Dynamic code reconstruction control system based on security protection strategy

A technology of management and control system and protection strategy, applied in the field of communication, can solve the problem of eavesdropping of system transmission information.

Active Publication Date: 2016-04-13
SHENZHEN UNIV
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Problems solved by technology

However, the conventional OCDMA system works under the OOK system. For special eavesdroppers with energy detectors and spectrometers, optical information can still be detected. Therefore, fixed encoding and decoding cannot solve the problem of system transmission information being eavesdropped.

Method used

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  • Dynamic code reconstruction control system based on security protection strategy
  • Dynamic code reconstruction control system based on security protection strategy
  • Dynamic code reconstruction control system based on security protection strategy

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Embodiment Construction

[0026] To solve the problem of safe transmission of optical information, optical encoding and decoding must be variable, and the codewords of optical encoders and optical decoders can be reconfigured. This change and reconstruction must be realized by the management and control system.

[0027] The invention discloses a dynamic code reconstruction management and control system based on a safety protection strategy, which can be controlled from a visual interface to realize the code word reconstruction of an optical codec system and secure transmission of optical information to prevent eavesdropping.

[0028] Such as figure 1 As shown, the dynamic code reconstruction management and control system based on the security protection strategy includes a security policy module, an optical code knowledge base module, an optical code resource configuration module, and a control module;

[0029] The security policy module is used to propose a security policy to determine the conversion ...

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Abstract

The invention provides a dynamic code reconstruction control system based on a security protection strategy. The system comprises a security strategy module, an optical code resource configuration module and a control module. The system has the following advantages: the dynamic code reconstruction control system based on the security protection strategy is the core of a dynamic code reconstruction optical CDMA secure transmissions system with an anti-interception function, is applied to an anti-interception optical fiber communication secure transmission system, and is widely applied to military communication systems in the national defense military field and fiber communication systems with high security requirements such as government organs, enterprise groups, communication between islands and the like in social and economic fields.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a dynamic code reconstruction management and control system based on security protection strategies. Background technique [0002] In the existing optical fiber communication system, the user information is converted into an optical signal through an optical transmitter, and after long-distance transmission through an optical fiber, the original user information is restored by an optical receiver to realize long-distance communication. However, due to the open waveguide characteristics of optical fibers, there must be inherent security problems in the physical layer, which makes the system vulnerable to eavesdropping. The "Prism Gate" incident has revealed that more than 200 optical cables have been tapped, and facts have proved that the existing optical fiber communication system is not safe. [0003] Using OCDMA Optical Code Division Multiple Access (OCDMA Optical Code ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/85H04J13/10H04L29/06
CPCH04B10/85H04J13/10H04L63/205
Inventor 王可吉建华张志朋蒲涛方涛刘志强李沼云杨淑雯
Owner SHENZHEN UNIV
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