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File integrity detection method and device

A detection method and integrity technology, applied in electrical components, digital data protection, transmission systems, etc., can solve the problems of low detection efficiency, large memory, high cost, etc., achieve the goal of reducing hardware costs, broad application scenarios, and improving detection efficiency Effect

Pending Publication Date: 2021-06-01
AEROSPACE INFORMATION
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  • Claims
  • Application Information

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Problems solved by technology

However, these detection methods require large memory and hardware support with strong read and write capabilities, which are costly and low in detection efficiency.

Method used

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  • File integrity detection method and device
  • File integrity detection method and device

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Embodiment Construction

[0072] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all of them. Based on the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0073] The file integrity detection method and device provided by the embodiments of the present invention can be used in figure 1 In the system architecture shown, the system may include a first device and a second device. The first device can establish a communication connection with the second device. Among them, after the communication connection is established, the first device can interact with the second device to use relevant algorithms for fi...

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Abstract

The invention discloses a file integrity detection method and device. The method includes: after a data file is segmented according to a preset segmentation algorithm to obtain at least one sub-file and a corresponding sub-file identifier, performing verification calculation on the data file according to a preset verification algorithm to obtain a first verification code of the data file; and sending the at least one sub-file, the corresponding sub-file identifier and the first check code to a second device, so that the second device splices the sub-files corresponding to the sub-file identifier of the at least one sub-file according to a preset splicing algorithm to obtain a target file and obtains a second check code of the target file, and determining the integrity of the target file according to the first check code and the second check code. The method is wide in application scene, data migration requirements can be met in different system environments, the detection efficiency of file integrity detection is improved, and the hardware cost is reduced.

Description

technical field [0001] The present application relates to the technical field of file processing, in particular to a method and device for detecting file integrity. Background technique [0002] Files may be tampered with or data lost during transmission. In order to ensure that a complete file is received, it is necessary to check the integrity of the received file, that is, to compare the received file with the source file to check the integrity. The current implementation The method for file integrity detection may include a method of comparing files line by line, a method of scanning files line by line, and the like. However, these detection methods require large memory and hardware support with strong read and write capabilities, which are costly and low in detection efficiency. Contents of the invention [0003] Embodiments of the present application provide a file integrity detection method and device, which solve the above-mentioned problems existing in the prior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/64H04L29/08
CPCG06F21/64H04L67/06
Inventor 张果斌刘洋
Owner AEROSPACE INFORMATION
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