Active defense method for time sequence side channel attacks facing SDN network
A side-channel attack and active defense technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of difficult SDN framework or hardware, side-channel defense methods, such as high performance cost and compatibility, and achieve low performance cost , The effect of controllable performance overhead
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] Side channel attacks against SDN networks are mainly used to detect whether it is an SDN network, discover flow tables, detect the load of SDN controllers, discover SDN configuration information and security policies, and so on. And most side channel attacks are based on similar side information, so extracting common features and deploying defense measures for them can effectively strengthen the SDN network's ability to resist side channel attacks. The purpose of the present invention is to break through key technologies such as the search of available side channels in the SDN network, the d...
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