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2010•Science and Technology of West ChinaRequires access

A Digital Signature Scheme Based on Discrete Logarithms and Factoring

Liping Yang

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Abstract

At present,the security of public key cryptography system is mainly built on a mathematical problem,such as the discrete logarithm problem and the factorization problem.With development of technology and cryptography,it is difficult to ensure that these mathematical problems are not solved.But it is unlikely to solve these problems at the same time.This paper proposes a new digital signature scheme and analyzes security of the new scheme,shows the scheme is based on discrete logarithms and factoring simultaneously.

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What this paper is about

At present,the security of public key cryptography system is mainly built on a mathematical problem,such as the discrete logarithm problem and the factorization problem.With development of technology and cryptography,it is difficult to ensure that these mathematical problems are not solved.But it is unlikely to solve these problems at the same time.This paper proposes a new digital signature scheme and analyzes security of the new scheme,shows the scheme is based on discrete logarithms and factoring simultaneously.

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Available abstract

At present,the security of public key cryptography system is mainly built on a mathematical problem,such as the discrete logarithm problem and the factorization problem.With development of technology and cryptography,it is difficult to ensure that these mathematical problems are not solved.But it is unlikely to solve these problems at the same time.This paper proposes a new digital signature scheme and analyzes security of the new scheme,shows the scheme is based on discrete logarithms and factoring simultaneously.

Key concepts: Discrete logarithm, Factoring, Digital signature, Post-quantum cryptography, Scheme (mathematics), Cryptography, Logarithm, Public-key cryptography

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