Conference Papers
Memorability of the Mundane: Exploring Capturable Everyday Memory for Autobiographical Authentication,
Sauvik Das, Eiji Hayashi, Jason Hong,
In Proceedings of Ubicomp 2013, 2013
Full Paper [to appear]
Investigating Collaborative Mobile Search Behaviors,
Shahriyar Amini, Vidya Setlur, Zhengxin Xi, Eiji Hayashi, Jason Hong,
In Proceedings of MobileHCI 2013, 2013
Short Paper [to appear]
Goldilocks and the Two Mobile Devices: Going Beyond All-Or-Nothing Access to a Device's Applications,
Eiji Hayashi, Oriana Riva, Karin Strauss, A.J. Bernheim Brush, Stuart Schechter,
In Proceedings of the Symposium On Usable Privacy and Security (SOUPS 2012), 2012
Full Paper [pdf]
WebTicket: Account Management Using Printable Tokens,
Eiji Hayashi, Bryan Pendleton, Faith Kursat Ozenc and Jason Hong,
In Proceedings of the 2012 ACM Conference on Human Factors in Computing Systems (CHI 2012), 2012
Full Paper [pdf]
TimeBlocks: "Mom, Can I Have Another Block of Time?",
Eiji Hayashi, Martina A Rau, Zhe Han Neo, Nastasha Tan, Sriram Ramasubramanian and Eric Paulos
In Proceedings of the 2012 ACM Conference on Human Factors in Computing Systems (CHI 2012), 2012
Short Paper [pdf]
Security through a Different Kind of Obscurity: Evaluating
Distortion in Graphical Authentication Schemes,
Eiji Hayashi, Jason Hong, Nicolas Christin,
In Proceedings of the 2011 ACM Conference on Human Factors in Computing Systems (CHI 2011), 2011
Full Paper [pdf]
A Diary Study of Password Usage in Daily Life,
Eiji Hayashi, Jason Hong,
In Proceedings of the 2011 ACM Conference on Human Factors in Computing Systems (CHI 2011), 2011
Short Paper [pdf]
Use Your Illusion: Secure Authentication Usable Anywhere
Eiji Hayashi, Nicolas Christin, Rachna Dhamija, and Adrian Perrig
In Proceedings of the Symposium on Usable Privacy and Security (SOUPS 2008).
Pittsburgh, PA. July 2008
Full Paper [pdf]
[slides]
[demo site]
Undercover: Authentication Usable in Front of Prying Eyes
Hirokazu Sasamoto, Nicolas Christin, and Eiji Hayashi
In Proceedings of the 2008 ACM Conference on Human Factors in Computing Systems (CHI 2008), pages 183-192. Florence, Italy. April 2008
Full Paper [pdf]
Workshop Papers
CASA: context-aware scalable authentication,
Eiji Hayashi, Sauvik Das, Shahriyar Amini, Emmanuel Owusu, Jun Han, Jason Hong, Ian Oakley, Adrian Perrig, Joy Zhang,
Workshop on Usable Privacy & Security for Mobile Devices (U-PriSM), 2012
Other Publications
New Directions in Multisensory Authentication,
Pervasive 2009 Adjunct Proceedings, pp.103-106, May 11-14, 2009, Nara, JAPAN.
Madoka Hasegawa, Nicolas Christin, and Eiji Hayashi,
Late Breaking Results [pdf]