Cryptology ePrint Archive: Report 2006/332

Improved Efficiency for Private Stable Matching

Matthew Franklin and Mark Gondree and Payman Mohassel

Abstract: At Financial Crypto 2006, Golle presented a novel framework for the privacy preserving computation of a stable matching (stable marriage). We show that the communication complexity of Golle's main protocol is substantially greater than what was claimed in that paper, in part due to surprising pathological behavior of Golle's variant of the Gale-Shapley stable matching algorithm. We also develop new protocols in Golle's basic framework with greatly reduced communication complexity.

Category / Keywords: stable matching, stable marriage, Gale-Shapley, privacy-preserving

Publication Info: This is the full version of an article to appear at CT-RSA 2007.

Date: received 29 Sep 2006, last revised 29 Sep 2006

Contact author: mohassel at cs ucdavis edu

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Version: 20061005:144356 (All versions of this report)

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