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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.:

US 12306802 B1

PDFFull Text
Date of Patent:
May. 20, 2025

Filed:

Jan. 06, 2023

Hierarchical key management for cross-region replication

Applicant:

Oracle International Corporation, Redwood Shores, CA (US);

Inventors:

Vikram Singh Bisht, Seattle, WA (US);

Satish Kumar Kashi Visvanathan, San Jose, CA (US);

Haoran Qi, San Francisco, CA (US);

Viggnesh Venugopal, Santa Clara, CA (US);

Assignee:

Oracle International Corporation, Redwood Shores, CA (US);

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Shaqueal D Wade-Wright

Int. Cl.
CPC ...
H04L 9/14 (2006.01); G06F 9/50 (2006.01); G06F 16/11 (2019.01); G06F 16/174 (2019.01); G06F 16/176 (2019.01); G06F 16/178 (2019.01); G06F 16/182 (2019.01); G06F 16/185 (2019.01); G06F 16/22 (2019.01); G06F 16/23 (2019.01); G06F 16/27 (2019.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
G06F 16/1844 (2019.01); G06F 9/505 (2013.01); G06F 16/128 (2019.01); G06F 16/1756 (2019.01); G06F 16/1774 (2019.01); G06F 16/178 (2019.01); G06F 16/185 (2019.01); G06F 16/2246 (2019.01); G06F 16/2365 (2019.01); G06F 16/27 (2019.01); G06F 21/602 (2013.01); G06F 21/6218 (2013.01); H04L 9/0894 (2013.01);
Abstract

Novel techniques are described for performing hierarchical key management involving an end-to-end file storage replication between different cloud infrastructure regions. The novel hierarchical key management comprises three different keys, a first security key for the source region, a session key, valid only for a session, for the transfer of data between two different regions, and a second security key for the target region. Novel techniques are also described for using different file keys for different files of a file system in each region.

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