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Security Analysis and Enhancements of a User Authentication Scheme

摘要


With the rapid development of the Internet, telemedicine information system is more and more around us. Still, the security of people's information is one of the biggest limiting factors for the widespread use of telemedicine information systems. Aslam et al. suggest that Amin et al.'s authentication protocol is their analysis of the three-factor authentication protocol is one of the best. Still, through our analysis, we find that Amin et al.'s protocol is susceptible to the agreement of privilege internal attack, replay attack. So on, we base on the agreement Amin et al.'s protocol propose an improved three-factor authentication protocol verified by BAN logic, the performance, and efficiency compared with the agreement of our agreement in the increase in a small amount of calculation has higher security.

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