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A Chaotic Encryption Method Based on Logistic Map

A chaotic encryption, encryption and decryption technology, applied in the field of video encryption technology, can solve problems such as immature encryption algorithms, and achieve the effect of meeting real-time encryption requirements, high security and high performance

Active Publication Date: 2022-03-18
BEIJING ELECTRONICS SCI & TECH INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are a large number of chaotic encryption algorithms available, these encryption algorithms are not mature and still need further research

Method used

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  • A Chaotic Encryption Method Based on Logistic Map
  • A Chaotic Encryption Method Based on Logistic Map
  • A Chaotic Encryption Method Based on Logistic Map

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Embodiment Construction

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] According to one embodiment of the present invention, propose a kind of lightweight chaotic encryption method, comprise the steps:

[0040] Involved in the technical solution of video transmission prototype system:

[0041] (1) Design of the scheme:

[0042] (1.1) server end: at first the technical scheme of the present invention will utilize the camera of notebook to gather video, capture video frame then, by data query, this function can ...

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Abstract

The invention discloses a chaotic encryption method based on Logistic mapping, which is applied to video encryption and decryption transmission, including a server and a client, the server is used as the sending end, and the client is used as the collecting end, the steps are as follows: Step 1: The sending end collects video and captures video frames; Step 2: Set the video frame acquisition frame rate, and encode the captured video frames; Step 3: Encrypt the encoded video using the chaotic encryption algorithm of Logistic mapping; Step 4 : Create a network transmission protocol RTP session for real-time transmission, and send encrypted data; Step 5: The collection end creates a thread, and uses the network transmission protocol RTP session for real-time transmission to receive data packets; Step 6: Use Logistic mapping for the received video The chaotic encryption algorithm is used to decrypt; Step 7: Decode the received video; Step 8: Display the video frame with the picture display control.

Description

technical field [0001] The invention is a chaotic encryption method based on Logistic mapping, which can efficiently and safely encrypt real-time video. Background technique [0002] In recent years, video has become an important carrier of information, and the content of video in transmitted information is becoming larger and larger. Therefore, the security of video during transmission has aroused people's attention and thinking, and has become an important research field. Video encryption is an important means to protect the security of video during transmission, and researching a high-performance encryption algorithm suitable for real-time video information is the key to solving the problem of online video security. Video information has the characteristics of large data volume, special coding structure, and strong real-time requirements. These characteristics put forward new requirements for existing encryption algorithms: while ensuring its security, real-time video en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/2347H04N21/4405H04N21/6437H04N21/266
CPCH04N21/2347H04N21/4405H04N21/6437H04N21/26613
Inventor 李晓东刘北圣金鑫
Owner BEIJING ELECTRONICS SCI & TECH INST
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