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Benjamin Güldenring

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Publications by Benjamin Güldenring (bibliography)

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2010
 
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Roth, Volker, Schmidt, Philipp and Güldenring, Benjamin (2010): The IR ring: authenticating users' touches on a multi-touch display. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 259-262.

Multi-touch displays are particularly attractive for collaborative work because multiple users can interact with applications simultaneously. However, unfettered access can lead to loss of data confidentiality and integrity. For example, one user can open or alter files of a second user, or impersonate the second user, while the second user is absent or not looking. Towards preventing these attacks, we explore means to associate the touches of a user with the user's identity in a fashion that is cryptographically sound as well as easy to use. We describe our current solution, which relies on a ring-like device that transmits a continuous pseudorandom bit sequence in the form of infrared light pulses. The multi-touch display receives and localizes the sequence, and verifies its authenticity. Each sequence is bound to a particular user, and all touches in the direct vicinity of the location of the sequence on the display are associated with that user.

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03 Nov 2010: Added

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URL: http://www.interaction-design.org/references/authors/benjamin_g%FCldenring.html

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Featured chapter

Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess

User Experience and Experience Design !

 
 

Our Latest Books

 
 
The Social Design of Technical Systems: Building technologies for communities. 2nd Edition
by Brian Whitworth and Adnan Ahmad
start reading
 
 
 
 
Gamification at Work: Designing Engaging Business Software
by Janaki Mythily Kumar and Mario Herger
start reading
 
 
 
 
The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad
start reading
 
 
 
 
The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam
start reading