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:
Jan. 12, 2021
Filed:
May. 31, 2018
Samsung Sds Co., Ltd., Seoul, KR;
In Seon Yoo, Seoul, KR;
SAMSUNG SDS CO., LTD., Seoul, KR;
Abstract
Provided is a system of encryption key management, which is used by a service provision server which provides a cloud service. The system comprises a key access server which encrypts the service key using a master key corresponding to the service key and provides the service key in response to a service key request from the service provision server and a master key management server which extracts a plurality of key fragments from the master key, processes the extracted key fragments to be stored in a distributed manner, and provides the master key reconstructed from the key fragments in response to a master key request from the key access server.