Secure and granular index for information retrieval

Details Secure and granular index for information retrieval Secure and granular index for information retrieval

2011-01-18

2011-01-18

Vu, Kimyen (Department: 2435)

Information security

Prevention of unauthorized use of data including prevention...

Access control

C713S150000

Reexamination Certificate

active

07874013

ABSTRACT:
A method and apparatus for a secure and granular index for information is described herein. According to one embodiment of the invention a computer-implemented method is described including evaluating a user query against a set of documents having sub-document level security control, determining a security access for said user, and providing a result for the user query based on the security access for the user and the sub-document level security control.

REFERENCES:
patent: 2005/0004924 (2005-01-01), Baldwin
E. Shmueli, R. Waisenberg, Y. Elovici, and E. Gudes. “Designing secure indexes for encrypted databases”, In S. Jajodia and D. Wijesekera, editors, Proceedings of Data and Applications Security, 19th Annual IFIP WG 11.3 Working Conference, vol. 3654 of Lecture Notes in Computer Science, pp. 54-68. Springer-Verlag, 2005.
International Preliminary Report on Patentability, Application No. PCT/US2007/008786, dated Feb. 24, 2009.
http://www.oracle.com/technology/products/text/x/tech—overviews/imt—815.html#Section—groups.
Ohtaki, Y., “Constructing a searchable encrypted log using encrypted inverted indexes,” International Conference on Cyberworlds, 2005, Nov. 23-25, 2005, relevant parts: pp. 1, 3-5.
B. Waters, D. Balfanz, G. Durfee, and D. Smetters, “Building an encrypted and searchable audit log”. In Proceedings of the 11thNetwork and Distributed System Security (NDSS) Symposium, Internet Society (ISOC), Feb 2004. Relevant Part: p. 3.
B. Schneier and J. Kelsey, “Secure audit logs to support computer forensics”, ACM Transactions on Information and System Security (TISSEC), 2(2):159-176, 1999, Relevant Part: p. 164.
International Search Report and Written Opinion for PCT/US07/0786 mailed Aug. 18, 2008, 12 pages.

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