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A new authentication protocol for RFID communication in multi-tag arrangement

Authentication in Radio Frequency Identification (RFID) technology is an important requirement. Attachment of single tag in an object has less detection probability since the attached tag may not be within the communication range. Use of multiple numbers of tags in an object solves this problem and increases the detection probability. Many authentication schemes have been proposed assuming the existence of single tag in an object. The challenge is to design an authentication scheme that can authenticate an object efficiently in multi tag arrangement without affecting the detection probability. In this paper, we have proposed an efficient authentication scheme which assumes the existence of multiple numbers of tags in an object. Our scheme does not affect the detection probability in multi-tag arrangement.