Data recovery method and device based on safety critical system

A technology of safe data and recovery method, applied in the field of data security, can solve the problems of low data recovery efficiency and high risk

Active Publication Date: 2020-12-18
卡斯柯信号(北京)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the embodiment of this application is to provide a data recovery method, device, system, equipment and storage medium based on

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  • Data recovery method and device based on safety critical system
  • Data recovery method and device based on safety critical system
  • Data recovery method and device based on safety critical system

Examples

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Embodiment Construction

[0030] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0031] It should be noted that, unless otherwise specified, technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which this application belongs.

[0032] In addition, the terms "first" and "second", etc. are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations the...

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Abstract

The invention provides a data recovery method, device and system based on a safety critical system, equipment and a storage medium, and relates to the technical field of data safety. The data recoverymethod based on the safety critical system comprises the following steps: after initialization or restart, sending a data request message to other equipment in the safety critical system, and preloading locally stored target safety data to a memory, wherein the data request message is used for requesting other equipment to send stored target security data to the first equipment; receiving targetsecurity data returned by at least one of the other equipment; and performing confidence comparison according to the target security data returned by the other equipment and the locally stored targetsecurity data, and triggering and using the target security data loaded to the memory to complete data recovery if the target security data returned by the other equipment is consistent with the locally stored target security data. According to the scheme, the data recovery efficiency of the safety critical system can be effectively improved, and potential safety hazards caused by manual intervention are avoided.

Description

technical field [0001] The present application relates to the technical field of data security, in particular to a data recovery method, device, system, equipment and storage medium based on a security-critical system. Background technique [0002] The safety-critical system represented by the railway signal system is moving towards the trend of reducing the arrangement of equipment along the line in the direction of system evolution. The representative is the introduction of positioning technology including Beidou or GPS to realize the position positioning of the train. Correspondingly, secondary detection equipment is no longer or reduced, including track circuits or axle counting, so as to reduce equipment investment and later maintenance costs, so as to adapt to the application in a wide area. [0003] Taking the Incremental Train Control System (ITCS) as an example, after the system is initialized or the equipment is restarted, the whole line or the corresponding line a...

Claims

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Application Information

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IPC IPC(8): G06F11/14
CPCG06F11/1446
Inventor 韩涛徐庆标左建东焦婷
Owner 卡斯柯信号(北京)有限公司
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