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Multi-wing chaotic signal generator and encryption system

A chaotic signal and generator technology, applied in the direction of secure communication, transmission system, and digital transmission system through chaotic signals, can solve problems such as low complexity, easy cracking of encryption systems, and low dimensionality of chaotic signals

Pending Publication Date: 2020-10-27
FOSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The chaotic signal output by the existing chaotic signal generator has low dimensionality and low complexity
Therefore, the encryption system obtained by using the chaotic signal generator also has the problem of being easy to crack

Method used

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  • Multi-wing chaotic signal generator and encryption system
  • Multi-wing chaotic signal generator and encryption system
  • Multi-wing chaotic signal generator and encryption system

Examples

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Embodiment 1

[0045] Embodiment 1, reference figure 1 and figure 2 , a multi-wing chaotic signal generator, comprising: an x ​​signal output terminal, a y signal output terminal, a z signal output terminal, an F connection terminal, a basic chaotic signal generating circuit N1 and a nonlinear function generating circuit N2;

[0046] The basic chaotic signal generating circuit N1 includes: an operational amplifier OP 1 to OP 9 , multiplier MUL 1 to MUL 3 , resistance R 1 to R 19 and capacitance C 1 to C 3 ;

[0047] The nonlinear function generating circuit N2 includes: an operational amplifier OP 10 to OP 31 , multiplier MUL 4 , resistance R 21 to resistor R 62 and the voltage terminal V 1 to V 12 ;

[0048] Operational amplifier OP 1 The output terminal passes through the resistor R 3 with the operational amplifier OP 1 connected to the negative input of the operational amplifier OP 1 The negative input terminal of the resistor R 1 with the operational amplifier OP 5...

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PUM

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Abstract

The invention discloses a multi-wing chaotic signal generator and an encryption system. The multi-wing chaotic signal generator comprises an x signal output end, a y signal output end, a z signal output end, an F connection end, a basic chaotic signal generation circuit N1, and a nonlinear function generation circuit N2. The encryption system performs encryption through the multi-wing chaotic signal generator. The chaotic signal generator can generate complex chaotic signals, improve the signal dimension and improve the complexity of the chaotic signals. The encryption system is larger in secret key space and stronger in anti-decoding capability. The invention is mainly applied to the technical field of chaotic encryption.

Description

technical field [0001] The invention relates to the technical field of chaotic encryption, in particular to a multi-wing chaotic signal generator and an encryption system. Background technique [0002] Since Lorenz discovered the first chaotic system in the 1960s, the chaotic system has been widely used in image encryption, information security and other fields because of its strong sensitivity and dependence on initial conditions and parameters, and unpredictability. s concern. As a deterministic random-like process in nonlinear dynamical systems, chaos has ergodic, mixed and exponential divergence. The chaotic signal output by the existing chaotic signal generator has low dimension and low complexity. Therefore, the encryption system obtained by using the chaotic signal generator also has the problem of being easy to crack. Contents of the invention [0003] The purpose of the present invention is to provide a multi-wing chaotic signal generator and encryption system ...

Claims

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Application Information

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IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 刘扬张朝霞林壮
Owner FOSHAN UNIVERSITY
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