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Beidou short message communication system based on quantum key

A Beidou short message and communication system technology, applied to key distribution, can solve problems such as inability to guarantee data security, inability to guarantee session keys, etc., achieve reliable communication, achieve reliability, and increase capacity

Active Publication Date: 2021-12-10
CAS QUANTUM NETWORK CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The key is the main parameter of the encryption operation. The security of the key determines the security of the encrypted data. If the session key cannot be guaranteed, the security of the data cannot be guaranteed.

Method used

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  • Beidou short message communication system based on quantum key
  • Beidou short message communication system based on quantum key

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions in the application, the present invention will be further described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all embodiments . Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the scope of protection of this application. The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] figure 1 is a schematic structural diagram of the communication system of the Beidou short message based on the quantum key of the present invention, wherein Alice represents the client or message initiator, and Bob represents the server or message receiver. figure 1 The medium quantum network uses a quantum communicatio...

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Abstract

The invention provides a Beidou short message communication system based on a quantum key. The communication system comprises a site A and a site B. The site A comprises a client Beidou communication terminal, a client server and a client QKD device. The site B comprises a server-side Beidou communication terminal, a server-side server and server-side QKD equipment; the client QKD device and the server QKD device communicate through a quantum network, and negotiate to generate a same quantum key K; beidou short message communication is realized between the client side server and the server side server through the client side Beidou communication terminal and the server side Beidou communication terminal. According to the invention, the security of Beidou short message communication data is realized by comprehensively applying a quantum communication technology and a symmetric key encryption technology; the reliability of Beidou short message communication is realized by applying a timeout retransmission mechanism technology; and the capacity of Beidou short message communication is improved by applying a large packet splitting mechanism technology.

Description

technical field [0001] The invention relates to the field of quantum communication, in particular to a communication system of a Beidou short message based on a quantum key. Background technique [0002] In the existing technology, when using Beidou short messages to communicate, in order to ensure the security of the data, the traditional key is usually used in combination with the symmetric key encryption technology to encrypt the data before transmission. [0003] The existing technology only encrypts the data of the Beidou short message, and does not realize the reliable communication of the Beidou short message (the data sent by the Beidou short message does not guarantee that the other end will receive it) and does not solve the communication bandwidth of the Beidou short message (Beidou short message communication can transmit up to 78 bytes of data at a time). [0004] The prior art uses traditional keys combined with symmetric key encryption technology to encrypt d...

Claims

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Application Information

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IPC IPC(8): H04W4/14H04W12/033H04W12/0431H04W12/106H04L9/08
CPCH04W4/14H04L9/0852H04W12/0431H04W12/033H04W12/106Y02D30/70
Inventor 肖波
Owner CAS QUANTUM NETWORK CO LTD
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