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Hung-Yu Chien

Work place: Dept. of Information Management, National Chi Nan University, Taiwan, R.O.C.

E-mail: hychien@ncnu.edu.tw

Website:

Research Interests: Information Security, Network Architecture, Network Security, Data Structures and Algorithms

Biography

Hung-Yu Chien received the B.S. degree in Computer Science from NCTU, Taiwan, 1988, the M.S. degree in Computer and Information Engineering from NTU, Taiwan, 1990, and the doctoral degree in applied mathematics at NCHU 2002. He was an assistant researcher at TL, MOTC,
Taiwan, during 1992-1995, the director of Computer Center at Nan-Kei College, and an associate professor of ChaoYang University of Technology during 200309~200609. Now he is a member of the Chinese Association for Information Security, an IEEE member, an ACM member, a professor of National Chi Nan University and the department head of the Information management department. His research interests include cryptography, networking, RFID security and network
security.

Author Articles
Tree-Based Matched RFID Yoking Making It More Practical and Efficient

By Hung-Yu Chien

DOI: https://doi.org/10.5815/ijcnis.2009.01.01, Pub. Date: 8 Oct. 2009

A Radio Frequency Identification (RFID) yoking proof allows an off-line verifier to make sure whether two tags are simultaneously present. Due to off-line property, a reader cannot differentiate valid from invalid proof records when it probes tags, and would generate lots of useless data. This paper proposes a tree-based matched RFID yoking scheme which enhances the cost of identification from O(log N) to O(1), where N is the number of tags, and allows the reader to collect only those matched tags such that it significantly reduces useless data for the verifier to validate off-line.

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