Secure data exchange technique

Details Secure data exchange technique Secure data exchange technique

2011-08-02

2011-08-02

Pich, Ponnoreay (Department: 2435)

Information security

Prevention of unauthorized use of data including prevention...

C713S168000, C726S022000

Reexamination Certificate

active

07992210

ABSTRACT:
Techniques utilizing common encryption approaches for data from multiple parties enable those parties to discover information that is held in common by the parties without disclosing to any party information that is not held in common by the parties. Encrypted information for each party can be compared to determine which encrypted values match, and those encrypted values can be returned to any of the parties such that a party can determine which corresponding data the parties have in common, without having access to any other data of any other parties.

REFERENCES:
patent: 2004/0148506 (2004-07-01), Prince
patent: 2005/0005164 (2005-01-01), Syiek et al.
“Secure Discovery of Community Intersections,” Nov. 8, 2003, from Brad's life website—<http://www.livejournal.com/users/brad/1932689.html>, pp. 1-7.
“Who's My Secret Crush?” printed from <http://www/crushlink.com/> on Oct. 5, 2004.
Bellare, M. et al., “Keying Hash Functions for Message Authentication,”Proceedings of the 16thAnnual International Cryptology Conference on Advances in Cryptology, Aug. 18-22, 1996, pp. 1-15.
Wayner, P., “Synchronization,” Chapter 5 fromTranslucent Databases, Flyzone Press, 2002, pp. 57-68.

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