Journal of Computer Networks and Communications / 2013 / Article / Figbox 2

Research Article

Untangling RFID Privacy Models

Box 2

(1) initializes the system .
(2) requests to receive a tag .
(3) chooses , queries Oracle where , and then receives . Here is known by .
(4) requests to receive two challenges , , and , such that or .
(5) queries Oracle and Oracle , and then receives and .
(6) decides which of or is , and outputs a guess bit .
succeeds if .

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