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:
Aug. 02, 2022
Filed:
Nov. 27, 2019
Applicant:
Teeware Co., Ltd., Daejeon, KR;
Inventors:
Nohyun Kwak, Daejeon, KR;
Yunjong Jeong, Daejeon, KR;
Assignee:
TEEWARE CO., LTD., Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 21/53 (2013.01); H04L 9/30 (2006.01); H04L 9/32 (2006.01); G06F 21/31 (2013.01); G06Q 20/38 (2012.01);
U.S. Cl.
CPC ...
H04L 9/0894 (2013.01); G06F 21/31 (2013.01); G06F 21/53 (2013.01); G06Q 20/3829 (2013.01); H04L 9/30 (2013.01); H04L 9/3247 (2013.01); H04L 9/3263 (2013.01); G06Q 2220/00 (2013.01);
Abstract
A transaction signature method performed in a system for storing and managing keys, which is implemented as a computer, may include the steps of configuring a cluster based on a node and generating a private key according to a BIP-32 protocol from an internal key of the cluster among a plurality of managed keys in a trusted execution environment (TEE) of the node within the configured cluster and signing transactions.