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Rfid Security Essay

3358 words - 14 pages

RFID SECURITY
February 2008

© The Government of the Hong Kong Special Administrative Region

The contents of this document remain the property of, and may not be
reproduced in whole or in part without the express permission of the

Government of the HKSAR.

Disclaimer: Whilst the Government endeavours to ensure the accuracy of the information in this
paper, no express or implied warranty is given by the Government as to the accuracy of the
information. The Government of HKSAR accepts no liability for any error or omission arising from
or related to the use of the information.

TABLE OF CONTENTS

Summary ...view middle of the document...

............. 9
Personal Privacy............................................................................................................ 10
IV. RFID Security Trends ............................................................................................... 11
V. Approachs for Tackling Security and Privacy Issues ................................................. 12
Solutions For Tag Data Protection ................................................................................ 12
Solutions For RFID Reader Integrity ............................................................................ 13
Solutions For Personal Privacy ..................................................................................... 14
VI. Conclusion ................................................................................................................ 17

RFID Security

Page 1 of 17

SUMMARY

The deployment and use of Radio Frequency Identification (RFID) technology is growing
rapidly across many different industries. Developers apply the technology not only in
traditional applications such as asset or inventory tracking, but also in security services
such as electronic passports and RFID-embedded credit cards. However, RFID
technology also raises a number of concerns regarding privacy, security and law
enforcement1.

In this paper, the basic concepts behind RFID technology are introduced, and the
associated security issues and threats in using RFID technology, along with possible
measures on how to tackle them, are discussed. The objective is to deliver a greater
understanding of the security related aspects of this technology.

1

http://www.eecs.harvard.edu/cs199r/bd-rfid/lawEnforcement.pdf

RFID Security

Page 2 of 17

I. INTRODUCTION

AN INTRODUCTION TO RFID

Radio Frequency Identification (RFID) technology is a non-contact, automatic
identification technology that uses radio signals to identify, track, sort and detect a variety
of objects including people, vehicles, goods and assets without the need for direct contact
(as found in magnetic stripe technology) or line of sight contact (as found in bar code
technology). RFID technology can track the movements of objects through a network of
radio-enabled scanning devices over a distance of several metres.

A device called an RFID tag (or simply a tag) is a key component of the technology. An
RFID tag usually has at least two components:
1.

an integrated circuit for modulating and demodulating radio signals and
performing other functions;

2.

an antenna for receiving and transmitting the signal.

An RFID tag can perform a limited amount of processing and has small amount of
storage. RFID tags are sometimes considered to be enhanced “electronic barcodes”2.

RFID tags that do not have any integrated circuit are called chipless RFID tags (also
known as RF fibres). These tags use “fibres or materials that reflect a portion of the
reader's...

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