Volume 6 Number 9 (Sep. 2011)
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JSW 2011 Vol.6(9): 1873-1880 ISSN: 1796-217X
doi: 10.4304/jsw.6.9.1873-1880

A RSA Key Security Gradating Algorithm Based on Threshold Attack Time

Wenxue Tan , Jinju Xi, Xiping Wang

Institute of Network Technology , Hunan University of Arts and Science , Changde , P.R.China; College of Computer Science and Technology , Hunan University of Arts and Science , Changde , P.R.China; College of Economy and Management, Hunan University of Arts and Science Changde , P.R.China

Abstract—In this paper, we pioneer a key security level gradation scheme which is proved to efficient to counteract Iterative-Encrypting-Attack against RSA. And we make it clear that the bug which hides after the traditional key generation algorithm is exploited by Iterative-Encrypting- Attack and weakens RSA security, and that the case can be improved if the traditional key generation algorithm is modified delicately. After analyzing the preliminaries and practical steps of Iterative-Encrypting-Attack in detail, we propose the concept of security grade of key-pair and depict the hierarchy of grades systematically, and bring forward an algorithm that grades security grade of key pairs. Furthermore, we introduce the concept of attack cost into the gradation prototype, then program for grading algorithm and set in motion a series of experiments for surveying the relationship between attack-cost and key-security-grade. At last, by the attained result from experimental statistics, we point it out that if key-pair is properly chosen RSA system can acquire a satisfying immunity from Iterative- Encrypting-Attack.

Index Terms—Iterative Encrypting Attack ; Security Grade; Attack Time Cost; Threshold Time; RSA.

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Cite: Wenxue Tan , Jinju Xi, Xiping Wang, "A RSA Key Security Gradating Algorithm Based on Threshold Attack Time," Journal of Software vol. 6, no. 9, pp. 1873-1880, 2011.

General Information

ISSN: 1796-217X (Online)
Frequency:  Quarterly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsweditorialoffice@gmail.com
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