Flush-Reload cache side channel attack defense method and device in cloud environment
A channel attack and cache state technology, applied in the field of system security to achieve the effect of defending cache side channel attacks
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[0030] The defense solution of the present invention is generally used as a security product provided by cloud service providers to users. When users need it, they can purchase the security service to protect instances from Flush-Reload cache side-channel attacks. In the following, the instance to be protected is called the target instance, and the target process runs in it; the instance used to run the protection process is called the protection instance; the instance that implements the attack is called the attack instance, and the attack process runs in it. The technical solutions in the embodiments of the present invention will be described clearly and in detail below in conjunction with the accompanying drawings.
[0031] The flow process of the inventive method is as figure 1 shown. First, the cloud service provider determines the security-sensitive modules that users need to protect. The selection of modules can be provided by the cloud service provider for reference,...
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