D. Huang A. Sinha D. Medhi A key distribution scheme for double authentication in link state routing protocol. 19-24 2005 conf/ipccc/2005 IPCCC http://doi.ieeecomputersociety.org/10.1109/PCCC.2005.1460507 db/conf/ipccc/ipccc2005.html#HuangSM05