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An Advanced Approach for Implementation of Audio Steganography: Modified LSB Algorithm


Author(s):

Ayush Singhal , Ambedkar Institute of Advanced Communication Technologies & Research; Dr. Nanhay singh, Ambedkar Institute of Advanced Communication Technologies & Research; Mohit Singh Bora, Ambedkar Institute of Advanced Communication Technologies & Research

Keywords:

Audio steganography, LSB algorithm, Modified LSB Algorithm, MSE, PSNR

Abstract:

Steganography is a branch of information security which deals with transmission of message without being detected. Message, to be send, is embedded in a cover file. Different types of digital can be used as cover object, we used (.WAV) audio as our cover file in the research work. The objective of steganography is to shield the fact that the message exists in the transmission medium. Many algorithms have so far derived for this purpose can be categorized in terms of their embedding technique, time and space complexity. LSB is the acronym of ‘Least Significant Bit’, is one of the algorithm that is considered as the easiest in way of hiding information in a digital media, also it has good efficiency. It perform its task by embedding secret message in the least significant bits of each data sample of audio file. Ease of cracking this algorithm makes it more prone to visual and statistical attacks. Keeping this in mind few improvisation are being done on LSB algorithm that reduces the ease of cracking message. Modified version of LSB algorithm which we call as ‘MODIFIED LSB ALGORITHM’ uses the pseudo-random number generator to spread the secret message over the cover in a random manner. This algorithm will be more immune to statistical attacks without affecting its efficiency significantly.


Other Details:

Manuscript Id :IJSTEV1I12042
Published in :Volume : 1, Issue : 12
Publication Date: 01/07/2015
Page(s): 66-71
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