| The acceleration of information technology has enhanced the development of information security, information system construction, popularization and application of power grid enterprises are accompanied with high standards for information confidentiality, integrity and availability. Identity management is becoming a critical link for information construction. Power grid enterprises have extensive areas with complex composing of people, which is difficult to manage, therefore ordinary approach for authentication system are not able to meet requirements for safety of the enterprises. Major tasks of this article include:To design a unified identity authentication system standard for power grid enterprises based on PKI Standards, which takes the lead all over the country.In accordance with PKI Standards, we design a set of solutions with practicability, security, integrity, and distinguishing features for identity authentication system. It includes the company's overall framework design, power industry certificate system design, application support design, ID authentication client design, encryption and decryption certificate format design, application authentication system design etc. All of them are designed with reference to application status at home and abroad and related standard codes, which is in the domestic leading level.The elliptical curve algorithm is applied in the user identity authentication system so as to ensure the security and data integrity of user identity authentication.This article attached most importance to specification design of the user identity authentication system and technology research of data security upgrade based on PKI and finished an in-depth study and practice on both areas. The system trial running and testing shows that it has reached the design targets and requirements, which has a certain practical and theoretical significance for development of the user identity authentication technology of domestic power enterprises. |
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