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Boot file credible verify based on mobile TPM

A bootstrap file, a trusted technology, applied in the computer field, can solve the problems such as difficulty in verifying the kernel file, no disclosure, etc., and achieve the effects of good versatility and practicability, enhanced authentication strength, and enhanced credibility.

Inactive Publication Date: 2009-04-29
BEIJING JIAOTONG UNIV
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Since the source code of the Windows operating system boot program NTLoader is not public, and Microsoft has not disclosed the structure of its NTFS, therefore, if you want to directly operate the NTFS file system without the help of Windows 2K / XP in the Windows boot stage, the key configuration files and Kernel file verification is often difficult to implement technically

Method used

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  • Boot file credible verify based on mobile TPM
  • Boot file credible verify based on mobile TPM
  • Boot file credible verify based on mobile TPM

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Embodiment Construction

[0029] The implementation steps of the trusted verification of the boot file based on the mobile TPM of the present invention can be achieved through the following deployment:

[0030] The first step is to initialize the mobile TPM through the installation module under the operating system, set the relevant authentication information and the integrity verification information of the verification module during the boot process.

[0031] The second step is to design and realize the driver module for the mobile TPM before the operating system is started in the boot phase. Since the system is still in the real mode environment at this time, it is similar to the operating environment of DOS. Therefore, the driver module can be tested according to the operating environment of the DOS operating system.

[0032] The third step is to put the Part1 code in the 0 sector of the hard disk, move the original MBR (Master Boot Record: Main Boot Record) of the system to the second sector of t...

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Abstract

The invention relates to a guide file credible check based on mobile TPM. The check comprises the following steps: the mobile TPM is initialized; relevant authentication information and check information in a guide process are set; a driving module for the mobile TPM before the start of an operating system at the guide stage is designed and implemented; the driving module is tested according to the operating environment of a DOS operating system; a Part 1 code is arranged at the 0 sector position of a hard disk; an original MBR of the system is moved to a second sector of the hard disk; a Part2 code is arranged at a third sector of the hard disk and a subsequent position thereof; the Part2 code comprises the driving module and a calling interface of the mobile TPM; the credible check is implemented on the reading function of an NEFS file system and files to be read; after the file check is succeeded, the execution is changed from Part2 to an original MBR code. An original process of the system is started for the operation. And the Windows system is ensured to be clean and credible.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to the credible verification of boot files based on mobile TPM. According to the idea of ​​trusted computing, the present invention uses the security function of the mobile TPM (Trusted Platform Module) to check the key configuration files and operating system kernel files before the Windows system is started, so as to ensure that the started Windows operating system is a clean and credible system. operating system. Background technique [0002] Credibility is the foundation of security. In recent years, the trusted computing platform technology, which has been highly concerned, helps to improve the security of the system from the perspective of credibility. The core idea of ​​trusted computing is "trusted delivery". TCG (Trusted Computing Group) proposed two key technologies to realize trusted delivery. One is to introduce a "root of trust" on the computing platform, and the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/00G06F17/30G06F21/57
Inventor 彭双和韩臻刘吉强
Owner BEIJING JIAOTONG UNIV
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