DKAL is a new declarative authorization language for distributed systems. It is based on existential fixed-point logic and is considerably more expressive than existing authoriza...
Recent advances in hash functions cryptanalysis provide a strong impetus to explore new designs. This paper describes a new hash function mq-hash that depends for its security on t...
Olivier Billet, Matthew J. B. Robshaw, Thomas Peyr...
Abstract. An extension of the λ-calculus is proposed to study historybased access control. It allows for parametrized security policies with a possibly nested, local scope. To gov...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
Abstract. We propose a new and efficient signature scheme that is provably secure in the plain model. The security of our scheme is based on a discrete-logarithm-based assumption p...
The challenge for user authentication in a global file system is allowing people to grant access to specific users and groups in remote administrative domains, without assuming ...
Michael Kaminsky, George Savvides, David Mazi&egra...