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Demonstrating Possession without Revealing Factors
Hiroki SHIZUYA Kenji KOYAMA Toshiya ITOH
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E77A
No.1
pp.3946 Publication Date: 1994/01/25
Online ISSN:
DOI:
Print ISSN: 09168508 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: zeroknowledge proof, factoring, discrete logarithm,
Full Text: PDF>>
Summary:
This paper presents a zeroknowledge interactive protocol that demonstrates two factors a and b of a composite number n (=ab) are really known by the prover, without revealing the factors themselves. Here the factors a and b need not be primes. The security of the protocol is based on the difficulty of computing discrete logarithms modulo a large prime.

