RFID Security - Evil Avatar Comics

cribabsurdElectronics - Devices

Nov 27, 2013 (3 years and 4 months ago)

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RFID Security


By Mike Weldon

Overview


Concerns


Methods of protection




RFID Security Concerns


Privacy


Product Information


Shipping Information

Methods of Protection


Kill Codes


Insubvertible Encryption


Selective Blocking


Distance Measurement


Kill Codes

A kill code is a special pin
-
code that can disable
the RFID chip.

Insubvertible Encryption


Requirements: Re
-
writeable RFID Tags


Certifications of authorization and randomized
encryption

Selective Blocking


Specialized RFID tag


Requires an authorization code


Spamming tag (simulates all frequencies)


Reusability


Distance Measurement


Signal
-
to
-
noise measurement


Distance implies trust

Primary Sources



http://www.rsa.com/rsalabs/node.asp?id=2119


http://en.wikipedia.org/wiki/RFID#Security_concerns


http://portal.acm.org
:


Untraceable RFID Tags via
Insubvertible

Encryption

The Blocker Tag:


Selective Blocking of RFID Tags for Consumer Privacy


Untraceable RFID Tags via
Insubvertible

Encryption


Questions

1.
Which of the following is
not

a security
prevention method?

A.
Distance Measurement

B.
Tag Cloaking

C.
Kill Codes

D.
Selective Blocking

2.
How do RFID Kill Codes work?

3.
What are retailers afraid of in regards to RFID
security?