| Mobile security also emerge as the times require,but compared to other mobile services,mobile securities business involves mobile user account information,information flows and other very sensitive.The attacker attack once successful,will obtain illegal interests very considerable.So mobile securities business will be lot of network attacks,mobile securities business must have a security authentication system.At the same time as the mobile computing is unable with the traditional desktop,so mobile identity authentication system of securities must be an efficient identity authentication system.The traditional network security authentication system is identity authentication system is applied to the wired network desktop.Safety in the use of mobile devices in wireless network environment of the securities business,can not guarantee,security problems of mobile security have become the bottleneck restricting its development.Identity authentication of Mobile Securities has become a research hotshot in the field of information security.The main contents of this paper include:1)An in-depth study of the identity authentication technology,and points out that the most suitable for mobile securities business authentication mode password based authentication is the way;2)To conduct in-depth study of password authentication technology,and points out that in order to ensure the safety of mobile securities business,must take the identity authentication system based on dynamic password;3)Several password based authentication protocol,and their security analysis,points out the security problems of their existence;4)Proposed a dynamic password identity authentication system based on MSOTP protocol security,its implementation are described in detail.5)The protocol proposed in this paper to analyse the safety,prove that it can resist the attack of typical password authentication protocol.The prop osed MSOTP protocol security proof,prove that it is a kind of identity au thentication protocol is feasible. |
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