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Issue No. 11 - Nov. (2013 vol. 62)
ISSN: 0018-9340
pp: 2335-2336
Yining Liu , Huazhong University of Science and Technology, Wuhan
Chi Cheng , Wuhan National Laboratory for Optoelectronics, Wuhan
Jianyu Cao , Guilin University of Electronic Technology, Guilin
Tao Jiang , Huazhong University of Science and Technology, Wuhan
To achieve secure group communication, one-time session keys need to be shared among group members in a secure and authenticated manner. In this paper, we propose an improved authenticated key transfer protocol based on Shamir's secret sharing. The proposed protocol achieves key confidentiality due to security of Shamir's secret sharing and provides key authentication by broadcasting a single authentication message to all members. Furthermore, the proposed scheme resists against both insider and outsider attacks.
Protocols, Cryptography, Authentication, Resists, Educational institutions, Broadcasting

Y. Liu, C. Cheng, J. Cao and T. Jiang, "An Improved Authenticated Group Key Transfer Protocol Based on Secret Sharing," in IEEE Transactions on Computers, vol. 62, no. 11, pp. 2335-2336, 2013.
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