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Two-Round Witness Hiding Protocol

Qihua NIU, Tongjiang YAN, Yuhua SUN, Chun'e ZHAO, Fei TANG

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Summary :

The concept of witness hiding was proposed by Feige and Shamir as a natural relaxation of zero-knowledge. Prior constructions of witness hiding protocol for general hard distribution on NP language consist of at least three rounds. In this paper we construct a two-round witness hiding protocol for all hard distributions on NP language. Our construction is based on two primitives: point obfuscation and adaptive witness encryption scheme.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.6 pp.953-960
Publication Date
2018/06/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.953
Type of Manuscript
PAPER
Category
Cryptography and Information Security

Authors

Qihua NIU
  China University of Petroleum (Huadong)
Tongjiang YAN
  China University of Petroleum (Huadong),Fujian Province University
Yuhua SUN
  China University of Petroleum (Huadong),Shandong Computer Science Center (National Supercomputer Center in Jinan, Shandong Provincial Key Laboratory of Computer Networks
Chun'e ZHAO
  China University of Petroleum (Huadong)
Fei TANG
  Chongqing University of Posts and Telecommunications

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