Authentication method and device for kernel in operation system of firewall

An authentication method and operating system technology, applied in the field of kernel authentication in operating systems, can solve problems such as system security risks and kernel error-prone, and achieve the effects of improving security, reducing error rates, and preventing tampering.

Inactive Publication Date: 2014-01-01
DAWNING INFORMATION IND BEIJING
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Problems solved by technology

[0004] Aiming at the problem in the related art that the operating system kernel loaded with the firewall is prone to errors and causes security risks in the system, the present invention proposes an authentication method and device for the kernel in the operating system, which can prevent the kernel file of the firewall system from being tampered with or incomplete situation, reduce the error rate of loading the firewall, and improve the security of the system

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  • Authentication method and device for kernel in operation system of firewall
  • Authentication method and device for kernel in operation system of firewall
  • Authentication method and device for kernel in operation system of firewall

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0035] According to an embodiment of the present invention, a kernel authentication method in an operating system of a firewall is provided.

[0036] like figure 1 As shown, the authentication method according to the embodiment of the present invention may include:

[0037] Step S101, when the kernel is loaded, the kernel file corresponding to the kernel can be calculated to obtain the calculation result, preferably, the MD5 (Message Digest Algorithm5, message digest algorithm fifth edition)...

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Abstract

The invention discloses an authentication method and device for a kernel in an operation system of a firewall. The authentication method comprises steps of under the condition of loading the kernel, calculating a kernel file corresponding to the kernel to obtain a calculation result; comparing the calculation result with authentication information of the kernel file stored in advance; judging whether the kernel is allowed to be loaded according to the comparison result. By means of the authentication method, when the kernel of the firewall is loaded, the kernel file is first authenticated, and then judgement is performed on whether the kernel is allowed to be loaded. Therefore, manipulation or incompletion of the kernel file of the firewall system is avoided, the error rate of firewall loading is reduced, and safety of the system is improved.

Description

technical field [0001] The invention relates to the field of firewalls, and particularly relates to a kernel authentication method and device in an operating system of the firewall. Background technique [0002] When the system is started, the operating system kernel of the firewall needs to be loaded into the system memory first. The usual system design is to directly load the kernel file of the operating system from the storage medium. If the kernel file is wrong or the kernel file is tampered with, the system may fail to load or cause security risks, and the existing system loading method defaults to the operating system kernel file of the firewall as trusted, and the integrity check of the kernel file is not performed. . [0003] Aiming at the problem in the related art that the operating system kernel loaded with the firewall is prone to errors and causes security risks in the system, no effective solution has been proposed so far. Contents of the invention [0004]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/51
CPCG06F21/51
Inventor 白秀杰
Owner DAWNING INFORMATION IND BEIJING
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