Security

[jm4c]

In the baseline setup the security is absent. Students are invited to enhance the security of the system in
terms of attaining the following security goals: (1) ensure that the communication between clients and server is secure against an adversary with the ability to eavesdrop the network, modify the packets exchanged, suppress packets, or introduce new packets, and (2) ensure that a message receiver can authenticate the message as published by a specific user and that it has not been tampered with during the transmission