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Encryption communication method and system of quantum cryptography network extension equipment

A quantum cryptography and encrypted communication technology, which is applied in the field of encrypted communication methods and systems, can solve problems such as hidden dangers of freshness preservation, insufficient keys, and no consideration of expanding network equipment to download keys and keep them secret, achieving increased difficulty and high cracking calculations The effect of complexity and high security

Pending Publication Date: 2022-07-19
QUANTUMCTEK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, when the quantum key is stored in the mobile device and cannot perform encrypted communication in real time, there will be a security risk due to the decrease in freshness. The current technical solution does not consider the confidentiality of the key downloaded on the extended network device (including mobile terminal equipment); and, Due to the particularity of reliable key update of mobile devices, the problem of insufficient keys often occurs due to untimely key update

Method used

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  • Encryption communication method and system of quantum cryptography network extension equipment
  • Encryption communication method and system of quantum cryptography network extension equipment
  • Encryption communication method and system of quantum cryptography network extension equipment

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Embodiment Construction

[0058] The present disclosure will be further described below with reference to the accompanying drawings and embodiments.

[0059] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0060] It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates that There are features, steps, operations, devices, component...

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Abstract

The invention provides an encryption communication method and system for quantum cryptography network extension equipment, and the system comprises a quantum cryptography network terminal which is configured to provide a connection path for an external device to access a quantum cryptography network; the network access authentication server is configured to record authentication information of external equipment and a network access authentication code generated by the authentication information, perform network access request authentication, and are connected with the quantum password network terminal through a quantum secret channel; and the external device key distribution server is configured to provide a quantum key distribution service for the external device, and is used as the external device to use the quantum password to perform information relay of encrypted communication through the quantum password network. According to the invention, the extended network equipment with a small number of quantum keys can be utilized to carry out long-time security encryption communication, and the security of encryption communication is ensured.

Description

technical field [0001] The present disclosure belongs to the technical field of encrypted communication networks, and relates to an encrypted communication method and system of a quantum cryptographic network expansion device. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] Quantum cryptography network is an emerging security network. It consists of two kinds of networks: classical communication network (classical Internet or mobile Internet) and quantum key distribution (QKD) network. The QKD network generates quantum keys, and the classical network uses the quantum keys generated by the QKD network for encrypted communication. Terminals or servers in a quantum cryptography network can communicate with each other through the shared quantum key, which is equivalent to having a quantum secure communication link between them, or a quantum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/40
CPCH04L9/0852H04L9/0869H04L9/085H04L9/0816H04L63/08
Inventor 不公告发明人
Owner QUANTUMCTEK