Managing encryption keys under group-level encryption

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United States of America Patent

PATENT NO 11683161
APP PUB NO 20220385459A1
SERIAL NO

17333623

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Abstract

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Computer-readable media, methods, and systems are disclosed for managing group-level database encryption keys under group-level encryption in a database management system. Upon startup of the database management system, persisted database entries are sequentially processed to produce an in-memory data structure comprising a set of encryption group identifier metadata tuples having an encryption group identifier and a valid-from save point cycle version. The set of encryption group identifier metadata tuples is mapped to a set of key identifier tuples including a local secure store identifier and a group-level encryption key identifier. A set of group-level encryption keys is received from a key management system, according to which a group-level encryption key is mapped to each encryption group identifier metadata tuple. Finally, an in-memory representation of the mapping between the set of encryption group identifier metadata tuples, the set of key identifier tuples, and the set of group-level encryption keys is constructed.

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Patent Owner(s)

  • SAP SE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thomsen, Dirk Heidelberg, DE 65 360

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