Java Unlimited Strength Crypto Policy for Java 9 or 1.8.0_151

2019/07/15 00:47
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October 19, 2017java Starting with Java 1.8.0_151 and 1.8.0_152 there is a new somewhat easier way to enable the unlimited strength jurisdiction policy for the JVM. Without enabling this you cannot use AES-256 for example.

First download the JRE, I like to use the server-jre for servers. When you extract the server-jre look for the file java.security in the jre/lib/security folder. For example for Java 1.8.0_152 the file structure looks like this:

/jdk1.8.0_152 |- /jre |- /lib |- /security |- java.security Now open java.security with a text editor and look for the line that defines the java security property crypto.policy it can have two values limited or unlimited - the default is limited.

By default you should find a commented out line:

#crypto.policy=unlimited You can enable unlimited by uncommenting that line, remove the #:

crypto.policy=unlimited Now restart your java applications that point to the JVM and you should be all set.

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