Zhitang Li

Work place: Computer Department of Huazhong University of Science and Technology, Wuhan, Peoples Republic of China

E-mail: leeying@mail.hust.edu.cn

Website:

Research Interests: Computer systems and computational processes, Computer Architecture and Organization, Systems Architecture, Network Architecture, Network Security

Biography

Zhitang Li was born in Jianli, China in 1951, and received his M.E. degree in Computer Architecture from Huazhong University of Science and Technology, Wuhan, China, 1987, and PhD degree in Computer Architecture from Huazhong University of Science and Technology, Wuhan, China, 1992. His research interests include computer architecture, network security and P2P networks.
He is currently the director of China Education and Research Network (CERNET) in Central China. He was a vice president of Department of Computer Science and Technology, Huazhong University of Science and Technology, China. He has published more than one hundred papers in the areas of computer architecture, network security and P2P networks.

Author Articles
Using P systems to Solve the Discrete Logarithm Problem used in Diffie-Hellman Key Exchange Protocol

By Xiaojing Ma Zhitang Li Hao Tu

DOI: https://doi.org/10.5815/ijcnis.2009.01.04, Pub. Date: 8 Oct. 2009

The discrete logarithm problem has been used as the basis of several cryptosystems, especially the Diffie- Hellman key exchange protocol. P systems are a cluster of distributed parallel computing devices in a biochemical type. This paper presents a P system with active membranes and strong priority to solve the discrete logarithm problem used in Diffie-Hellman key exchange protocol. To the best of our knowledge, it’s the first time to solve the problem using P systems.

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