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:
Apr. 11, 2023
Filed:
Jun. 29, 2021
Applicant:
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Inventors:
Changzheng Wei, Hangzhou, CN;
Peng Wu, Hangzhou, CN;
Ying Yan, Hangzhou, CN;
Hui Zhang, Hangzhou, CN;
Changhua He, Hangzhou, CN;
Zongru Zhan, Hangzhou, CN;
Assignee:
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0861 (2013.01); H04L 9/3247 (2013.01);
Abstract
A cryptographic acceleration card generates, using an attribute unique to a blockchain integrated station that comprises the cryptographic acceleration card, an identity private key for the blockchain integrated station. The cryptographic acceleration card generates a private key ciphertext by encrypting the identity private key. The cryptographic acceleration card stores the private key ciphertext.