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NFC-SEC Protocol Overview: Enhancing Near Field Communication Security and Performance

The NFC-SEC protocol provides a robust security layer to protect NFC peer-to-peer communications, designed for various applications including mobile payments and ticketing. This document outlines the protocol's motivation, features, and performance benefits, encompassing eavesdropping protection and data modification safeguards. It describes two main services: Secure Channel and Shared Secret Security Protocol, detailing the phases of key establishment and secure data exchange. The arrangement promotes easy setup of wireless networks while delivering a balance between advanced security and efficient performance for next-generation NFC applications.

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NFC-SEC Protocol Overview: Enhancing Near Field Communication Security and Performance

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  1. Ecma/TC32-TG19/2007/061(supersedes Ecma/TC32-TG19/2006/057) NFC protocol arrangement NFC-SEC ECMA-xxx ISO/IEC 21481ECMA-352(NFCIP-2) ISO/IEC 14443 ISO/IEC 15693 ISO/IEC 18092 ECMA-340(NFCIP-1) NFC-FEC ECMA-xxx NFC-WI ECMA-373 ISO/IEC 28361 Protocol Test Methods ECMA-362ISO/IEC 23917 RF I/F Test Methods ECMA-356 ISO/IEC 22536 Rue du Rhône 114 - CH-1204 Geneva - T: +41 22 849 6000 - F: +41 22 849 6001 - www.ecma-international.org 1

  2. NFCwork items • NFC-SEC: NFC Data Link security to complement higher layer security (started) • NFC-FEC: RF Front-end configuration (started) Possible future work items: • NFC-WI-FAST: 2nd generation wired interface • NFC-FAST: Higher data rates • NFC-PCT: Application extensions in NFCIP-1 • Power control as an example application extension • MemorySpot: 2,4GHz High Rate Near Field Communications (planned) Rue du Rhône 114 - CH-1204 Geneva - T: +41 22 849 6000 - F: +41 22 849 6001 - www.ecma-international.org 2

  3. NFC-SEC Overview Motivation: wireless network easy setup, peer-2-peer, mobile phone payment, ticketing and wired equivalent privacy use cases Application independent security layer. For protecting NFC peer-to-peer communications New feature for NFCIP-1 Good balance between state-of-the-art security and performance Rue du Rhône 114 - CH-1204 Geneva - T: +41 22 849 6000 - F: +41 22 849 6001 - www.ecma-international.org 3

  4. NFC-SEC details Protection against: • Eavesdropping • Data modification (on the NFC link) 2 services are available: • Secure Channel • Shared Secret Security protocol: • Key establishment phase • Secure data exchange phase (encryption and MAC) Encapsulated in DEP packets Rue du Rhône 114 - CH-1204 Geneva - T: +41 22 849 6000 - F: +41 22 849 6001 - www.ecma-international.org 4

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