CMU-CS-04-174
Computer Science Department
School of Computer Science, Carnegie Mellon University



CMU-CS-04-174

Seeing-Is-Believing:
Using Camera Phones for Human-Verifiable Authentication

Jonathan M. McCune, Adrian Perrig, Michael K. Reiter

November 2004

CMU-CS-04-174.ps
CMU-CS-04-174.pdf


Keywords: Authentication, key distribution, visual channel, camera, barcode, mobile phone


Today it is difficult to conveniently provide strong authentication between devices that share no prior context, without the assistance of a trusted authority. We present, analyze, and propose applications for Seeing-Is-Believing, a system that utilizes machine vision on camera-phones to achieve security properties formerly unattainable in a non-intrusive way.

22 pages


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