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Methods for Change of Tag States and Assignment of Master Leaders to Protect RFID Privacy  

Kim, Eun-Jin (엔씨소프트)
Roh, Byeong-Hee (아주대학교 정보통신전문대학원)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.12B, 2007 , pp. 743-749 More about this Journal
Abstract
The problem of privacy is considered one of the main concerns to deploy RFID applications. In this paper, we propose methods to change a tag state and assign a master leader for the protection of privacy. By changing a tag state, we can limit the range for the information retrieval of the tag to all leaders or a specific leader (mater leader). Whenever the owner of a tag changes, with the master leader assignment method for the tag, we can make only the master leader get the information for the tag. With the proposed methods, it is expected that the privacy problems can be solved by preventing the private information of tags that persons have from being exposed by illegal leaders.
Keywords
RFID Privacy; RFID Security; RFID Tag; RFID Reader; Master Reader;
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