{"id":31280,"date":"2023-01-26T12:53:54","date_gmt":"2023-02-11T05:29:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e7%9a%84sslsocket\/"},"modified":"2025-08-12T23:13:18","modified_gmt":"2025-08-12T15:13:18","slug":"%e4%bd%bf%e7%94%a8java%e7%9a%84sslsocket","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e7%9a%84sslsocket\/","title":{"rendered":"\u4f7f\u7528Java\u7684SSLSocket"},"content":{"rendered":"

\u9996\u5148\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528Java\u7684SSLSocket\u8fdb\u884c\u52a0\u5bc6\u901a\u4fe1\u3002\u987a\u4fbf\u8fd8\u53ef\u4ee5\u9a8c\u8bc1\u5ba2\u6237\u7aef\u8bc1\u4e66\u3002
\n\u9996\u5148\u662f\u670d\u52a1\u5668\u7aef\u3002<\/p>\n

\u51c6\u5907\u8bc1\u4e66\u670d\u52a1\u5668\u7aef\u9700\u8981\u548c\u7528\u4e8eWeb\u670d\u52a1\u5668\u7684\u8bc1\u4e66\u76f8\u540c\u7684\u670d\u52a1\u5668\u8bc1\u4e66\u3001\u79c1\u94a5\u548cCA\u5c40\u8bc1\u4e66\u3002
\n\u5c06\u5176\u6253\u5305\u6210pkcs12\u683c\u5f0f\u3002
\n\u5982\u679c\u4f7f\u7528\u5ba2\u6237\u7aef\u8bc1\u4e66\uff0c\u5219\u9700\u8981\u4f7f\u7528\u5ba2\u6237\u7aef\u8bc1\u4e66\u7684CA\u5c40\u8bc1\u4e66\u3002\u8fd9\u4e2a\u8bc1\u4e66\u53ef\u4ee5\u4f7f\u7528JKS\u683c\u5f0f\u800c\u65e0\u9700\u79c1\u94a5\u3002
\n\u5c1d\u8bd5\u5c06\u8bc1\u4e66\u653e\u5165pkcs12\u4e2d\u4f3c\u4e4e\u53ef\u4ee5\u5de5\u4f5c\uff0c\u4f46\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u6ca1\u6709\u88ab\u8bc6\u522b\u3002<\/p>\n

\u8bfb\u53d6\u670d\u52a1\u5668\u7aef\u8bc1\u4e66\u5c06\u670d\u52a1\u5668\u8bc1\u4e66\u4e0e\u79c1\u94a5\u548cCA\u8bc1\u4e66\u4e00\u540c\u4fdd\u5b58\u5728pkcs12\u6587\u4ef6\u4e2d\u8fdb\u884c\u8bfb\u53d6\u3002
\n\u4f7f\u7528FileInputStream\u6253\u5f00\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528java.security.KeyStore\u7684load\u65b9\u6cd5\u8fdb\u884c\u8bfb\u53d6\u3002
\n\u8bfb\u53d6\u5b8c\u6bd5\u540e\uff0c\u5c06\u5176\u6307\u5b9a\u7ed9javax.net.ssl.KeyManagerFactory\u7684init\u65b9\u6cd5\u3002<\/p>\n

\u5982\u679c\u4e0d\u4f7f\u7528\u5ba2\u6237\u7aef\u8bc1\u4e66\uff0c\u5219\u4e0d\u9700\u8981TrustManager\u3002<\/p>\n

\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<\/p>\n

import<\/span> java.net.Socket<\/span>;<\/span>\r\nimport<\/span> java.security.KeyStore<\/span>;<\/span>\r\nimport<\/span> javax.net.ssl.SSLContext<\/span>;<\/span>\r\nimport<\/span> javax.net.ssl.KeyManagerFactory<\/span>;<\/span>\r\nimport<\/span> javax.net.ssl.TrustManagerFactory<\/span>;<\/span>\r\nimport<\/span> javax.net.ssl.SSLServerSocket<\/span>;<\/span>\r\nimport<\/span> javax.net.ssl.SSLServerSocketFactory<\/span>;<\/span>\r\nimport<\/span> java.io.FileInputStream<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> App<\/span>\r\n{<\/span>\r\n    private<\/span> static<\/span> void<\/span> initSSL<\/span>()<\/span>\r\n    {<\/span>\r\n \r\n        try<\/span> (<\/span>\r\n            FileInputStream<\/span> p12_file<\/span> =<\/span> new<\/span> FileInputStream<\/span>(<\/span>\"servercert.p12\"<\/span>);<\/span>\r\n            FileInputStream<\/span> jks_file<\/span> =<\/span> new<\/span> FileInputStream<\/span>(<\/span>\"clienttrust.jks\"<\/span>);<\/span>\r\n        )<\/span> {<\/span>\r\n            KeyManagerFactory<\/span> kmf<\/span>;<\/span>\r\n            KeyStore<\/span> ks<\/span>;<\/span>\r\n            ks<\/span> =<\/span> KeyStore<\/span>.<\/span>getInstance<\/span>(<\/span>\"pkcs12\"<\/span>);<\/span>\r\n            ks<\/span>.<\/span>load<\/span>(<\/span>p12_file<\/span>,<\/span> \"passphrase\"<\/span>.<\/span>toCharArray<\/span>());<\/span>\r\n            kmf<\/span> =<\/span> KeyManagerFactory<\/span>.<\/span>getInstance<\/span>(<\/span>\"SunX509\"<\/span>);<\/span>\r\n            kmf<\/span>.<\/span>init<\/span>(<\/span>ks<\/span>,<\/span> \"passphrase\"<\/span>.<\/span>toCharArray<\/span>());<\/span>\r\n\r\n            \/\/ \u3053\u3053\u304b\u3089\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a3c\u660e\u66f8\u306e\u305f\u3081\u306e\u3082\u306e<\/span>\r\n            TrustManagerFactory<\/span> tmf<\/span>;<\/span>\r\n            KeyStore<\/span> ts<\/span>;<\/span>\r\n            ts<\/span> =<\/span> KeyStore<\/span>.<\/span>getInstance<\/span>(<\/span>\"JKS\"<\/span>);<\/span>\r\n            ts<\/span>.<\/span>load<\/span>(<\/span>jks_file<\/span>,<\/span> \"jkspass\"<\/span>.<\/span>toCharArray<\/span>());<\/span>\r\n            tmf<\/span> =<\/span> TrustManagerFactory<\/span>.<\/span>getInstance<\/span>(<\/span>\"SunX509\"<\/span>);<\/span>\r\n            tmf<\/span>.<\/span>init<\/span>(<\/span>ts<\/span>);<\/span>\r\n        }<\/span>\r\n        catch<\/span> (<\/span>Exception<\/span> e<\/span>)<\/span> {<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"initSSL exception: \"<\/span> +<\/span> e<\/span>.<\/span>toString<\/span>());<\/span>\r\n        }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
servercert.p12\u662f\u4e00\u4e2a\u5305\u542b\u670d\u52a1\u5668\u8bc1\u4e66\u548c\u79c1\u94a5\u7684pkcs12\u6587\u4ef6\uff0c\u5176\u5bc6\u7801\u4e3apassphrase\uff0c\u6240\u4ee5\u9700\u8981\u6839\u636e\u73af\u5883\u8fdb\u884c\u76f8\u5e94\u4fee\u6539\u3002
\n\u540c\u6837\u5730\uff0cclienttrust.jks\u548cjkspass\u4e5f\u9700\u8981\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n
\u521b\u5efaServerSocket
\n\u4f7f\u7528\u4e0a\u9762\u751f\u6210\u7684 kmf \u548c tmf\u3002\uff08\u5982\u679c\u4e0d\u4f7f\u7528\u5ba2\u6237\u7aef\u8bc1\u4e66\uff0c\u5219\u4ec5\u4f7f\u7528 kmf\uff09
