Modified Chaotic Key-Based Algorithm for Image Encryption and its VLSI Realization

Chaos based encryption may offer new quality in secure data transmission. A recently proposed chaotic-key based algorithm (CKBA) has been shown to be unavoidably susceptible to chosen/known-plaintext attacks and ciphertext-only attacks. In this paper, modified chaotic-key based algorithm (MCKBA) is...

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Bibliographic Details
Published in2007 15th International Conference on Digital Signal Processing pp. 439 - 442
Main Authors Deergha Rao, K., Gangadhar, Ch
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2007
Subjects
Algorithm design and analysis
Chaos
Chaotic communication
Cryptography
Data communication
Data security
image decryption
image encryption
Navigation
Pixel
Switches
Very large scale integration
VLSI
Online AccessGet full text
ISBN1424408814
9781424408818
ISSN1546-1874
DOI10.1109/ICDSP.2007.4288613

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Abstract Chaos based encryption may offer new quality in secure data transmission. A recently proposed chaotic-key based algorithm (CKBA) has been shown to be unavoidably susceptible to chosen/known-plaintext attacks and ciphertext-only attacks. In this paper, modified chaotic-key based algorithm (MCKBA) is proposed to enhance the security of CKBA. The enhanced security of the proposed algorithm is analyzed through cryptanalysis. Further, VLSI architecture of the proposed algorithm is designed. The VLSI architecture is implemented on an image using XILINX's ModelSim to demonstrate the effectiveness of the proposed scheme.
AbstractList Chaos based encryption may offer new quality in secure data transmission. A recently proposed chaotic-key based algorithm (CKBA) has been shown to be unavoidably susceptible to chosen/known-plaintext attacks and ciphertext-only attacks. In this paper, modified chaotic-key based algorithm (MCKBA) is proposed to enhance the security of CKBA. The enhanced security of the proposed algorithm is analyzed through cryptanalysis. Further, VLSI architecture of the proposed algorithm is designed. The VLSI architecture is implemented on an image using XILINX's ModelSim to demonstrate the effectiveness of the proposed scheme.
Author Deergha Rao, K.
Gangadhar, Ch
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  fullname: Gangadhar, Ch
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Snippet Chaos based encryption may offer new quality in secure data transmission. A recently proposed chaotic-key based algorithm (CKBA) has been shown to be...
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StartPage 439
SubjectTerms Algorithm design and analysis
Chaos
Chaotic communication
Cryptography
Data communication
Data security
image decryption
image encryption
Navigation
Pixel
Switches
Very large scale integration
VLSI
Title Modified Chaotic Key-Based Algorithm for Image Encryption and its VLSI Realization
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