Inter-partition communication method and device for virtual machine monitor, storage medium and terminal

Abstract

The invention discloses an inter-partition communication method and device for a virtual machine monitor, a storage medium and a terminal. The method comprises the steps that a communication initiating partition sends a communication request to a communication receiving partition through a right item manager; after receiving the communication request, the communication receiving partition performspreset operation on a key node configuration file of a system of the communication receiving partition, and sends a preset value obtained by the operation to a first register of the right item manager; the right item manager loads a security preset value corresponding to the communication receiving partition in a local log file according to the communication request, and stores the security preset value in a second register of the right item manager; and whether the preset value in the first register is the same as the safety preset value in the second register is judged. According to the method and the device, communication security management among the partitions is converted into access permission management on a shared memory, so the communication of each partition is decoupled, and the stored security preset values are encrypted to ensure information security.

Description

Technical field [0001] The present invention relates to the technical field of embedded virtual machine monitoring platforms, in particular to a method and device, storage medium and terminal for communication between virtual machine monitor partitions. Background technique [0002] Hypervisor, also called Virtual Machine Monitor, is an intermediate software layer that runs between the physical server and the operating system, allowing multiple operating systems and applications to share a set of basic physical hardware to coordinate access to the server All of the physical devices and virtual machines can be regarded as the "meta" operating system in the virtual environment. Hypervisor is the core of all virtualization technologies. When the server starts and executes the Hypervisor, it allocates an appropriate amount of memory, CPU, network, and disk to each virtual machine, and loads the guest operating system of all virtual machines. [0003] At present, the application of emb...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that existing embedded virtual machine monitors have information security issues related to virtualization technology. Specifically, once a partition regulated by the virtual machine monitor is maliciously invaded or information is leaked, other partitions are also easily Being maliciously invaded by malware or leaking information, bringing information security troubles to users

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