A video chaotic secure communication device and method

A technology of secure communication and chaotic encryption, which is applied in the directions of secure communication devices, image communication, digital transmission systems, etc., can solve problems such as difficult processing and difficult Ethernet transmission design, and achieve the effect of improving computing speed

Active Publication Date: 2019-05-21
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of design difficulty, the Ethernet transmission design based on the TCP / IP protocol is difficult and the stability is relatively difficult

Method used

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  • A video chaotic secure communication device and method
  • A video chaotic secure communication device and method
  • A video chaotic secure communication device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] figure 1 It is a schematic structural diagram of a video chaos secure communication device provided in Embodiment 1 of the present invention. Such as figure 1 As shown, the embodiment of the present invention provides a video chaos secure communication device, which includes:

[0070] Video sending end and video receiving end, described video sending end comprises the first FPGA chip, raw video data buffer, data sending device, camera and first display, described video receiving end comprises the second FPGA chip, deciphered video data buffer area, a data receiving device and a second display;

[0071] The first FPGA chip includes a video acquisition module, a first HDMI controller, a first VDMA, a second VDMA, a chaotic encryption module and a network sending module;

[0072] The video acquisition module is used to control the camera to collect video data, and save it to the original video data buffer through the first VDMA;

[0073] The first HDMI controller is co...

Embodiment 2

[0138] Embodiment 2 of the present invention provides a video chaos secure communication method. The method is performed by the video chaos secure communication device provided by the embodiment of the present invention, the video chaos secure communication device includes a video sending end and a video receiving end, and the video sending end includes a first FPGA chip, an original video data buffer, a data Sending device, camera and first display, described video receiving terminal comprises second FPGA chip, deciphered video data buffer, data receiving device and second display; Described first FPGA chip comprises video capture module, first HDMI controller , the first VDMA, the second VDMA, a chaotic encryption module and a network sending module; the second FPGA chip includes a second HDMI controller, the third VDMA, a chaotic decryption module and a network receiving module; the method includes:

[0139] The video acquisition module controls the camera to collect video ...

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Abstract

The invention discloses a video chaotic secure communication device and method. The device comprises a video sending end and a video receiving end, the video sending end comprises a first FPGA chip, an original video data buffer area, a data sending device, a camera and a first display, and the video receiving end comprises a second FPGA chip, a decrypted video data buffer area, a data receiving device and a second display; The first FPGA chip comprises a video acquisition module, a first HDMI controller, a first VDMA, a second VDMA, a chaotic encryption module and a network sending module. The second FPGA chip comprises a second HDMI controller, a third VDMA, a chaotic decryption module and a network receiving module; The invention provides a technical scheme. Based on the high-end FPGA platform technology, the purpose of chaotic secure communication of video data on a hardware platform is achieved, the method has the advantages of being higher in safety, better in real-time performance, low in design difficulty and the like, daily application and commercial popularization of the video chaotic secure communication technology can be accelerated, and the method has huge commercial application value.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of secure communication, and in particular, to a video chaos secure communication device and method. Background technique [0002] In recent years, there have been many reports on the realization of real-time video chaotic secure communication using low-end FPGA technology platforms. Due to insufficient hardware resources and data processing capabilities, low-end FPGA technology platforms have been restricted in the hardware implementation and application of video chaotic secure communication. greater restrictions. Using high-end FPGA technology platform to achieve higher security and better real-time multimedia chaos security communication is a hot topic that people pay attention to in recent years. As we all know, using FPGA technology to realize video chaotic secure communication requires comprehensive consideration from various perspectives such as security, real-time performan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/4408H04N21/4405H04N21/2347H04N21/433H04N21/231H04L9/00
Inventor 陈宝桔禹思敏陈平肖梁山
Owner GUANGDONG UNIV OF TECH
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