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Remote user authentication is an important and efficient method to ensure security for many network-based application systems. So far, several dynamic identity based authentication schemes have been proposed to protect the user's anonymity. Recently, Sood pointed out the security weaknesses of a dynamic identity based authentication scheme, which was proposed by Wang et al. presented an improved scheme...
Recently, An pointed out the weaknesses of Das's three-factor remote user authentication scheme, and proposed an improved biometric based three-factor remote user authentication scheme. An's scheme improves the security problems of previous schemes while keeping the efficiency. However, after detailed analysis, we find that An's scheme exists some weaknesses such as vulnerable to denial-of-service...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.