We deal with two claws of Zhou-Gollmann's fair nonrepudiation protocol. Firstly, their protocol divides a message into 2 parts, i.e., a key K and a ciphertext C. Then, C is d...
Due to their nature, Peer-to-Peer (P2P) systems are subject to a wide range of security issues. In this paper, we focus on a specific security property, called the root authenticit...
Public Key Infrastructure (PKI) security depends upon secure management and usage of trust anchors. Unfortunately, widely used mechanisms, management models and usage practices re...
—Enterprise computing is moving towards more open, collaborative systems. Joining a business network must be made efficient, despite the technical and semantic interoperability ...