Volume 5 Number 11 (Nov. 2010)
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JCP 2010 Vol.5(11): 1621-1628 ISSN: 1796-203X
doi: 10.4304/jcp.5.11.1621-1628

A Novel Method to Implement Book Cipher

Changda Wang and Shiguang Ju
School of Computer Science and Telecommunication Engineering, Jiangsu University, Zhenjiang, China

Abstract—Armed with super computational ability, the most efficient attack on symmetric-key systems is an exhaustive key search. A novel encryption method with infinite key space is presented by modifying traditional book cipher. Infinite key space means the unbounded entropy of the key space, which can frustrate any exhaustive key search. Moreover, this book cipher is immune from frequency analysis. Experimental results show that both encryption and decryption have very high rates of data throughput while compared with DES. High efficiency makes it suitable for some computing power limited environments.

Index Terms—symmetric-key encryption, infinite key space, book cipher

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Cite: Changda Wang and Shiguang Ju, " A Novel Method to Implement Book Cipher," Journal of Computers vol. 5, no. 11, pp. 1621-1628, 2010.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Bimonthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat,etc
E-mail: jcp@iap.org
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