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http://dx.doi.org/10.17661/jkiiect.2021.14.2.109

An Approach of Hiding Hangul Secret Message in Image using XNOR-XOR and Fibonacci Technique  

Ji, Seon-su (Department of Computer Sciences&Engineering, Gangnung-Wonju National University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.14, no.2, 2021 , pp. 109-114 More about this Journal
Abstract
As various users increase in a network environment, it is difficult to protect sensitive and confidential information transmitted and received from attackers. Concealing bitwise secret data in an image using the LSB technique can be very vulnerable to attack. To solve this problem, a hybrid method that combines encryption and information hiding is used. Therefore, an effective method for users to securely protect secret messages and implement secret communication is required. A new approach is needed to improve security and imperceptibility to ensure image quality. In this paper, I propose an LSB steganography technique that hides Hangul messages in a cover image based on MSB and LSB. At this time, after separating Hangul into chosung, jungsung and jongsung, the secret message is applied with Exclusive-OR or Exclusive-NOR operation depending on the selected MSB. In addition, the calculated secret data is hidden in the LSB n bits of the cover image converted by Fibonacci technique. PSNR was used to confirm the effectiveness of the applied results. It was confirmed 41.517(dB) which is suitable as an acceptable result.
Keywords
Fibonacci algorithm; Image steganography; LSB(least significant bit); MSB(most significant bit); XNOR; XOR;
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