Basic Security Stuff
Run the shell script and generate the root key and the key that will be signed by the root key. Create the keystore with this key in it.
Modify Main.main -> byte[] keyStorePasswd with your keystore password
Modify Main.main -> String keyAlias with the key alias
Modify Main.main -> char[] keyPasswd with the key password
Run the project, signature validation in console, files to target/output.zip