Abstract
Near Field Communication (NFC) applications are implemented in three different modes: NFC applications using the reader/writer mode to read information; NFC P2P mode to exchange information; and NFC application transactions based on the card emulation mode of NFC and communication. This chapter offers tangible examples of the use of the NFC standard illustrating each of the three operating modes of NFC in a classic use case. The NFC tag is a unique identifier of the “tagged” object (i.e. because of its UID) and the NFC mobile device is an identifier about the end user and the context. This property of precise contextualization of the event allows creating sophisticated use cases. The simplest use case of the P2P mode of the NFC standard consists of exchanging data between two NFC peripheral devices. NFC card emulation mode is characterized by the APDU layer.
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