The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 2019
Filed:
Jan. 06, 2016
Applicant:
Alibaba Group Holding Limited, George Town, Grand Cayman, KY;
Inventors:
Yingfang Fu, Beijing, CN;
Shuanlin Liu, Hangzhou, CN;
Yabin Gao, Beijing, CN;
Xiuzhong Chen, Beijing, CN;
Assignee:
ALIBABA GROUP HOLDING LIMITED, Grand Cayman, KY;
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0858 (2013.01); H04L 9/0855 (2013.01);
Abstract
A quantum key distribution system is provided. The quantum key distribution system includes a plurality of routing devices configured to relay keys and a quantum key distribution device connected with the routing devices and configured to use two or more different paths to perform corresponding quantum key negotiations with another quantum key distribution device to obtain shared keys. The two or more different paths each include one or more of the routing devices.