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» Number Theoretic Attacks on Secure Password Schemes
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WWW
2005
ACM
15 years 10 months ago
A convenient method for securely managing passwords
Computer users are asked to generate, keep secret, and recall an increasing number of passwords for uses including host accounts, email servers, e-commerce sites, and online finan...
J. Alex Halderman, Brent Waters, Edward W. Felten
IEEEIAS
2009
IEEE
14 years 7 months ago
An Improved Scheme of Single Sign-on Protocol
In order to avoid security threats caused by password attack and replay attack in single sign-on protocal, the most methods on sovling these issues are making use of complicated te...
Yang Jian
WWW
2007
ACM
15 years 10 months ago
A password stretching method using user specific salts
In this paper, we present a password stretching method using user specific salts. Our scheme takes similar time to stretch a password as recent password stretching algorithms, but...
ChangHee Lee, Heejo Lee
CCS
2007
ACM
15 years 3 months ago
Do background images improve "draw a secret" graphical passwords?
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...
Paul Dunphy, Jeff Yan
AVI
2006
14 years 11 months ago
Design and evaluation of a shoulder-surfing resistant graphical password scheme
When users input their passwords in a public place, they may be at risk of attackers stealing their password. An attacker can capture a password by direct observation or by record...
Susan Wiedenbeck, Jim Waters, Leonardo Sobrado, Je...