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Dynamic integrity measurement method for security of electronic government cloud platform

A dynamic integrity and integrity measurement technology, applied in the direction of platform integrity maintenance, electrical components, transmission systems, etc., can solve the problems of redundant file measurement work, not supporting the integrity reporting mechanism, lack of specified process measurement, etc. Accuracy, reducing the number of verifications, and improving the effect of verification performance

Inactive Publication Date: 2013-01-16
SOUTH CHINA UNIV OF TECH
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  • Summary
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  • Claims
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Problems solved by technology

But there are still the following three problems: file measurement work is tedious, the measurement of the specified process lacks specific practical applications, and the real-time integrity reporting mechanism is not supported.

Method used

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  • Dynamic integrity measurement method for security of electronic government cloud platform
  • Dynamic integrity measurement method for security of electronic government cloud platform
  • Dynamic integrity measurement method for security of electronic government cloud platform

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] Such as figure 1 As shown, the overall structure of the present invention is divided into a hardware layer, a kernel layer and an application layer.

[0021] At the hardware layer, the trusted computing module (TPM) prevents the integrity of some hardware and software layers in the system (including electronic documents, of course) from being tampered with by malicious code or other malicious operations. In this paper, the integrity information of the electronic document is stored in the platform configuration register (PCR). By default, the PCR value cannot be unsealed, so the integrity information of the electronic document cannot be inversely calculated from the PCR value.

[0022] In the kernel layer, as mentioned above, in order to realize the measurement of specified files and specified processes, the integrity measurem...

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Abstract

The invention provides a high-dynamic degree and high-security dynamic integrity measurement method for the security of an electronic government cloud platform. An integrity measurement architecture (IMA) is involved. The method comprises the following steps of: setting a double linked list in a kernel for a specified process and a specified file respectively, storing measurement results of the process and the file, and expanding the measurement results into corresponding program control registers (PCR) by using a terminal-to-computer multiplexer (TCM) chip. The specification refers to that a file to be measured is determined by an authority department, for example, a government department is required to strictly protect certain official documents; and the measurement of the specified process mainly aims to improve the security of a computer system and assist in protecting the integrity of a confidential official document.

Description

technical field [0001] The invention belongs to the field of information security access control. Background technique [0002] In recent years, the development of e-government has been rapid and has made outstanding contributions to the country's economic development, but the development of network and information technology is increasingly unable to meet the needs of e-government construction. In order to deepen the application of e-government, realize resource sharing, and ensure the security of information and data, a method of combining cloud computing with e-government has emerged. Cloud computing can improve the security and performance of e-government and reduce the cost. However, because cloud computing is based on the Internet, the cloud computing platform itself is vulnerable to illegal security threats. The traditional method to ensure the security of the platform status is mainly based on the security policy mechanism of the operating system and other third-pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/50H04L29/06H04L29/08
Inventor 刘发贵王亮明张浩熊智
Owner SOUTH CHINA UNIV OF TECH
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