In global mobility networks, user authentication is an essential security mechanism that
permits mobile users to use the roaming services offered by foreign agents with the support …

User authentication scheme is an essential issue for offering roaming service to mobile
users in global mobile network (GLOMONET). However, designing an anonymous user …

The user authentication scheme is a useful mechanism for verifying the legitimacy of a
remote user over insecure network environments. Recently, smart card-based user …

Wireless communications have become one of the most key parts in our everyday life, which
give us facility on work and life but they still bring a great security risk. A crucial problem with …

A user authentication scheme is a mechanism employed by a server to authenticate the
legality of a user before he/she is allowed to access the resource or service provided by the …

Security is an essential requirement in mobile ad hoc network (MANETs). In this paper, we
proposed the survey of countermeasures of all security attacks of network layer in MANETs …

In this paper, we shall point out that an authentication scheme for the global mobility network
(GLOMONET) is insecure. An insider attacker can obtain a authentication key of a user by …

Most existing Turbo unequal error protection (UEP) codes provide two error protection levels
at the cost of extending the block size of the codeword or increasing the computational …