To use AES 256 encryption for PDF files, obtain and install
the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction
Policy files. These files replace the local_policy.jar and US_export_policy.jar
files in the
[Adobe_JAVA_HOME]
/jre/lib/security folder. For
example, if you are using Sun JDK 1.7, copy the downloaded files
to the
[aem-forms root]
/Java/jdk1.7.0_25/jre/lib/security
folder.
You can download these files from
Java SE Downloads
.
