Demonstrating possession without revealing factors

Hiroki Shizuya, Kenji Koyama, Toshiya Itoh

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents a zero-knowledge 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.

Original languageEnglish
Pages (from-to)39-46
Number of pages8
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE77-A
Issue number1
Publication statusPublished - 1994 Jan

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