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» Security Policy Consistency
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CCS
2009
ACM
16 years 5 months ago
Expressive policy analysis with enhanced system dynamicity
Despite several research studies, the effective analysis of policy based systems remains a significant challenge. Policy analysis should at least (i) be expressive (ii) take accou...
Robert Craven, Jorge Lobo, Jiefei Ma, Alessandra R...
WISA
2009
Springer
15 years 11 months ago
Mediated Ciphertext-Policy Attribute-Based Encryption and Its Application
In Ciphertext-Policy Attribute-Based Encryption (CP-ABE), a user secret key is associated with a set of attributes, and the ciphertext is associated with an access policy over attr...
Luan Ibraimi, Milan Petkovic, Svetla Nikova, Piete...
SP
2007
IEEE
183views Security Privacy» more  SP 2007»
15 years 10 months ago
Ciphertext-Policy Attribute-Based Encryption
In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
John Bethencourt, Amit Sahai, Brent Waters
SOUPS
2010
ACM
15 years 8 months ago
Encountering stronger password requirements: user attitudes and behaviors
Text-based passwords are still the most commonly used authentication mechanism in information systems. We took advantage of a unique opportunity presented by a significant change...
Richard Shay, Saranga Komanduri, Patrick Gage Kell...
CSFW
2005
IEEE
15 years 10 months ago
Nomad: A Security Model with Non Atomic Actions and Deadlines
Modelling security policies requires means to specify permissions and prohibitions. However, this is generally not sufficient to express security properties such as availability ...
Frédéric Cuppens, Nora Cuppens-Boula...