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Non-optimistic Secure Circuit Evaluation Based on ElGamal Encryption and Its Applications

Koji CHIDA, Go YAMAMOTO, Koutarou SUZUKI, Shigenori UCHIYAMA, Noburou TANIGUCHI, Osamu SHIONOIRI, Atsushi KANAI

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Summary :

We propose a protocol for implementing secure circuit evaluation (SCE) based on the threshold homomorphic ElGamal encryption scheme and present the implementation results of the protocol. To the best of knowledge of the authors, the proposed protocol is more efficient in terms of computational complexity than previously reported protocols. We also introduce applications using SCE and estimate their practicality based on the implementation results.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E90-A No.1 pp.128-138
Publication Date
2007/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e90-a.1.128
Type of Manuscript
Special Section PAPER (Special Section on Cryptography and Information Security)
Category
Protocols

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