DocumentCode
1024952
Title
On the Security of a Cryptosystem Based on Multiple-Parameters Discrete Fractional Fourier Transform
Author
Youssef, Amr M.
Author_Institution
Concordia Univ., Montreal
Volume
15
fYear
2008
fDate
6/30/1905 12:00:00 AM
Firstpage
77
Lastpage
78
Abstract
Pei and Hsue (IEEE Signal Processing Letters, Vol. 13, No. 6, pp. 329-332, June 2006) proposed an encryption scheme based on multiple-parameter discrete fractional Fourier transform. We show that all the building blocks of this scheme are linear, and hence, breaking this scheme, using a known plaintext attack, is equivalent to solving a set of linear equations.
Keywords
cryptography; discrete Fourier transforms; telecommunication security; cryptosystem security; encryption scheme; multiple-parameters discrete fractional Fourier transform; Cryptography; Data security; Discrete Fourier transforms; Encoding; Equations; Fourier transforms; Helium; Iterative algorithms; Signal processing; Signal processing algorithms; Discrete fractional Fourier transform; media security; multimedia signal processing; multiple-parameter discrete fractional Fourier transform;
fLanguage
English
Journal_Title
Signal Processing Letters, IEEE
Publisher
ieee
ISSN
1070-9908
Type
jour
DOI
10.1109/LSP.2007.910299
Filename
4418417
Link To Document