DEMO: NFCGate - An NFC Relay Application for Android

Authors

Max Maass, Uwe Müller, Tom Schons, Daniel Wegemer and Matthias Schulz

Preface

The presented work was demonstrated at the 8th ACM Conference on Security and Privacy in
Wireless and Mobile Networks (ACM WiSec 2015).

Abstract

Near Field Communication (NFC) is a technology widely used for security-critical applications like access control or payment systems. Many of these systems rely on the security assumption that the card has to be in close proximity to communicate with the reader. We developed NFCGate, an Android application capable of relaying NFC communication between card and reader using two rooted but otherwise unmodified Android phones. This enables us to increase the distance between card and reader, eavesdrop on, and even modify the exchanged data. The application should work for any system built on top of ISO 14443-3 that is not hardened against relay attacks, and was successfully tested with a popular contactless card payment system.

Video demonstration


Downloads:

You can find our project at GitHub: https://github.com/nfcgate



Contact

Prof. Dr.-Ing. Matthias Hollick

Technische Universität Darmstadt
Department of Computer Science
Secure Mobile Networking Lab 

Mornewegstr. 32 (S4/14)
64293 Darmstadt, Germany

Phone: +49 6151 16-25472
Fax: +49 6151 16-25471
office@seemoo.tu-darmstadt.de

Affiliations

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