Recently, Om et al. proposed three-factor remote user authentication protocol using ElGamal cryptosystem and ensured that it is withstands to various kinds of security attacks. But, the authors review carefully Om et al.'s scheme and discover that it unable to resist three attacks (like password...

Recently, Wireless Mesh Network is deliberated as a significant technology due to its self-healing and self-organizing characteristics. In WMN, data is forwarded through multiple hops to the destination node. One of the factors that impact the network performance is the secure communication...

This article describes how the simplicity of data transmission made eavesdropping by malicious people easier. This became one the flaws of computer security that needs to be handled. In order to establish a secure data communication, many data security techniques were developed to ensure...

This article describes how after the concept of anonymous credential systems was introduced in 1985, a number of similar systems have been proposed. However, these systems use zero-knowledge protocols to authenticate users, resulting in inefficient authentication during the stage of proving...