A device virtualization Xen-based system and method for trusted computer security

The present invention belongs to the field of application virtualization technology, particularly relates to computer security is based on a trusted Xen virtualization system apparatus and method. The system includes a virtual trusted device, a trusted virtual trusted device comprises a rear driving device virtualization, virtual trusted device and a trusted rear distal drive management module; trusted virtual device driver provided at the front end of the virtual guest system , the virtual system is also provided with the client application, the application by the trusted device virtualization provided trusted front-end drivers in the device domain privileged virtual operating system of the rear end driving connection; rear trusted privilege management module provided domain operating system, virtual trusted device with rear drive and trusted hardware device is connected. The present invention provides a trusted device for the virtual customer service system to ensure that in the case of virtual guest operating system credible, trusted device to lift the original virtualization technology to rely on a trusted device simulation tools, to achieve localization trusted device virtualization.