TOPIC PROTECTION POLICY FOR PUBLISH-SUBSCRIBE MESSAGING SYSTEM

Exemplary embodiments of the present invention disclose a method and system for securing a message published to a topic by a publisher in a publish-subscriber messaging system with a topic policy for the topic. In a step, an exemplary embodiment establishes a topic policy for a topic. In another step, an exemplary embodiment associates a message published to the topic with a topic policy. In another step, an exemplary embodiment signs a message published to the topic by a publisher with a private key of the publisher if the topic policy directs. In another step, an exemplary embodiment provides a public key of a subscriber if the topic policy directs that the subscriber receive a message in encrypted form. In another step, an exemplary embodiment encrypts a message for a subscriber specified in a topic policy to receive the message encrypted with a public key of the subscriber.