Title:
METHOD FOR MANAGING ENCRYPTION KEY FOR CLOUD SERVICE AND APPARATUS THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/190476
Kind Code:
A1
Abstract:
A key management method according to embodiments of the present invention may comprise the steps of: encrypting a service key used by an instance of a first user of a cloud service, using a master key; generating two or more key pieces for re-generating the master key; distributing and storing the key pieces in two or more host servers included in a host group for providing the cloud service; receiving a request for provision of the service key from the instance of the first user; receiving the key pieces from the two or more host servers and re-generating the master key on the basis of the received key pieces; and decrypting the encrypted service key using the re-generated master key.
Inventors:
YOO IN SEON (KR)
Application Number:
PCT/KR2015/006238
Publication Date:
December 01, 2016
Filing Date:
June 19, 2015
Export Citation:
Assignee:
SAMSUNG SDS CO LTD (KR)
International Classes:
H04L9/08
Foreign References:
| US20150019870A1 | 2015-01-15 | |||
| US20120243687A1 | 2012-09-27 | |||
| US20120179911A1 | 2012-07-12 | |||
| US20020067832A1 | 2002-06-06 | |||
| US20120121088A1 | 2012-05-17 |
Attorney, Agent or Firm:
KASAN IP & LAW FIRM (Hanwon Building2423 Nambusunhwan-ro,Seocho-gu, Seoul 137-867, KR)
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