A New Groups Key Distribution for Secure Wireless Multicast

2011 ◽  
Vol 282-283 ◽  
pp. 388-391
Author(s):  
Yi Liang Han

A session key distribution is proposed for secure multicast scheme, which employs decentralized group architecture and accommodates the dynamic group changing efficiently. Compared with the similar schemes, the proposed scheme has advantages with regard to the rekeying cost, the storage overhead and the computation efficiency. It achieves the backward/forward secrecy and has the capacity to provide data confidentiality and integrity.

Author(s):  
Yoshikazu Hanatani ◽  
Naoki Ogura ◽  
Yoshihiro Ohba ◽  
Lidong Chen ◽  
Subir Das

2020 ◽  
Vol 59 (06) ◽  
pp. 1 ◽  
Author(s):  
Kai Dong ◽  
Yongli Zhao ◽  
Avishek Nag ◽  
Xiaosong Yu ◽  
Jie Zhang

2013 ◽  
Vol 479-480 ◽  
pp. 651-655
Author(s):  
Huei Ru Tseng ◽  
Tung Hung Chueh

The smart grid is a network of computers and power infrastructures that monitor and manage energy usage and uses intelligent transmission and distribution networks to deliver electricity for improving the electric system's reliability and efficiency. With grid controls, energy transmission management could be enhanced and resilience to control-system failures would be increased. Although deploying the smart grid has numerous social and technical benefits, several security concerns arise. In 2012, Xia and Wang proposed a secure key distribution for the smart grid. They claimed their protocol is strong enough to defend against security attacks. In this paper, we investigate the security of Xia and Wang's protocol. More precisely, we show that once the smart meter generates a session key with the service provider, the smart meter could easily forge the new legitimate session key without the service provider's participation. In order to remedy the security flaw, we propose a simple and secure improvement of Xia and Wang's protocol. Our protocol is secure and fair to generate the session key between the smart meter and the service provider.


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