A novel high-security optical link confidential communication method based on random shunt encrypted transmission

A technology of encrypted transmission and confidential communication, which is applied in the field of new high-security optical link confidential communication, can solve security threats and other problems, and achieve the effect of enhancing security, increasing difficulty, and high-security confidential communication transmission

Active Publication Date: 2021-07-09
NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, developed countries are competing to develop high-performance computing technologies, especially powerful new computing technologies such as quantum computing, neural network computing, and cloud computing. The link confidential communication transmission mode poses a huge security threat

Method used

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  • A novel high-security optical link confidential communication method based on random shunt encrypted transmission
  • A novel high-security optical link confidential communication method based on random shunt encrypted transmission
  • A novel high-security optical link confidential communication method based on random shunt encrypted transmission

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Embodiment Construction

[0013] (1) Technical framework of a novel high-security optical link confidential communication method

[0014] The core idea of ​​the new high-security optical link confidential transmission method proposed by the present invention is to implement true randomization (one-time secret) split transmission on the data stream (encrypted by the self-synchronization sequence) transmitted by the link, and divide this True random bit stream encryption is organically combined with traditional serial cipher encryption. Randomize the link data stream (encrypted by the self-synchronization sequence) by outputting a constant quantum true random bit stream at the same rate as the link. This randomized stream mechanism conceals the All the format characteristics of the transmitted data stream, and due to the true randomness of the quantum random bit stream, the one-time pad true random stream encryption is realized; and then the security protection of the one-time pad true random code stream...

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Abstract

The invention discloses a novel high-security optical link confidential communication method based on random shunt encrypted transmission. The optical link communication security device includes a self-synchronization sequence encryption module, a self-synchronization sequence decryption module, and two external synchronization sequences Encryption module, 2 external synchronization sequence decryption modules, 1 quantum true random bit stream generator module, 1 randomized stream splitting sending module, 1 random stream combining receiving module, the self-synchronizing sequence encryption module and self-synchronizing sequence Between the decryption modules are two channels consisting of a randomized flow distribution sending module, an external synchronization sequence encryption module, SDH optical fiber transmission equipment, an external synchronization sequence decryption module, and a random flow combination receiving module. The method described in the present invention has the ability to resist the adversary using the powerful computing power of high-performance computers including quantum computing to implement deciphering and analysis attacks, and can realize high-security confidential communication on wide-area optical transmission links deployed on the seabed and on land .

Description

technical field [0001] The invention relates to a novel high-safety optical link secret communication method based on random shunt encrypted transmission. Background technique [0002] At present, developed countries are competing to develop high-performance computing technologies, especially powerful new computing technologies such as quantum computing, neural network computing, and cloud computing. The link confidential communication transmission mode poses a huge security threat. [0003] In the existing wide-area secure communication network, the remote link connection is mainly realized by optical fiber transmission, and the optical fiber transmission link is not sensitive to the eavesdropping of optical signals, and it is easy for the opponent to eavesdrop halfway, so as to obtain the transmission code stream of the optical link The complete ciphertext information contained in it, and then advanced new high-performance computing technology is used to decipher and anal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/08H04L9/14H04B10/85
Inventor 李大双樊矾徐兵杰何远杭田波
Owner NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
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