Digital identity credentials are a key enabler for important online services, but widespread theft and misuse of such credentials poses serious risks for users. We believe that an ...
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...
In recent times information flow and non-interference have become very popular concepts for expressing both integrity and privacy properties. We present the first general definitio...
We demonstrate how the framework that is used for creating efficient number-theoretic ID and signature schemes can be transferred into the setting of lattices. This results in cons...
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...