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INROADS- An International Journal of Jaipur National University
Year : 2014, Volume : 3, Issue : 1s2
First page : ( 335) Last page : ( 339)
Print ISSN : 2277-4904. Online ISSN : 2277-4912.

Cryptographic Primitives for Multimedia Security

Dhall Sakshi1,,2*, Pal Saibal K.3,**, Sharma Kapil4,***

1Assistant Professor, Department of Mathematics, Jamia Millia Islamia University, New Delhi-110 025

2Research Scholar, Department of Computer Engineering, Delhi Technological University, New Delhi-110 042

3Scientific Analysis Group, DRDO, Metcalfe House Complex, Delhi-110 054, India

4Department of Computer Engineering, Delhi Technological University, New Delhi-110 042, India

*Email: sakshidhall@gmail.com

**skptech@yahoo.com

***kapil@ieee.org

Online published on 7 July, 2014.

Abstract

Today, voluminous amount of sensitive digital information is exchanged through penetrable networks. Of late, with the advancements in the digital and mobile technology there has been a significant shift in the type of transmitted content. The transmissions are no more limited to text-based data; they contain significant percentage of multimedia-based content. Traditional symmetric ciphers like AES, DES IDEA & RC4 have been focusing on securing textual data, and are not found suitable for meeting the special resource efficiency requirements and catering the intrinsic properties of redundancy and bulkiness of multimedia. It has been largely observed that the focus of researchers has been limited to one of the two key aspects pivotal to multimedia security i.e. cost efficiency and strength, in-turn compromising on the others. Therefore, a need is identified for lightweight solution to secure multimedia with complete removal of redundancy for real-time and resource constrained environments. The work proposes designing new cryptosystems using primitives derived from chaos based sequence generation for substitution and diffusion. Also, scope for customization of standard cryptosystems using chaos is presented with supporting experimental results.

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Keywords

Multimedia security, block cipher, efficiency, chaos.

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