Device and method for automatic safe receiving cipher key of chaos enciphering communication

A communication key, safe and automatic technology, applied in the direction of secure communication device, confidential communication, digital transmission system, etc., can solve the problem of cumbersome operation process, avoid cumbersome, enhance security and confidentiality, and avoid manual transmission and input operation. Effect

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

The original operation process of key manual transmission and entry is cumbersome, and it is inevitable that possible errors or leaks will occur

Method used

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  • Device and method for automatic safe receiving cipher key of chaos enciphering communication
  • Device and method for automatic safe receiving cipher key of chaos enciphering communication
  • Device and method for automatic safe receiving cipher key of chaos enciphering communication

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the device of the present invention is composed of a computer circuit board 1 and a board power supply pin 2 formed by the overall circuit installation, and a telephone lead-in socket 3, a serial communication interface socket 4, and an LED work indicator light are installed on the circuit board The socket 5, the ready button socket 6, and the manual reset button socket 7 are electrically connected to corresponding points on the circuit board respectively.

[0019] Such as figure 2 As shown, on the circuit board 1, the analog off-hook circuit 9 and the ringing detection circuit 11 are directly connected to the telephone lead-in line 8, and the polarity protection circuit 10 receives and decodes the signal line through the analog off-hook signal line and the encryption key respectively. , the voice channel s...

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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 phone leadin, socket of serial communications interface, socket of LED operation indicator, socket of ready button and socket of hand-reset button are installed. The device works in cooperation with the safe device of automatic transmitting cipher key of chaos enciphering communication system. Subsequent multiple deciphering processing is carried out after signal of multiple encrypting keys is received from transmission party through telephone line. Nonvolatile memory stores the resolved original cipher key, which is provided to chaos enciphering communication for further declassifying. The procedure is completed in independent safe channel automatically with no manual work. The invention raises intellectualized degree and security.

Description

technical field [0001] The invention relates to the technical field of encrypted communication and automatic reception, in particular to the reception, decryption and control technology of a microprocessor, in particular to a safe automatic reception device and method for a chaotic encrypted communication key. Background technique [0002] At present, in a system that uses chaotic encryption technology to perform chaotic encrypted communications on the Internet, the chaotic key needs to be transmitted to the other party through another independent secure channel. The current practice is to rely on personnel to pass or manually receive the key transmitted by a medium such as telephone or fax, and then manually transcribe. The original operation process of key manual transmission and entry is cumbersome, and possible errors, omissions or leaks are unavoidable. Contents of the invention [0003] The object of the present invent...

Claims

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Application Information

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IPC IPC(8): H04B1/06H04K1/00H04L9/00H04L9/28
Inventor 林土胜徐亚国
Owner SOUTH CHINA UNIV OF TECH
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