Enhanced information security employing orthogonal code, steganography, and joint transform correlation

M. Nazrul Islam; Mohammad Faysal Islam; Kamal Shahrabi

doi:10.1117/12.2016394

29 April 2013 Enhanced information security employing orthogonal code, steganography, and joint transform correlation

M. Nazrul Islam, Mohammad Faysal Islam, Kamal Shahrabi

Proceedings Volume 8748, Optical Pattern Recognition XXIV; 87480K (2013) https://doi.org/10.1117/12.2016394
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

A novel and robust technique is proposed in this paper for securing confidential information by utilizing orthogonal coding scheme, encoded steganography and nonlinear encryption through joint transform correlation. Different biometric signatures are encoded using individual orthogonal codes and then multiplexed together. The encrypted and multiplexed image is hidden inside a cover image employing a steganography technique, where one from the three least significant bits is chosen using another secret key. A color cover image is utilized which is decomposed into three color components, red, green and blue, so that three different sets of biometric signatures can be embedded into each of the color components. The color stego image is finally encrypted using multiple phase-shifted reference joint transform correlation (MRJTC) technique. The proposed encryption technique is a nonlinear process which increases the security strength significantly against any unauthorized access. The encoded steganography technique reduces the vulnerability that an intruder can retrieve any information from a given image through any steganalysis attack. Finally, the orthogonal coding scheme enhances the robustness by making the biometric information almost inaccessible without authorization.

Citation Download Citation

M. Nazrul Islam, Mohammad Faysal Islam, and Kamal Shahrabi "Enhanced information security employing orthogonal code, steganography, and joint transform correlation", Proc. SPIE 8748, Optical Pattern Recognition XXIV, 87480K (29 April 2013); https://doi.org/10.1117/12.2016394

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