Combining method and system for protecting power utilization privacy and integrity in smart power grid
A technology of integrity protection and smart grid, which is applied in transmission systems, digital data protection, digital transmission systems, etc., and can solve problems such as inability to effectively resist collusion attacks
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[0067] The present invention will be further described in detail below in combination with specific embodiments.
[0068] An aggregation method for electricity privacy and integrity protection in a smart grid, in which the smart meter installed in the user records and reports the user's electricity consumption in real time; the gateway with computing power is responsible for the data aggregation function and relay function ;The control center is responsible for collecting, processing and analyzing real-time power consumption data of each user, and providing reliable services; the trusted center is responsible for managing the entire system, the specific steps are as follows:
[0069] System initialization phase:
[0070] 1) The trusted center runs the following algorithm Gen(k) according to the input security parameter k to obtain the parameter , where q is a large safe prime of length k, and chooses the generator of the group G1 ;
[0071] Gen(k): Select two cyclic grou...
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