Implementing authentication method and system
An authentication system and authentication information technology, applied in the direction of user identity/authority verification, etc., can solve the problems of user legitimacy verification, lack of user-to-network authentication capability, and inability to achieve two-way authentication between network and user.
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[0063] The present invention utilizes the DHCP authentication mechanism to solve the security problem and realize the authentication of the user to the network; at the same time, in order to solve the roaming problem, the shared key required by the DHCP authentication is used for the authentication of the user accessing the network, and the re-authentication is initiated through the DHCP network device, The DHCP mechanism can be effectively used to support re-authentication. At the same time, a cascading authentication relationship is formed between the authentication server-DHCP network equipment-DHCP CLIENT, and this relationship is used to complete the access authentication of the authentication server to the user. Because the present invention is based on the authentication of each user, the security is fully guaranteed.
[0064] The first embodiment provided by the present invention is the first method for realizing authentication. Its core is: after the DHCP network devi...
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