\n\u5177\u4f53\u6b65\u9aa4\u662f\u521b\u5efa java.net.ssl.SSLContext\uff0c\u5e76\u5728\u521d\u59cb\u5316\u65f6\u6307\u5b9a\u4ece kmf \u548c tmf \u4e2d\u83b7\u53d6\u7684\u5bc6\u94a5\u548c\u8bc1\u4e66\u4fe1\u606f\u3002
\n\u7136\u540e\u4f7f\u7528 ctx.getServerSocketFactory() \u83b7\u5f97 ServerSocketFactory\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u521b\u5efa ServerSocket\u3002<\/p>\n
\u4ee3\u7801\u5982\u4e0b\u3002<\/p>\n
            SSLContext<\/span> ctx<\/span> =<\/span> SSLContext<\/span>.<\/span>getInstance<\/span>(<\/span>\"TLS\"<\/span>);<\/span>\r\n            \/\/ \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u306f tmf.getTrustManagers() \u306e\u3068\u3053\u308d\u3092null\u306b\u3059\u308b<\/span>\r\n            ctx<\/span>.<\/span>init<\/span>(<\/span>kmf<\/span>.<\/span>getKeyManagers<\/span>(),<\/span> tmf<\/span>.<\/span>getTrustManagers<\/span>(),<\/span> null<\/span>);<\/span>\r\n            SSLServerSocketFactory<\/span> ssf<\/span> =<\/span> ctx<\/span>.<\/span>getServerSocketFactory<\/span>();<\/span>\r\n            SSLServerSocket<\/span> sslsvr<\/span> =<\/span> (<\/span>SSLServerSocket<\/span>)<\/span>ssf<\/span>.<\/span>createServerSocket<\/span>(<\/span>443<\/span>);<\/span>\r\n            \/\/ \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u4e0d\u8981<\/span>\r\n            sslsvr<\/span>.<\/span>setNeedClientAuth<\/span>(<\/span>true<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u9664\u4e86\u4f7f\u7528\u5e38\u89c4\u7684ServerSocket\u4e0e\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5\u5e76\u83b7\u5f97Socket\u4e4b\u5916\uff0c\u5176\u4ed6\u6b65\u9aa4\u4e0e\u5e38\u89c4\u76f8\u540c\u3002\uff08\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3aSSLSocket\uff09
\n\u5176\u4e2d\u7684443\u662f\u7aef\u53e3\u53f7\uff0c\u5982\u679c\u8981\u4f7f\u7528\u5176\u4ed6\u7aef\u53e3\uff0c\u9700\u8981\u8fdb\u884c\u66f4\u6539\u3002<\/p>\n
\u5982\u4f55\u521b\u5efaPKCS12\u6587\u4ef6\u3002\u5728\u4f7f\u7528openssl\u65f6\u53ef\u4ee5\u521b\u5efa\u670d\u52a1\u5668\u8bc1\u4e66\u548c\u5ba2\u6237\u7aef\u8bc1\u4e66\u7684pkcs12\u683c\u5f0f\u3002\uff08\u53ef\u80fd\u4e5f\u53ef\u4ee5\u4f7f\u7528keytool\u521b\u5efa\uff09<\/p>\n
openssl pkcs12 -export -in <\u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\u540d> -inkey <\u79d8\u5bc6\u9375\u30d5\u30a1\u30a4\u30eb\u540d> -certfile <CA\u5c40\u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\u540d> -out <\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u540d> \r\n<\/code><\/pre>\n
\u6267\u884c\u8fd9\u4e2a\u64cd\u4f5c\u65f6\uff0c\u9700\u8981\u8bbe\u7f6e\u5bc6\u7801\uff0c\u9700\u8981\u8f93\u5165\u4e24\u6b21\u3002<\/p>\n
\u5982\u4f55\u5236\u4f5cJKS\u6587\u4ef6\u4f7f\u7528Java\u9644\u5e26\u7684keytool\u521b\u5efa\u3002<\/p>\n
