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整数分解的升级算法及对RSA密码体制的影响

姚金江 武传坤

计算机工程与应用2011,Vol.47Issue(20):91-95,5.
计算机工程与应用2011,Vol.47Issue(20):91-95,5.DOI:10.3778/j.issn.1002-8331.2011.20.027

整数分解的升级算法及对RSA密码体制的影响

Upgrade factorization of integers and impact on RSA cryptosystem

姚金江 1武传坤2

作者信息

  • 1. 山东临沂师范学院理学院,山东临沂276005
  • 2. 中国科学院软件研究所,北京100190
  • 折叠

摘要

Abstract

This paper gives a generalization of Pollard's (p-1) -factorization method so that the generalized algorithm not only works more efficiently,but also works on some integers on which the original Pollard's (p-1)-factorization algorithm does not work; based on the (p-1) -factorization method, it proposes a higher order upgrade factorization algorithm.This paper further proposes a measure on the robustness of prime numbers in terms of resisting factorization.Under this new measure, this paper proposes the concept of stability order of prime numbers, which means that those numbers satisfying Rivest's condition are robust only against the second order upgrade factorization.

关键词

整数分解/(p-1)-算法/RSA 密码体制

Key words

integer factorization/the (p-1)-method/RSA cryptography

分类

信息技术与安全科学

引用本文复制引用

姚金江,武传坤..整数分解的升级算法及对RSA密码体制的影响[J].计算机工程与应用,2011,47(20):91-95,5.

基金项目

国家重点基础研究发展规划(973) (973)

计算机工程与应用

OACSCDCSTPCD

1002-8331

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