Microsoft Technology Licensing, LLC

Mike Hamburg

Ravindra Pandya

Vijay G Bharadwaj

Duncan G Bryce

In a storage system, multiple information units are individually associated with an access control policy (ACP) of multiple ACPs. Each respective information unit corresponds to a respective information unit encryption key (IUEK). The multiple information units are grouped into encryption zones based on their associated ACPs. In a described implementation, each ACP is associated with a zone root key (ZRK). In another described implementation, each IUEK corresponding to a given information unit is encrypted by an IUEK corresponding to an information unit at a most-proximate linked node of the storage system.

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Mike Hamburg