Getting started

Introduction

This tutorial is aimed at developers who are familiar with Java and it might not be suitable for total beginners.

NFC Ring will not be held responsible if you brick your device by using bad commands or wrong keys. You have been warned!

This tutorial shows you how to:

1. set up JavaCard toolchain on Ubuntu
2. build example applet package
3. load example applet on an NFC Ring OMNI Developer Edition ring

Required skills:

• Java
• Command line (PS/bash)
• git

Required equipment:

• Computer with Windows 10 or Ubuntu 18.04.2 LTS.
• PCSC compatible NFC reader.
  • Do not use ACS ACR 122U reader as it can brick the ring.
• An NFC Ring OMNI ring from NFC Ring®. If you don't have one, you can order from the NFC Ring Store.

Development API targets

• JavaCard 3.0.1
• GlobalPlatform 2.2.1

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Next Steps:

• Setting up Javacard Toolchain