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IEICE TRANSACTIONS on Fundamentals

An Approximate Scheme of Oblivious Transfer with Probabilistic Receipt

Shoichi HIROSE, Susumu YOSHIDA

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Summary :

An efficient scheme is proposed which achieves the oblivious transfer with probabilistic receipt, α-OT, approximately for 0 < α < 1. The proposed scheme approximates α-OT with 2-i-OT for i = 1,2,...,k. It implements γ-OT for some γ such that (α - 2-k) / (1 - 2-k) < γ α with - log (1 - α) invocations of 2-1-OT and at most 2 invocations of 2-i-OT for each i = 2,...,k. These invocations can be executed in parallel.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.1 pp.280-281
Publication Date
2004/01/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Information Security

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