Signcryption is a cryptographic primitive that provides authentication and confidentiality simultaneously in a single logical step. It is often required that multiple senders have...
S. Sharmila Deva Selvi, S. Sree Vivek, C. Pandu Ra...
Computer security systems protect computers and networks from unauthorized use by external agents and insiders. The similarities between computer security and the problem of prote...
Stephanie Forrest, Steven A. Hofmeyr, Anil Somayaj...
Recently, some collisions have been exposed for a variety of cryptographic hash functions [20,21] including some of the most widely used today. Many other hash functions using simi...
Informally, a public-key steganography protocol allows two parties, who have never met or exchanged a secret, to send hidden messages over a public channel so that an adversary can...
Recent years saw the rapid development of peer-topeer (P2P) networks in a great variety of applications. However, similarity-based k-nearest-neighbor retrieval (k-NN) is still a c...