5148\u641e\u6e05\u695a\u4e00\u4e2a\u95ee\u9898<\/p>\n<p>\u54ea\u4e9b\u8bc1\u4e66\u6216\u968f\u673a\u6570\u662f\u5ba2\u6237\u7aef\u751f\u6210\u6216\u9700\u8981\u7684\uff0c\u54ea\u4e9b\u662f\u670d\u52a1\u7aef\u7684\uff0cCA\u6839\u8bc1\u4e66\u5c5e\u4e8e\u54ea\u7aef\u7684\uff1f<\/p>\n<p>\u8c46\u5305\u56de\u7b54\uff1a<\/p>\n<p>\u5728\u57fa\u4e8e mbedtls \u7684 TLS \u52a0\u5bc6\u901a\u4fe1\u4e2d\uff0c\u8bc1\u4e66\u3001\u79c1\u94a5\u3001\u968f\u673a\u6570&nbsp;\u7684\u5f52\u5c5e\u548c\u804c\u8d23\u5212\u5206\u6e05\u6670\uff0c\u6838\u5fc3\u9075\u5faa\u300cCA \u6839\u8bc1\u4e66\u505a\u4fe1\u4efb\u951a\uff0c\u670d\u52a1\u7aef \/ \u5ba2\u6237\u7aef\u5404\u6709\u4e13\u5c5e\u8eab\u4efd\u51ed\u8bc1\uff0c\u968f\u673a\u6570\u53cc\u65b9\u72ec\u7acb\u751f\u6210\u300d\u7684\u539f\u5219\uff0c\u4ee5\u4e0b\u662f\u8be6\u7ec6\u62c6\u89e3\uff1a<\/p>\n<h4>\u4e00\u3001\u6838\u5fc3\u51ed\u8bc1 \/ \u7ec4\u4ef6\u7684\u5f52\u5c5e\u4e0e\u4f5c\u7528<\/h4>\n<table>\n<tr>\n   \u7c7b\u578b<br \/>\n   \u5f52\u5c5e\u65b9<br \/>\n   \u751f\u6210 \/ \u83b7\u53d6\u65b9\u5f0f<br \/>\n   \u6838\u5fc3\u4f5c\u7528<br \/>\n   \u662f\u5426\u5fc5\u9700<br \/>\n  <\/tr>\n<tbody>\n<tr>\n<td><span style=\"color:#fe2c24\">CA \u6839\u8bc1\u4e66\uff08ca_crt.pem\uff09<\/span><\/td>\n<td><span style=\"color:#fe2c24\">\u5ba2\u6237\u7aef + \u670d\u52a1\u7aef<\/span><\/td>\n<td>\u7531 CA \u673a\u6784\u7b7e\u53d1\uff08\u6d4b\u8bd5\u53ef\u81ea\u7b7e\u540d\uff09<\/td>\n<td>\u4f5c\u4e3a\u300c\u4fe1\u4efb\u951a\u300d\uff0c\u9a8c\u8bc1\u5bf9\u65b9\u8bc1\u4e66\u7684\u5408\u6cd5\u6027\uff08\u5ba2\u6237\u7aef\u9a8c\u670d\u52a1\u5668\u3001\u670d\u52a1\u7aef\u9a8c\u5ba2\u6237\u7aef\uff09<\/td>\n<td>\u5ba2\u6237\u7aef\u5fc5\u9700\uff1b\u670d\u52a1\u7aef\u53ef\u9009\uff08\u53cc\u5411\u8ba4\u8bc1\u65f6\u5fc5\u9700\uff09<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color:#fe2c24\">\u670d\u52a1\u5668\u8bc1\u4e66\uff08server_crt.pem\uff09<\/span><\/td>\n<td><span style=\"color:#fe2c24\">\u670d\u52a1\u7aef<\/span><\/td>\n<td>\u7531 CA \u6839\u8bc1\u4e66\u7b7e\u53d1\uff08OpenSSL \u751f\u6210\uff09<\/td>\n<td>\u670d\u52a1\u7aef\u5411\u5ba2\u6237\u7aef\u8bc1\u660e\u8eab\u4efd\uff0c\u5305\u542b\u516c\u94a5\u3001\u670d\u52a1\u5668\u57df\u540d \/ IP\u3001\u6709\u6548\u671f\u7b49<\/td>\n<td>\u670d\u52a1\u7aef\u5fc5\u9700<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color:#fe2c24\">\u670d\u52a1\u5668\u79c1\u94a5\uff08server_key.pem\uff09<\/span><\/td>\n<td><span style=\"color:#fe2c24\">\u670d\u52a1\u7aef<\/span><\/td>\n<td>\u670d\u52a1\u7aef\u672c\u5730\u751f\u6210\uff08OpenSSL