keytool import -file <\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a3c\u660e\u66f8\u7528CA\u5c40\u30d5\u30a1\u30a4\u30eb\u540d> -alias clientca -keystore <\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u540d>\r\n<\/code><\/pre>\n
\u522b\u540d(alias)\u90e8\u5206\u4f3c\u4e4e\u662f\u53ef\u9009\u7684\uff0c\u4f46\u5f53\u4f7f\u7528keytool\u65f6\u53ef\u80fd\u9700\u8981\u8fd9\u4e2a\u3002<\/p>\n
\u670d\u52a1\u5668\u7a0b\u5e8f\u7684\u64cd\u4f5c\u786e\u8ba4\u5728\u521b\u5efa\u5ba2\u6237\u7aef\u4e4b\u524d\uff0c\u6700\u597d\u4f7f\u7528openssl\u8fdb\u884c\u64cd\u4f5c\u9a8c\u8bc1\u3002
\n\u6309\u4ee5\u4e0b\u65b9\u5f0f\u6267\u884c\u64cd\u4f5c\u3002<\/p>\n
openssl s_client -connect <\u30b5\u30fc\u30d0\u30db\u30b9\u30c8\u540d>:<\u30dd\u30fc\u30c8> -cert <\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\u540d\uff08PEM)> -key <\u79d8\u5bc6\u9375\u30d5\u30a1\u30a4\u30eb\u540d\uff08PEM\uff09>\r\n<\/code><\/pre>\n
\u53e6\u5916\uff0c\u5982\u679c\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\uff0c\u60a8\u8fd8\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u7684java\u9009\u9879\u4e2d\u52a0\u4e0a”-Djavax.net.debug=all”\u6765\u8f93\u51fa\u591a\u79cd\u4fe1\u606f\uff0c\u8fd9\u53ef\u80fd\u4f1a\u7ed9\u60a8\u4e00\u4e9b\u63d0\u793a\u3002\u5728”all”\u7684\u4f4d\u7f6e\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u6307\u5b9a\u4e3a”ssl”\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6307\u5b9assl\u9009\u9879\u3002<\/p>\n
\u53ef\u6307\u5b9a\u7684\u9009\u9879\u8bf7\u53c2\u8003\u6b64\u5904\u3002<\/p>\n
\u5173\u4e8eTLS\u7248\u672c\u5728OpenJDK 17\u4e2d\uff0c\u9ed8\u8ba4\u53ea\u542f\u7528TLS 1.2\u548c1.3\u7248\u672c\u3002\u53ef\u4ee5\u4f7f\u7528SSLServerSocket.setEnabledProtocols\u8fdb\u884c\u6307\u5b9a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5219\u53ea\u63a5\u53d7TLS 1.3\u7248\u672c\u3002<\/p>\n
    SSLServerSocket<\/span> sslsvr<\/span> =<\/span> (<\/span>SSLServerSocket<\/span>)<\/span>ssf<\/span>.<\/span>createServerSocket<\/span>(<\/span>443<\/span>);<\/span>\r\n    sslsvr<\/span>.<\/span>setEnabledProtocols<\/span>(<\/span>new<\/span> String<\/span>[]<\/span> {<\/span> \"TLSv1.3\"<\/span> });<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u901a\u8fc7 getEnabledProtocols \u65b9\u6cd5\u6765\u786e\u8ba4\u53ef\u7528\u7684\u534f\u8bae\u3002<\/p>\n
\u4f7f\u7528 setEnabledCipherSuites \u53ef\u4ee5\u66f4\u6539 Cipher Suites\uff0c\u4f7f\u7528 getEnabledCipherSuites \u53ef\u4ee5\u786e\u8ba4\uff0c\u53ef\u4ee5\u5148\u4f7f\u7528 getEnabledCipherSuites\uff0c\u7136\u540e\u4ece\u4e2d\u5220\u9664\u4e0d\u60f3\u4f7f\u7528\u7684\u9879\uff0c\u5e76\u5c06\u5176\u6307\u5b9a\u7ed9 setEnabledCipherSuites\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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