关键词: 射频识别, 混沌加密, 所有权转移, Arnold cat, BAN逻辑

Abstract: This paper proposes a lightweight RFID ownership transfer protocol based on chaos encryption（CELOTP） for some security problems caused by the change of the ownership of the RFID system in its life cycle. The Arnold cat chaotic map, with lowly implementation costs and randomness, is used to generate the key sequences to improve the security of encryption. A dynamic refresh random function is used to reduce the cost of tags and maintain the freshness of the communication process. Using the challenge response mechanism, the Flag is used to indicate the ownership, which improves the security of the protocol communication. The security of this protocol is proved by BAN-logic. Security analysis and performance analysis of the protocol show that the protocol not only satisfies the security requirement of tag transfer, but also has low cost and is suitable for low cost RFID system.

Key words: Radio Frequency Identification（RFID）, chaos encryption, ownership transfer, Arnold cat, BAN logic