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DES

18 Feb 2015

Storing Your Data Securely on NFC Tags from Android

Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4 cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or between two Android-powered devices.

Android-powered devices with NFC simultaneously support three main operation modes:

  1. Reader / writer mode, allowing the NFC device to read and / or to write passive NFC tags and stickers.
  2. P2P mode, allowing the NFC device to exchange data with other NFC peers; this operation mode is used by Android Beam.
  3. Card emulation mode, allowing the ...