Haowen Chan Virgil D. Gligor Adrian Perrig Gautam Muralidharan On the Distribution and Revocation of Cryptographic Keys in Sensor Networks. 233-247 2005 2 IEEE Trans. Dependable Sec. Comput. 3 http://doi.ieeecomputersociety.org/10.1109/TDSC.2005.37 db/journals/tdsc/tdsc2.html#ChanGPM05