\input zb-basic
\input zb-ioport
\iteman{io-port 70103992}
\itemau{Cao, Zhengjun; Liu, Lihua}
\itemti{A group key agreement scheme revisited}
\itemso{IAS, 95-98 (2008).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/IAS.2008.13}
\end