Since the number of Internet users for the services such as e-applications is increasing rapidly, authentication constrains more latency as well as load to the system. It is because of large number of users whose identity needs to be checked and compared individually, and the number of simultaneous authentication requests in a specific time. This paper proposes a new definition of group authentication to solve the stated issues. Group authentication is the verification of identity of multiple requests of users at the same time. In this method, the authentication server inputs the multiple authentication requests in a function, and then applies some computations on them. After that, it compares the result to verify the identity of such users all at ones. The results show that group authentication reduces the load of the system as well as the latency of the authentication server process.
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