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:
Sep. 07, 2021
Filed:
Jan. 30, 2020
Alibaba Group Holding Limited, Grand Cayman, KY;
Yingfang Fu, Beijing, CN;
Shuanlin Liu, Beijing, CN;
ALIBABA GROUP HOLDING LIMITED, Grand Cayman, KY;
Abstract
A method for quantum key output is disclosed. The method can be implemented by a first quantum key management device. The method can comprise acquiring a first quantum key from a first quantum key distribution device, according to the obtained first key acquisition request, and storing the acquired first quantum key in a first management device address range in a first storage media, the first management device address range having the same address range indicator as a second management device address range in a second storage media for storing a corresponding second quantum key acquired by a second quantum key management device, wherein the address range indicator is one of a pair of head address and a tail address, a head address and a range length, or a head address and a length of one of the first quantum key or the second quantum key.