The jar jboss-bindingservice.jar is signed in ZIP but not in the RPM. Please note that this jar is present in more places and this is just one example of such file. Also, note that this is a duplicate of JBPAPP-4816, but specific to jboss-bindingservice.jar, as requested.

1. jar tf /root/workspace/jboss-eap-5.1/jboss-as/server/default/conf/bindingservice.beans/jboss-bindingservice.jar | grep JBOSSCOD
   META-INF/JBOSSCOD.SF
   META-INF/JBOSSCOD.RSA

1. jar tf /var/lib/jbossas/server/default/conf/bindingservice.beans/jboss-bindingservice.jar | grep JBOSSCOD