Side channel attack defense method and device based on dynamic memory remapping and cache clearing
A side-channel attack and dynamic memory technology, applied in the field of network security, can solve problems such as cloud resource sharing, achieve the effect of preventing cache attacks, efficient defense, and ensuring security
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[0041] The present invention will be further clearly and completely described below in conjunction with the accompanying drawings and technical solutions. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0042] An embodiment of the present invention provides a side channel attack defense method based on dynamic memory remapping and cache clearing, which is implemented based on a virtual machine monitor and a hardware multi-level cache architecture, see figure 1 As shown, the method contains the following:
[0043] Collect the virtual machine information running on the virtual machine monitor, the virtual machine information includes at least the physical pages occupied by each virtual machine, and the protect...
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