In this paper we address the problem of securing networked RFID applications. We develop and present a RFID security protocol that allows mutual authentication between the reader and tag as well as secure communication of tag data. The protocol presented uses a hybrid method to provide strong security while ensuring the resource requirements are low. To this end it employs a mix of simple one way hashing and lowcost bitwise operations. Our protocol ensures the confidentiality and integrity of all data being communicated and allows for reliable mutual authentication between tags and readers. The protocol presented is also resistant to a large number of common attacks.

RFID technology promises to revolutionize supply chains and usher in a new era of cost savings, efficiency and business intelligence. The use of low cost RFID devices in supply chain management systems has been increasing dramatically. While a lot of research has been carried out in trying to make a completely RFID enabled global supply chain a reality there still remains a number of hurdles to be surmounted before that vision can be realized. In this paper, we analyze the specific requirements of a RFID enabled global supply chain. Then we develop and present a RFID architecture that is optimized for developing global supply chain applications but is also fully compatible with the currently used RFID architectures. Finally we do a comparative analysis of our framework with the current RFID architecture standard showing our framework has a number of significant advantages over it.

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