The problem of key management in access hierarchies studies ways to assign keys to users and classes such that each user, after receiving her secret key(s), is able to independentl...
Mikhail J. Atallah, Marina Blanton, Keith B. Frikk...
Classic security systems use a trust model centered in the authentication procedure, which depends on a naming service. Even when using a Public Key Infrastructure as X.509, such s...
Altair Olivo Santin, Joni da Silva Fraga, Carlos M...
Abstract. In 1998, Blaze, Bleumer, and Strauss proposed a cryptographic primitive called proxy re-encryption, in which a proxy transforms – without seeing the corresponding plain...
— With the increasing demand for secure and high-quality communications in public access wireless IP networks, it is very important to have an in-depth understanding of the relat...
Mobile ad hoc networks (MANETs) offer communication over a shared wireless channel without any pre-existing infrastructure. Forming peer-to-peer security associations in MANETs i...
Johann van der Merwe, Dawoud S. Dawoud, Stephen Mc...