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Quantum encryption service transmission method and related equipment in multi-domain scenario

A business transmission and quantum encryption technology, which is applied in transmission systems, digital transmission systems, and key distribution, can solve the problems of low utilization efficiency of key pool key resources and long time consumption, and achieve the effect of shortening the transmission time of business encryption

Active Publication Date: 2022-06-24
BEIJING UNIV OF POSTS & TELECOMM
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  • Description
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Problems solved by technology

At present, a lot of research has been done on the construction of key pools in the domain, which can meet the business security encryption in the domain, but the key construction of the key pool takes a long time and the key resource utilization efficiency of the key pool is low. At the same time, in comparison In the real scene, there is no related work research on the inter-domain key pool

Method used

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  • Quantum encryption service transmission method and related equipment in multi-domain scenario
  • Quantum encryption service transmission method and related equipment in multi-domain scenario
  • Quantum encryption service transmission method and related equipment in multi-domain scenario

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Embodiment Construction

[0030] In order to make the objectives, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below with reference to the specific embodiments and the accompanying drawings.

[0031] It should be noted that, unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should have the usual meanings understood by those with ordinary skill in the art to which the present disclosure belongs. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things.

[0032] As described in the background art, at present, a lot of research has been done on the construction of key pools in the domain, which can meet the security encryption of services in the domain, but the key construction of the key pool...

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Abstract

The present disclosure provides a quantum encryption service transmission method and related equipment in a multi-domain scenario. The method includes: in response to determining that the source node and the destination node are not in the same domain according to the information of the source node and the destination node carried in the received service transmission request, based on the network topology information of the first node in the first domain where the source node is located , the second node network topology information in the second domain where the destination node is located and the inter-domain virtual network topology information between the first domain and the second domain, select the cross-domain link from the source node to the destination node; from the pre-built Retrieving the first quantum key resource corresponding to the cross-domain link from the global quantum key pool; using the first quantum key resource to perform encrypted transmission of the service indicated by the service transmission request through the cross-domain link. The method can realize encrypted transmission of services between domains, and improve the independence and security of key resources between different domains.

Description

technical field [0001] One or more embodiments of the present disclosure relate to the field of quantum communication, and in particular, to a quantum encryption service transmission method and related equipment in a multi-domain scenario. Background technique [0002] With the rapid development of quantum computers, the traditional network security architecture will be seriously threatened. The quantum key distribution technology has gradually made breakthroughs in theory and system, and the point-to-point quantum key distribution technology has become mature. Quantum key distribution is based on the principles of quantum physics (eg, Heisenberg's uncertainty principle, the law of quantum unclonability), which theoretically guarantees its unconditional security. [0003] Quantum key distribution (QKD) uses quantum mechanical properties to ensure communication security. It enables both parties in a communication to generate and share a random, secure key to encrypt and dec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/08H04L9/40
CPCH04L9/0852H04L9/0819H04L63/0428
Inventor 郁小松王清平赵永利张杰
Owner BEIJING UNIV OF POSTS & TELECOMM
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