Future Work

Future research could focus on several different paths. First, there are other types of network attacks to consider, such as denial of service attacks. These

attacks, which could include wireless traffic jamming, exploitation of the application itself to tax the system or crash it all together, or tampering with the pre-shared keys to prevent communication from succeeding.

The efficiency of the cryptosystem implemented in this research could also be improved so that devices with low computing power can still communicate

effectively as HARMS actors. This might include porting the HARMS system into a lower level programming language, such as C.

Although timestamps were introduced as a security mechanism to help prevent replay attacks, other types of checks could also be implemented to further increase security of communication. Global positioning could be used to provide geographic or localization data in the message, to better help prevent a situation similar to the MiG-in-the-middle attack, where actors are very far away from each other in space.

As mentioned in Section 4.4, the implementation of multicast and broadcast messages also has room for improvement. This problem introduces the concept of shared secrets or some form of group key management, a new cryptographic hurdle to overcome. However, if solved, this could lead to improvements in overall

performance and cut down on total network traffic.

Finally, applying this research to a real-world scenario that requires

firefighting robots would be of particular interest, now that this proof-of-concept has been put in place.

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NOTES

Please note that parts of this thesis were included in a publication currently in review to the 12th International Conference on Mobile Systems and Pervasive Computing (MobiSPC 2015).