genrsa\uff09<\/td>\n<td>\u670d\u52a1\u7aef\u89e3\u5bc6\u5ba2\u6237\u7aef\u52a0\u5bc6\u7684\u9884\u4e3b\u5bc6\u94a5\u3001\u7b7e\u540d\u63e1\u624b\u4fe1\u606f\uff0c\u4ec5\u670d\u52a1\u7aef\u6301\u6709\uff0c\u7edd\u5bf9\u4fdd\u5bc6<\/td>\n<td>\u670d\u52a1\u7aef\u5fc5\u9700<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color:#fe2c24\">\u5ba2\u6237\u7aef\u8bc1\u4e66\uff08client_crt.pem\uff09<\/span><\/td>\n<td><span style=\"color:#fe2c24\">\u5ba2\u6237\u7aef<\/span><\/td>\n<td>\u7531 CA \u6839\u8bc1\u4e66\u7b7e\u53d1\uff08\u53ef\u9009\uff09<\/td>\n<td>\u4ec5\u53cc\u5411\u8ba4\u8bc1\u65f6\u4f7f\u7528\uff0c\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u7aef\u8bc1\u660e\u8eab\u4efd<\/td>\n<td>\u53ef\u9009\uff08\u5355\u5411\u8ba4\u8bc1\u65e0\u9700\uff09<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color:#fe2c24\">\u5ba2\u6237\u7aef\u79c1\u94a5\uff08client_key.pem\uff09<\/span><\/td>\n<td><span style=\"color:#fe2c24\">\u5ba2\u6237\u7aef<\/span><\/td>\n<td>\u5ba2\u6237\u7aef\u672c\u5730\u751f\u6210\uff08\u53ef\u9009\uff09<\/td>\n<td>\u4ec5\u53cc\u5411\u8ba4\u8bc1\u65f6\u4f7f\u7528\uff0c\u5ba2\u6237\u7aef\u89e3\u5bc6\u670d\u52a1\u7aef\u52a0\u5bc6\u4fe1\u606f\u3001\u7b7e\u540d\u63e1\u624b\u4fe1\u606f<\/td>\n<td>\u53ef\u9009\uff08\u5355\u5411\u8ba4\u8bc1\u65e0\u9700\uff09<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color:#fe2c24\">\u71b5\u6e90 \/ \u968f\u673a\u6570\uff08entropy\/ctr_drbg\uff09<\/span><\/td>\n<td><span style=\"color:#fe2c24\">\u5ba2\u6237\u7aef + \u670d\u52a1\u7aef<\/span><\/td>\n<td>\u672c\u5730\u5b9e\u65f6\u751f\u6210\uff08mbedtls \u5185\u7f6e\u51fd\u6570\uff09<\/td>\n<td>\u751f\u6210\u4f1a\u8bdd\u5bc6\u94a5\u3001\u63e1\u624b\u968f\u673a\u6570\uff08ClientHello\/ServerHello\uff09\uff0c\u9632\u6b62\u91cd\u653e \/ \u66b4\u529b\u7834\u89e3<\/td>\n<td>\u53cc\u65b9\u5fc5\u9700<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u4e8c\u3001\u5206\u89d2\u8272\u8be6\u7ec6\u8bf4\u660e<\/h4>\n<h5>1. \u670d\u52a1\u7aef\u4e13\u5c5e\uff08\u4ec5\u670d\u52a1\u7aef\u751f\u6210 \/ \u6301\u6709 \/ \u4f7f\u7528\uff09<\/h5>\n<ul>\n<li>\u670d\u52a1\u5668\u8bc1\u4e66\uff08server_crt.pem\uff09\n<ul>\n<li>\u751f\u6210\uff1a\u670d\u52a1\u7aef\u4fa7\u7528 OpenSSL \u751f\u6210\u8bc1\u4e66\u8bf7\u6c42\uff08CSR\uff09\uff0c\u7531 CA \u6839\u8bc1\u4e66\u7b7e\u53d1\uff08\u6d4b\u8bd5\u65f6\u53ef\u81ea\u7b7e\u540d\uff09\uff1b<\/li>\n<li>\u4f7f\u7528\uff1a\u670d\u52a1\u7aef\u5728 TLS \u63e1\u624b\u65f6\u5c06\u5176\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\uff0c\u5ba2\u6237\u7aef\u901a\u8fc7 CA \u6839\u8bc1\u4e66\u9a8c\u8bc1\u8be5\u8bc1\u4e66\u7684\u5408\u6cd5\u6027\uff08\u662f\u5426\u88ab\u7be1\u6539\u3001\u662f\u5426\u8fc7\u671f\u3001\u57df\u540d\u662f\u5426\u5339\u914d\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u670d\u52a1\u5668\u79c1\u94a5\uff08server_key.pem\uff09\n<ul>\n<li>\u751f\u6210\uff1a\u670d\u52a1\u7aef\u672c\u5730\u7528&nbsp;openssl genrsa&nbsp;\u751f\u6210\uff082048\/4096 \u4f4d\uff09\uff0c\u7edd\u5bf9\u4e0d\u80fd\u5bf9\u5916\u6cc4\u9732\uff1b<\/li>\n<li>\u4f7f\u7528\uff1a\u670d\u52a1\u7aef\u7528\u5176\u89e3\u5bc6\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u300c\u9884\u4e3b\u5bc6\u94a5\u300d\uff08\u5ba2\u6237\u7aef\u7528\u670d\u52a1\u5668\u8bc1\u4e66\u7684\u516c\u94a5\u52a0\u5bc6\uff09\uff0c\u6700\u7ec8\u534f\u5546\u51fa\u4f1a\u8bdd\u5bc6\u94a5\uff1b\u540c\u65f6\u7528\u4e8e\u7b7e\u540d\u63e1\u624b\u4fe1\u606f\uff0c\u8bc1\u660e\u670d\u52a1\u7aef\u8eab\u4efd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u670d\u52a1\u7aef\u672c\u5730\u968f\u673a\u6570\n<ul>\n<li>\u751f\u6210\uff1a\u670d\u52a1\u7aef\u901a\u8fc7 mbedtls \u7684&nbsp;entropy\uff08\u71b5\u6e90\uff09+&nbsp;ctr_drbg\uff08\u968f\u673a\u6570\u751f\u6210\u5668\uff09\u5b9e\u65f6\u751f\u6210\uff1b<\/li>\n<li>\u4f7f\u7528\uff1a\u5728 ServerHello \u9636\u6bb5\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\uff0c\u4e0e\u5ba2\u6237\u7aef\u968f\u673a\u6570\u5171\u540c\u63a8\u5bfc\u4f1a\u8bdd\u5bc6\u94a5\uff0c\u9632\u6b62\u4f1a\u8bdd\u5bc6\u94a5\u88ab\u7834\u89e3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>2. \u5ba2\u6237\u7aef\u4e13\u5c5e\uff08\u4ec5\u5ba2\u6237\u7aef\u751f\u6210 \/ \u6301\u6709 \/ \u4f7f\u7528\uff09<\/h5>\n<ul>\n<li>\u5ba2\u6237\u7aef\u8bc1\u4e66\uff08client_crt.pem\uff09\uff08\u4ec5\u53cc\u5411\u8ba4\u8bc1\u65f6\u9700\u8981\uff09\n<ul>\n<li>\u751f\u6210\uff1a\u5ba2\u6237\u7aef\u4fa7\u7528 OpenSSL \u751f\u6210 CSR\uff0c\u7531 CA \u6839\u8bc1\u4e66\u7b7e\u53d1\uff1b<\/li>\n<li>\u4f7f\u7528\uff1a\u53cc\u5411\u8ba4\u8bc1\u65f6\uff0c\u5ba2\u6237\u7aef\u5c06\u5176\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\uff0c\u670d\u52a1\u7aef\u901a\u8fc7 CA \u6839\u8bc1\u4e66\u9a8c\u8bc1\u5ba2\u6237\u7aef\u8eab\u4efd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ba2\u6237\u7aef\u79c1\u94a5\uff08client_key.pem\uff09\uff08\u4ec5\u53cc\u5411\u8ba4\u8bc1\u65f6\u9700\u8981\uff09\n<ul>\n<li>\u751f\u6210\uff1a\u5ba2\u6237\u7aef\u672c\u5730\u751f\u6210\uff0c\u7edd\u5bf9\u4fdd\u5bc6\uff1b<\/li>\n<li>\u4f7f\u7528\uff1a\u5ba2\u6237\u7aef\u7528\u5176\u89e3\u5bc6\u670d\u52a1\u7aef\u52a0\u5bc6\u7684\u4fe1\u606f\uff08\u5982\u8bc1\u4e66\u9a8c\u8bc1\u6311\u6218\uff09\uff0c\u6216\u7b7e\u540d\u63e1\u624b\u4fe1\u606f\u8bc1\u660e\u8eab\u4efd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ba2\u6237\u7aef\u672c\u5730\u968f\u673a\u6570\n<ul>\n<li>\u751f\u6210\uff1a\u5ba2\u6237\u7aef\u901a\u8fc7 mbedtls \u5185\u7f6e\u51fd\u6570\u5b9e\u65f6\u751f\u6210\uff1b<\/li>\n<li>\u4f7f\u7528\uff1a\u5728 ClientHello \u9636\u6bb5\u53d1\u9001\u7ed9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>TLS \u52a0\u5bc6\u901a\u4fe1\u843d\u5730\u5b9e\u64cd\uff1a\u4e3a TCP 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