3 search results - page 1 / 1 » Authentication using graphical passwords: effects of toleran... |
SOUPS
2005
ACM
13 years 10 months ago
2005
ACM
Graphical passwords are an alternative to alphanumeric passwords in which users click on images to authenticate themselves rather than type alphanumeric strings. We have developed...
COMPSAC
2009
IEEE
13 years 2 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...
CCS
2007
ACM
13 years 11 months ago
2007
ACM
Draw a secret (DAS) is a representative graphical password scheme. Rigorous theoretical analysis suggests that DAS supports an overall password space larger than that of the ubiqu...