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Research on the Cryptographic Application Technology for Power Information System Based on DL/T 1527-2016 Technology Standard

In order to enhance the security protection level of power information system, this paper has analyzed the logic structure of power information system, further studied the DL/T 1527-2016 technology specification of electric power utilization information security protection. On the basis of interpretation standards, it has researched the overall security strategy for the power information system, developed such security encryption devices as cipher machine, security encryption module, special encryption isolation gateway, etc, designed the double-deck security communication protocol which can applied for the power information system. The security performance of the security strategy, security encryption devices and the double-deck security communication protocol can meet the requirements of DL/T 1527-2016, and also can meet the security protection requirements for the current power information system.