Quantum key charging method, device and system

A technology of quantum key and key filling machine, which is applied in the fields of quantum key filling methods, devices and systems, and can solve problems such as high cost, low coding rate, and limited use range of quantum key filling

Active Publication Date: 2019-11-26
QUANTUMCTEK GUANGDONG CO LTD
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Problems solved by technology

[0004] In view of this, the embodiment of the present application provides a quantum key filling method, device and system to solve the technical problems of limited use range, high cost and low coding rate of quantum key filling in the prior art

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  • Quantum key charging method, device and system
  • Quantum key charging method, device and system
  • Quantum key charging method, device and system

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Embodiment Construction

[0149] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0150] In order to facilitate the understanding of the technical solution provided by the present application, a brief description of the research background of the technical solution of the present application is given below.

[0151]With the development of science and technology, especially with the rapid development of quantum computers, in the fields of finance and communication, in order to improve the security of information transmission, people generally use quantum keys instead of other ordinary keys to realize information encryption and other functions. . Quantum key distribution refers to the key distribution technology based on the measurement principle of quantum mechanics....

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Abstract

The embodiment of the invention discloses a quantum key charging method, device and system. A quantum random number generator is used for replacing a quantum key distribution device, as a source of aquantum key. The quantum random number generator generates the quantum random number to serve as the quantum key, so that a key distribution center can obtain the generated quantum random number, namely the quantum key, from the quantum random number generator and then sends the quantum key to the quantum key charging machine, and then the quantum key charging machine can charge the quantum key into the quantum key storage device. Therefore, according to the embodiment of the invention, the quantum random number generator is used for replacing quantum key distribution equipment, so that the filling of the quantum key is realized, a special quantum network is not needed any more, the application range is not limited any more, the cost is reduced, and the code forming rate is also improved.

Description

technical field [0001] The present application relates to the field of quantum communication, in particular to a quantum key filling method, device and system. Background technique [0002] Due to its high security, quantum keys have been widely used in various fields such as finance and communication. During the use of the quantum key, the quantum key can be filled into the quantum key storage device through the quantum key filling machine for use. In the prior art, the quantum key filling process is usually that two paired quantum key distribution devices negotiate to generate quantum keys, and the two quantum key distribution devices send the same quantum key to the key distribution center respectively And the quantum key filling machine, the key distribution center stores the quantum key in the local storage device, and the quantum key filling machine writes the quantum key into the quantum key storage device, then the key distribution center and the quantum key The ke...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08
CPCH04L9/0869H04L9/0852
Inventor 李凯铭陈洁容游耀祥高锐嘉
Owner QUANTUMCTEK GUANGDONG CO LTD
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