如何使用Java连接到启用TLS 1.2的URL

Question

如何使用HTTP POST方法连接到启用了TLS 1.2的URL。

Answer 1

Java 8

  

Java 8默认使用TLS 1.2

https://blogs.oracle.com/java-platform-group/jdk-8-will-use-tls-12-as-default

因此，对于Java 8，您需要做的就是以下内容。

import javax.net.ssl.*;
import java.net.URL;

URL url = new URL("https://www.google.com");
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();

Java 7

  

需要手动设置Java 7

import java.security.*;
import javax.net.ssl.*;
import java.net.URL;


URL url = new URL("https://www.google.com");

SSLContext ssl = SSLContext.getInstance("TLSv1.2"); 
ssl.init(null, null, new SecureRandom());

HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
connection.setSSLSocketFactory(ssl.getSocketFactory());