服务器配置 > Post Install Server Security > Secure Sockets Layer > Enabling Unlimited Strength Cryptography
  
Enabling Unlimited Strength Cryptography
By default, the encryption strength for the SSL is 128 bit encryption. It is possible to enable unlimited strength cryptography by downloading the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files for JDK/JRE 8 from the Sun Web site at the following location:
http://www.oracle.com/technetwork/java/javase/downloads/index.html