Xinlei Cai
ABSTRACT
In order to prevent illegal users from malicious attacks on the distribution network dispatching system, a dynamic password-based identity authentication scheme in the distribution network dispatching system is proposed to ensure the safe and stable operation of the distribution network. The challenge-response protocol is used to generate dynamic passwords, and the string space model is used to optimize the constraints of the registration and login phases of the protocol, so that it can meet the requirements of dynamic password mutual authentication. After the password is generated, an out-of-synchronization adjustment mechanism is incorporated into the scheme to enable authentication Able to maintain a high degree of synchronization. The hash calculation of the data string is completed by the Keyed MD5 algorithm, and the hash value input by the client is obtained, and the hash value is compared with the pre-stored hash value. If the two are consistent, the user is directly determined as a legitimate user, otherwise, it is an illegal user. Experiments show that the execution ability of the proposed method is better than that of the traditional method, with higher safety performance and stronger practicability.
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Index Terms
- Design of identity authentication scheme in distribution network dispatching system based on dynamic password
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