Set Up a Policy File to Grant the Required Permission
Next, you will use the Policy Tool to create a policy file named
exampleraypolicy and in it grant a permission to code from a signed JAR file.
The JAR file must have been signed using the private key corresponding to the public key imported into Ray's keystore (
exampleraystore) in the previous step. The certificate containing the public key is aliased by
susan in the keystore. We will grant such code permission to read any file in the
The steps are: