Computer Science Department
School of Computer Science, Carnegie Mellon University


Using Camera Phones for Human-Verifiable Authentication

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

November 2004

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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