COMPSAC
2009
IEEE
13 years 9 months ago
2009
IEEE
Click based graphical passwords that use background images suffer from hot-spot problem. Previous graphical password schemes based on recognition of images do not have a sufficient...
ACSAC
2004
IEEE
14 years 3 months ago
2004
IEEE
We study the impact of selected parameters on the size of the password space for "Draw-A-Secret" (DAS) graphical passwords. We examine the role of and relationships betw...