In this article, the authors have proposed a secure two-factor remote user authentication and session key agreement … scheme provides the amenity of mutual authentication and session key agreement safely. The informal security verification has …

Recently, Om et al. proposed three-factor remote user authentication protocol using ElGamal cryptosystem and ensured … robust anonymous identity based authentication scheme for multi-server environment. The authentication proof of the proposed … scheme has validated using BAN (Burrows-Abadi-Needham) logic, which confirms the protocol facilitates mutual authentication …

through peer to peer connections (ad hoc mode). Authentication is one among the most primary research challenges for the … authentication process, which are of major concern for real-time applications and media streaming application. In the same way, it is … traditional authentication mechanisms frequently adopted the names and passwords of clients as login authentication. However …

problems, we propose in this paper an authentication and confidentiality scheme based on homomorphic encryption, and also a …

authentication watermark for each group, embed the watermark using the improved reversible data hiding approach, and hide the mark of …