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Trust transferring method in virtualization environment

A virtualized environment, trust transfer technology, applied in software simulation/interpretation/simulation, instrumentation, digital data authentication, etc., can solve problems such as thorny security issues

Active Publication Date: 2016-07-06
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at the same time, security issues are also very difficult

Method used

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  • Trust transferring method in virtualization environment
  • Trust transferring method in virtualization environment

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Embodiment Construction

[0025] 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.

[0026] Such as figure 1 As shown, the trust transfer communication between Dom0 and DomU in the virtual environment in the present invention is realized through the communication between the front-end and back-end drivers. Among them, DomU transmits the request of applying for a certificate and applying for a verification certificate to the front-end driver, and Dom0 sends the instruction of generating a certificate and destroying a certificate to the back-end driver. It can be seen that the generation, destruction, application, and verification of specific certificates are all driven. But from t...

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Abstract

The invention discloses a trust transferring analysis method based on a virtual machine system and an application program. The method concretely comprises the following steps that firstly, when a user turns on a virtual machine, a server program on a privilege virtual domain Dom0 calls a certificate generation module to generate and to store a certificate uniquely corresponding to ID (Identification) of the user for the user; then, when a non-privilege virtual domain DomU opens the application program needing the trust transferring, the DomU obtains the certificate stored in the Dom0 through a front end drive; then, during the application program log-in, the DomU issues the certificate to a back end, and finds a certificate identical to the certificate in all certificates stored in the Dom0; if the certificate is found, and the log-in privilege of the user is consistent with that stored in the certificate, the trust transferring of the time succeeds, and the user can directly enter the application program; otherwise, the trust transferring of the time fails, and the user needs to enter the application program by inputting a password in a conventional mode; and finally, when the virtual machine is turned off, the Dom0 deletes the certificate.

Description

technical field [0001] The invention belongs to the technical field of virtual environment development, and more specifically relates to a method for transferring trust in a virtual environment. Background technique [0002] With the wide application of computers and communication systems, virtualization technology is also growing rapidly, which brings a lot of convenience to the sharing and management of computer resources. As an important part of cloud computing, virtualization technology is becoming more and more perfect with the development of cloud computing. However, at the same time, security issues are also very difficult issues. Especially in the virtual environment, there is a virtual monitor and many virtual domains, so the mutual trust relationship is particularly complicated. A virtual monitor with a relatively simple structure must transfer trust to multiple virtual machines with complex structures. Compared with the traditional trust chain, the transfer proc...

Claims

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Application Information

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IPC IPC(8): G06F9/455G06F21/44G06F21/57G06F21/60
CPCG06F9/45558G06F21/44G06F21/57G06F21/602G06F21/606G06F2221/034
Inventor 付才余蓓韩兰胜刘铭崔永泉汤学明骆婷
Owner HUAZHONG UNIV OF SCI & TECH