Communication content encryption and decryption method and encryption management method based on CS mode

A technology of communication content and management method, applied in the field of encrypted communication, can solve the problems of hidden dangers of property and personal safety, reduced management efficiency, slow encryption rate of soft algorithm, etc.

Active Publication Date: 2014-05-14
中电科网络安全科技股份有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] When using clear text communication to manage equipment, the management content is public, and third-party equipment can steal management content or control content from the communication network, and steal the management authority of industrial control equipment by copying the management content. Great property and personal safety hazard
[0004] When using soft algorithms to implement management encryption processing, because the soft encryption application processing capability of the general industrial control equipment CPU is not strong, the encryption rate using soft algorithms is relatively slow, which greatly reduces management efficiency

Method used

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  • Communication content encryption and decryption method and encryption management method based on CS mode
  • Communication content encryption and decryption method and encryption management method based on CS mode
  • Communication content encryption and decryption method and encryption management method based on CS mode

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Embodiment Construction

[0095] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0096] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0097] CS mode refers to at least two devices, one of which is a management device (servicer) and the other is a controlled device (custom). There is a signal connection between the management device and the controlled device. The two devices communicate with each other, and the management device Used to manage and control controlled devices. For clarity, in the present invention, the content that the management device needs to send to the controlled device due to management work is called management...

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Abstract

The invention discloses a communication content encryption and decryption method and an encryption management method based on a CS mode, and relates to the information security technology. The novel encryption management method can improve encryption speed through hardware encryption. The encryption management method is characterized by comprising the steps of preparation, management device message packaging, controlled device message unpackaging, controlled device message packaging and management device message unpackaging.

Description

technical field [0001] The invention relates to information security technology, in particular to an encrypted communication method. Background technique [0002] The existing management content based on CS mode (custom-servicer) is usually encrypted with plain text or soft algorithm. [0003] When using clear text communication to manage equipment, the management content is public, and third-party equipment can steal management content or control content from the communication network, and steal the management authority of industrial control equipment by copying the management content. Great property and personal safety hazards. [0004] When using soft algorithms to implement management encryption processing, because the soft encryption application processing capability of general industrial control equipment CPU is not strong, the encryption rate using soft algorithms is relatively slow, which greatly reduces management efficiency. Contents of the invention [0005] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L29/06
Inventor 周强
Owner 中电科网络安全科技股份有限公司
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