Non-visual information display using tactons
CHI '04 Extended Abstracts on Human Factors in Computing Systems
Earpod: eyes-free menu selection using touch input and reactive audio feedback
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Vibrapass: secure authentication based on shared lies
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Multi-touch authentication on tabletops
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The haptic wheel: design & evaluation of a tactile password system
CHI '10 Extended Abstracts on Human Factors in Computing Systems
Two heads are better than one: security and usability of device associations in group scenarios
Proceedings of the Sixth Symposium on Usable Privacy and Security
Authentication on public terminals with private devices
Proceedings of the fifth international conference on Tangible, embedded, and embodied interaction
Obfuscating authentication through haptics, sound and light
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Spinlock: a single-cue haptic and audio PIN input technique for authentication
HAID'11 Proceedings of the 6th international conference on Haptic and audio interaction design
Breaking undercover: exploiting design flaws and nonuniform human behavior
Proceedings of the Seventh Symposium on Usable Privacy and Security
A simple modeling method for mobile password schemes and its analysis
Proceedings of the 9th International Conference on Advances in Mobile Computing and Multimedia
Counting clicks and beeps: Exploring numerosity based haptic and audio PIN entry
Interacting with Computers
Making graphic-based authentication secure against smudge attacks
Proceedings of the 2013 international conference on Intelligent user interfaces
Back-of-device authentication on smartphones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Designing leakage-resilient password entry on touchscreen mobile devices
Proceedings of the 8th ACM SIGSAC symposium on Information, computer and communications security
Proximity sensor: privacy-aware location sharing
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Exploring the design space of graphical passwords on smartphones
Proceedings of the Ninth Symposium on Usable Privacy and Security
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Tangible user interfaces are portals to digital information. In the future, securing access to such material will be an important concern. This paper describes the design, implementation and evaluation of a PIN entry system based on audio or haptic cues that is suitable for integration into such physical systems. The current implementation links movements on a mobile phone touch screen with the display of non-visual cues; selection of a sequence of these cues composes a password. Studies reveal the validity of this approach in terms of task times and error rates that improve over prior art. In sum, this paper demonstrates the potential of non-visual PINs as a mechanism for securing access to a range of systems, ultimately incorporating mobile, ubiquitous or tangible interfaces.