Ben Ransford <ransford AT cs.umass.edu> originally wrote this code in December
2007 in response to the Oakland 2005 paper of Kohno et al. [1].
Copyright 2007, 2011 Ben Ransford <ransford AT cs.umass.edu> and Elisha
Rosensweig <elisha AT cs.umass.edu>.
References:
[1] Tadayoshi Kohno, Andre Broido, kc claffy: Remote physical device
fingerprinting. Proceedings of the 2005 IEEE Symposium on Security and
Privacy (Oakland), May 2005.