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:
Oct. 18, 2022
Filed:
Nov. 17, 2020
Applicant:
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Inventor:
Jiayi Shao, Zhejiang, CN;
Assignee:
Alipay (Hangzhou) Information Technology Co., Ltd., Hangzhou, CN;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 16/23 (2019.01); G06Q 20/38 (2012.01); G06Q 20/40 (2012.01); G06Q 40/02 (2012.01); H04L 9/06 (2006.01); H04L 9/30 (2006.01); H04L 9/32 (2006.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
H04L 9/0827 (2013.01); G06F 16/2379 (2019.01); G06Q 20/3825 (2013.01); G06Q 20/3829 (2013.01); G06Q 20/401 (2013.01); G06Q 40/02 (2013.01); H04L 9/0637 (2013.01); H04L 9/0643 (2013.01); H04L 9/0825 (2013.01); H04L 9/30 (2013.01); H04L 9/3247 (2013.01); H04L 9/3297 (2013.01); G06Q 2220/00 (2013.01); H04L 9/50 (2022.05);
Abstract
Disclosed herein are methods, devices, and apparatuses, including computer programs stored on computer-readable media, for managing a cryptographic key. One of the methods includes: receiving a request for a signature on transaction data; allocating a key manager corresponding to the request; and obtaining, by the key manager, the signature on the transaction data and the cryptographic key, wherein the cryptographic key is a public key, and the signature on the transaction data is obtained based on a private key corresponding to the public key.