Password-based remote user authentication schemes are widely investigated, with recent
research increasingly combining a user's biometrics with a password to design a remote …

There is a need for robust and effective trust management. Different security problems result
in different requirements to the design of trust management, and the existing attacks in trust …

Ao longo dos últimos anos, muitos esforços de pesquisa têm se concentrado no avanço das
redes veiculares (VANETs-Vehicular Adhoc Networks), consideradas hoje uma das …

VANETs are vulnerable to malicious attacks. A number of secure authentication schemes
based on asymmetric cryptography have been proposed to prevent such attacks. However …