Improved Port Knocking with Strong Authentication. - Rennie deGraaf; John Aycock; Michael J. Jacobson Jr. (ACSAC, 2005)

Anti-disassembly using Cryptographic Hash Functions. - John Aycock; Rennie deGraaf; Michael J. Jacobson Jr. (J. Comput. Virol., 2006)

Spamulator: the Internet on a laptop. - John Aycock; Heather Crawford; Rennie deGraaf (ITiCSE, 2008)