Device and method for chaotic encryption communication experiment
A technology of chaotic encryption and experimental device, applied in the direction of secure communication devices, instruments, digital transmission systems, etc., can solve the problems of understanding the principles of chaotic encryption and decryption, difficult for students, etc.
Inactive Publication Date: 2013-12-11
HENAN POLYTECHNIC INST
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[0003] In the teaching of chaos, various experimental instruments for observing and understanding chaos phenomena have been very popular in colleges and universities. Generally, simulation demonstrations are used to explain them. This can only give students a sense of chaos phenomena, and it is difficult for students to understand chaos encryption and Principle of decryption
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[0021] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0022] figure 1 Shown is a schematic diagram of the architecture of the chaotic encrypted communication experimental device of the present invention. See figure 1 , the chaotic encrypted communication experimental device 10 of the present embodiment comprises a signal generation encryption device 12, a signal reception decryption device 13, an oscilloscope 14 and a projector 15, wherein the signal generation encryption device 12, the signal reception decryption device 13 and the projector 15 are all connected with Oscilloscope 14 is connected.
[0023] figure 2 shown as figure 1 A schematic diagram of the architecture of the signal generatio...
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A device for a chaotic encryption communication experiment comprises a signal generating and encrypting device and a signal receiving and decrypting device, the signal generating and encrypting device comprises a signal generator, an encryption module, a first chaotic circuit and a synchronous circuit, the encryption module processes signals to be encrypted and chaotic signals sent by the first chaotic circuit by adopting a convolution model to encrypt the signals to be encrypted, and the synchronous circuit is used for sending out chaotic synchronous control signals. The signal receiving and decrypting device comprises a decryption module and a second chaotic circuit, the chaotic synchronous control signals are used for driving the second chaotic circuit, chaotic synchronous signals are generated by the second chaotic circuit, and the decryption module decrypts the encrypted signals by utilizing the chaotic synchronous signals and adopting a deconvolution model. The invention further provides a method for the chaotic encryption communication experiment. The device and method for the chaotic encryption communication experiment enable users to have visual knowledge about a chaotic phenomenon and a chaotic encryption communication principle.
Description
technical field [0001] The invention relates to a teaching experiment device, in particular to a chaotic encryption communication experiment device and method. Background technique [0002] Chaos refers to a seemingly regular, random-like phenomenon that occurs in a deterministic system. Chaos is a complex nonlinear and non-equilibrium dynamic process, characterized by the fact that the behavior of a chaotic system is a collection of many ordered behaviors, and each ordered component does not play a leading role under normal conditions; chaos It seems random, but they are all deterministic; the chaotic system is extremely sensitive to the initial conditions. For two identical chaotic systems, if they are in a slightly different initial state, they will quickly become completely different states. Chaos is more suitable for the field of secure communication, and the important research direction is the chaos encryption of secure communication. [0003] In the teaching of chao...
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Inventor 尹社会张勇
Owner HENAN POLYTECHNIC INST