Low-complexity identity authentication method based on intelligent card and under multiserver environment
An identity authentication and multi-server technology, applied in the direction of user identity/authority verification, digital data authentication, etc., can solve the problems of inability to resist server rejection attacks, man-in-the-middle attacks, smart card loss attacks, etc., to avoid user anonymity attacks and forward attacks, Effect of reducing hash operations, avoiding loss attacks and impersonation attacks
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0021] In the low-complexity identity authentication method based on smart card multi-server environment proposed by the present invention, three participants are included: user U i , the server S and the registration center RC, where the registration center owns the system key x and shares the key with the servers in the system.
[0022] A low-complexity identity authentication method based on a smart card multi-server environment, including a registration step, a login step and an authentication step, wherein the registration step further includes that the registration center and the smart card c...
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