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Device for controlling parameters of cipher stream of chaos enciphering communication and method of anti damage

A chaotic encryption and parameter control technology, which is applied in the directions of secure communication devices, secure communication, image communication, etc., can solve the problems of limited software prevention ability, achieve the effect of enhancing the ability of electrical shock and anti-damage, and improving the ability of anti-interference

Inactive Publication Date: 2004-10-27
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a system implemented purely by software, the defense capability of the software itself is limited after all, and it is difficult to maximize the anti-analysis and anti-attack potential

Method used

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  • Device for controlling parameters of cipher stream of chaos enciphering communication and method of anti damage
  • Device for controlling parameters of cipher stream of chaos enciphering communication and method of anti damage
  • Device for controlling parameters of cipher stream of chaos enciphering communication and method of anti damage

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 As shown, the device of the present invention is composed of a computer circuit plug board 1 and a plug board power supply pin 2 formed by the overall circuit installation. A serial communication interface socket 3 and a reset button socket 4 are installed on the circuit plug board, and are connected to the circuit plug respectively. Corresponding points on the board are electrically connected.

[0018] Such as figure 2 As shown, on the circuit board 1, the cipher flow parameter central control processing circuit 9 respectively passes through the serial communication interface signal line, the parameter non-volatile access signal line, the read and write anti-disturbance gating signal line, and the working state monitoring signal line They are respectively electrically connected to the serial communication interface ...

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PUM

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Abstract

The device is composed of plug-in board and pins of supplying power for the board. In the board, socket of serial communications interface, reset button are installed and connected to corresponding points. The device runs embedded software of chaos enciphering communication system, providing separate type controlling parameters of cipher stream in chaos enciphering communication system and dual Nonvolatile memory in multiple zones. After damaged parameters are recovered by self-recovery method of anti defective dual redundancy, the parameters are input to system. The invention raises capability of parameters for anti electrical impaction and anti interference, anti analysis and anti-attack. The method extends randomicity of encryption.

Description

technical field [0001] The invention relates to the technical field of encrypted communication and data processing, in particular to the control and processing technology of a microprocessor, and specifically refers to a chaotic encrypted communication cipher stream parameter control device and an anti-damage method. Background technique [0002] In a system that uses chaotic encryption technology to perform chaotic encrypted communications on the Internet, many chaotic cipher flow parameters are often set in the system software. For a system implemented purely by software, the defense capability of the software itself is limited after all, and it is difficult to maximize the potential of anti-analysis and anti-attack. Contents of the invention [0003] The purpose of the present invention is exactly to the above-mentioned inadequacy that carries out picture-text chaotic encrypted communication on the Internet by the insu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04K1/00H04L9/00H04L9/28H04N1/44
Inventor 林土胜徐亚国
Owner SOUTH CHINA UNIV OF TECH