Pass-Go, a New Graphical Password Scheme, Hai Tao, Master thesis, Univeristy of Ottawa, Canada, June 2006. [pdf]
Hai Tao and Carlisle Adams, Pass-Go: A Proposal to Improve the Usability of
Graphical Passwords, International Journal of Network Security, vol. 7, no.
2, 2008, pp. 273-292. [pdf]
Pass-Go is a graphical password scheme in which a user selects the intersections of a grid as a way to input a password. Pass-Go was inspired by the Go Game, an old Chinese game.