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JCE policy file substitution in JAVA __java

Source: Internet
Author: User
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Java, the default support AES128, if you want to use AES256, you need to replace two files.

Java Cryptography Extension (JCE) Unlimited strength jurisdiction Policy Files

Download Address: JDK6
Http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html
JDK7
Http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
JDK8
Http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
When you are finished downloading, you can see these two jar Packs: Local_policy.jar and Us_export_policy.jar
Replace the two jars under%jre_home%\lib\security and, if the JDK is installed, replace the two jars in this%jdk_home%\jre\lib\security directory.

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