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:
Dec. 26, 2023
Filed:
Jun. 24, 2021
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Hong Qing Zhou, Shanghai, CN;
Yan Lin Ren, Shanghai, CN;
Zong Xiong Z X Wang, Beijing, CN;
Zhang Li, Han Dian District, CN;
Xiao Ling Chen, Changping District, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/14 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0825 (2013.01); H04L 9/0822 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01);
Abstract
In an approach, a processor obtains an encrypted data key and a first encrypted protection key from a storage device. A processor sends the first encrypted protection key to a first device. A processor obtains a protection key from the first device, wherein the protection key is generated by the first device through decrypting the first encrypted protection key. A processor decrypts the encrypted data key using the protection key to obtain a data key.