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HMAC-based RFID Authentication Protocol with Minimal Retrieval at Server

Authors:
Seung Wook Jung
Souhwan Jung

Keywords: RFID; HMAC; mutual authentication

Abstract:
This paper proposes a HMAC-based RFID mutual authentication protocol to improve performance at the back-end server. In existing hash-based protocols, the tag ID is a secret value for privacy, so the back-end server computes a lot of hash operations or modular operations to retrieve the tag ID. In our protocol, the Tag ID is used as a secret key of HMAC and sends the tag ID XOR-ed by a random number, where XOR-ed tag ID is stored at the back-end server and the tag. The XOR-ed tag ID is changed every session like OTP. The tag sends XORed ID to the back-end server for authentication. Thus, simple matching operation is required to retrieve the tag ID. Therefore, our protocol is much more practical than existing protocols.

Pages: 52 to 55

Copyright: Copyright (c) IARIA, 2013

Publication date: July 21, 2013

Published in: conference

ISSN: 2308-443X

ISBN: 978-1-61208-285-1

Location: Nice, France

Dates: from July 21, 2013 to July 26, 2013