US Patent Issued to SAP on Oct. 7 for "Encrypt shared data with an aggregate key derived from multiple crypto keychains" (Oregon Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,699, issued on Oct. 7, was assigned to SAP SE (Walldorf, Germany).

"Encrypt shared data with an aggregate key derived from multiple crypto keychains" was invented by Sunil Jain (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an implementation, all individual data owner key encryption keys (KEKs) are concatenated, as a concatenated key, to form a single longer key. A key derivative function (KDF) is applied to the concatenated key to derive an aggregateKey of a certain target property. Policy-as-code is applied to verify a current validity/authority of the aggregateKey on data of an individual data owner to allow any operations on th...