Title:
QUANTUM KEY DISTRIBUTION METHOD, DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/196921
Kind Code:
A1
Abstract:
The embodiments of the present application provide a quantum key distribution method, a device, and a storage medium, being used for solving the problem in the prior art that the security of quantum key distribution between nodes is poor. In the embodiments of the present application, an ith node generates a third quantum key corresponding to the ith node of a target routing path according to a determined first quantum key corresponding to the ith node of the target routing path and a determined second quantum key corresponding to the ith node of the target routing path, and sends, to a target node of the target routing path, the third quantum key corresponding to the ith node of the target routing path, or encrypts received first ciphertext using the third quantum key corresponding to the ith node of the target routing path, and sends, to an (i+1)th node in the target routing path, obtained second ciphertext corresponding to the ith node. It can be determined that the ith node does not decrypt the received first ciphertext, thereby improving the security of quantum key distribution.
Inventors:
LI ZHENGYU (CN)
SU CHANGZHENG (CN)
HU SU (CN)
ZOU YANG (CN)
SU CHANGZHENG (CN)
HU SU (CN)
ZOU YANG (CN)
Application Number:
PCT/CN2019/082405
Publication Date:
October 17, 2019
Filing Date:
April 12, 2019
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L9/08
Domestic Patent References:
| WO2004086666A2 | 2004-10-07 |
Foreign References:
| CN105827397A | 2016-08-03 | |||
| CN106330434A | 2017-01-11 | |||
| CN107508671A | 2017-12-22 | |||
| CN107248913A | 2017-10-13 | |||
| CN105471576A | 2016-04-06 | |||
| CN201810332715A | 2018-04-13 |
Other References:
See also references of EP 3780482A4
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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