As a new public key primitive, attribute-based encryption (ABE) is envisioned to be a promising tool for implementing fine-grained access control. To further address the concern o...
Since the Hong Kong SAR Government promulgated the first Digital 21 IT Strategy in November 1998, multiple major initiatives had been launched to establish the underlying infrastr...
Abstract. We propose a general transformation that maps a cryptographic protocol that is secure in an extremely weak sense (essentially in a model where no adversary is present) in...
sion of an extended abstract to be published in Advances in Cryptology—EUROCRYPT 2007, Springer-Verlag, 2007. Available online from the IACR Cryptology ePrint Archive as Report 2...
Policy-based messaging (PBM) aims at carrying security policies with messages, which will be enforced at recipient systems to provide security features. PBM promotes a distributed...