Java Security: Illegal key size or default parameters?

Most likely you don’t have the unlimited strength file installed now.

You may need to download this file:

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 6

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 7 Download

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 8 Download (only required for versions before Java 8 u162)

Extract the jar files from the zip and save them in ${java.home}/jre/lib/security/

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