Barcodes

Barcodes Michael Smith NoVA Hackers 01/11/2010

Who is Michael Smith?
8 years active duty army
Graduate of Russian basic course, Defense Language Institute, Monterey, CA
DotCom survivor
Infantryman, deployed to Afghanistan (2004)
CISSP #50247 (2003), ISSEP (2005)
Former CISO, Unisys Federal Service Delivery Center
Currently a Manager in a Big Four Firm

Most Important Thing
Barcode
=
Text Input

4 Basic Types
Linear/1D:UPC, Postal, and Shmoo
Matrix/2D: Aztec, PDF-417, QR
Colored/3D: Microsoft
Time-Phased/4D:University of Weimar

Linear/1D UPC-A Code 128 Code 39 Postnet Code 93

Matrix/2D PDF-417 QR Aztec Datamatrix

Colored/3D Source:Wikimedia

Time-Phased/4D Source:University of Weimar If this doesn’t look like an MP3 visualizer with moving color, download the presentation and view it in “slide show mode” or search the Internet.

Barcode Uses
Sales Data Input
Inventory Management
Advertising
Geotagging
Tickets
Hooliganery

Shmoo Barcode
Code 128 with border
Pattern: 8-4-4-4-12 (32 total)
Apparently hex encoding (0-9, a-f)
Code 128 has full ASCII character set!
Code 128 has limit of 79 characters
Shmoo scanner is lame—1D only <pout>

QR Format Source:Wikimedia

Making Barcodes with Zint http://www.zint.org.uk/zintSite/

Reading Barcodes
Android Market: Barcode Reader (ZXing)
iPhone Store: Barcodes (ZXing)
Blackberry: Beetagg http://get.beetagg.com/
Other Phones (or if the above ones don’t work for you):
http://www.mobile-barcodes.com/qr-code-software/

ZXing Test Page

Playtime….
The Part Where I Pull Out my QR Codes of Fun ™
Note to Self: Remember “The Rules”
For OPSEC reasons these are not provided via the Internetz, see me in person for them.

Questions, Comments, or War Stories?
http://www.guerilla-ciso.com/
rybolov(a)ryzhe.ath.cx

http://www.guerilla-ciso.com	282
http://www.slideshare.net	5
http://www.lmodules.com	2
http://translate.googleusercontent.com	2

Barcodes

by Michael Smith on Jan 13, 2010

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Barcodes — Presentation Transcript