Oracle International Corporation

Haoran Qi

Satish Kumar Kashi Visvanathan

Vikram Singh Bisht

Viggnesh Venugopal

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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Haoran Qi