Methods to defend against tampering of audit records

Details Methods to defend against tampering of audit records Methods to defend against tampering of audit records

2011-07-19

2011-07-19

Colin, Carl (Department: 2493)

Cryptography

Key management

C713S171000, C713S178000, C713S181000, C726S022000, C726S023000, C709S224000

Reexamination Certificate

active

07983421

ABSTRACT:
Embodiments of the invention provide systems and methods for detection of tampering with an audit record for a database. According to one embodiment, a method for detection of tampering with an audit record for a database can comprise reading one or more audit records for a time period from an audit table. The one or more audit records can each include a time stamp and reading the one or more audit records can comprise reading audit records having a timestamp within the time period. An encrypted record, such as a message digest record, for the time period can be generated based on the one or more audit records and including the time stamps. The message digest record can be stored in a message digest table. In some cases, the message digest table can be maintained in a trusted data store.

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patent: 2009/0199301 (2009-08-01), Chandrasekaran et al.
Waters et al., Building an Encrypted and Searchable Audit Log, 2004, 10 pages.
U.S. Appl. No. 12/024,257, filed Feb. 1, 2008, Office Action mailed Apr. 23, 2010, 7 pages.

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