Security and privacy are two primary concerns in RFID adoption. In this paper we focus on security issues in general and data tampering in particular. Here we present a conceptual framework to detect and identify data tampering in RFID tags. The paper surveys the existing literature and proposes to add a tamper detection component in the existing RFID middleware architecture. The tamper detection component is supported by mathematical algorithm to embed and extract secret information which can be employed to detect data tampering.
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