ID-Based Adaptive Oblivious Transfer

Authors:
Fangguo Zhang;Xingwen Zhao;Xiaofeng Chen
Affiliations:
School of Information Science and Technology,Guangdong Key Laboratory of Information Security Technology, Sun Yat-Sen University, Guangzhou, P.R. China 510275;School of Information Science and Technology,Guangdong Key Laboratory of Information Security Technology, Sun Yat-Sen University, Guangzhou, P.R. China 510275;Key Laboratory of Computer Networks and Information Security, Ministry of Education, Xidian University, Xi'an, P.R. China 710071
Venue:
Information Security Applications
Year:
2009

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Abstract

The adaptive oblivious transfer is a variant of oblivious transfer. To the best of our knowledge, the existing adaptive oblivious transfer schemes are all constructed in the setting of public key infrastructure. In this paper, we first introduce the notion of ID-based adaptive oblivious transfer. We also show that a generic construction of ID-based adaptive oblivious transfer can be obtained if there exists an ID-based unique blind signature. Another main contribution in this paper is that we propose a provable secure round-optimal ID-based unique blind signature scheme and the resulting ID-based adaptive oblivious transfer scheme.