Cao, Xiang

Seyed, T., Yang, X.D., Tang, A., Greenberg, S., Gu, J., Zhu, B. and Cao, X. (2015)
CipherCard: A Token-Based Approach against Camera-Based Shoulder Surfing Attacks on Common Touchscreen Devices. In Proceedings of the 15th IFIP TC.13 International Conference on Human-Computer Interaction - Interact'2015, Bamberg, Germany, Springer, 18 pages, September 14-18.
Type: Refereed conference (full paper). Earlier version: Report 2014-1063-14 (paper and video), September 2014. 		PDF Paper DOI
Seyed, T., Yang, X.D., Tang, A., Greenberg, S., Gu, J., Zhu, B. and Cao, X. (2014)
CipherCard: Enhancing Security on Common Touchscreen Devices Using Two-Factor Authentication. Research report 2014-1063-14, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, September. Paper and video (3:52 minutes).
Type: Public research report (paper and video). 		Video File PDF Paper