Security protection technology of intelligent electricity selling terminal

In order to solve the problem of power user´s difficulty for power-purchase, intelligent electricity selling terminal is widely used in power selling system. Data´s secure transmission and storage is the bases for intelligent electricity selling terminal to implement its function, ensuring the security of data has become the key technologies to be resolved for intelligent electricity selling terminal. Based on the SIM1 data encryption technology, PKI digital certification authentication technology and SSL communication technology, this paper has proposed the realization mode of the data´s safety protection technology between intelligent electricity selling terminal and power selling master station system.