Encryption And Decryption Of Data Hiding In Audio Signal Using LSB Algorithm
Volume 1 - Issue 4, October 2017 Edition
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Author(s)
G.Kalaiarasi, A.S.Narmadha, J.Nandhini
Keywords
Least Significant Bit (LSB) algorithm, Linear Feedback Shift Register (LFSR) algorithm, Stego file, intruder, modelsim, Quartus-II software, hex editor neo software
Abstract
In this recent scenario everyone use multimedia for the conveyance of data. The data we transmit in those social Media should be confidential and highly secure. As the number of users increases the number of intruders also increases. The cryptography and steganography is used to ensure the security of data. Especially they are used in military and defense application to ensure the security. The data is hidden in the image in the existing system,but the data is not unconfined.In the proposed system the data is encrypted using akey based algorithmsusing Linear Feedback Shift Register(LFSR)and the encrypted data is covered in the audio signal using Least Significant Bit (LSB) algorithm in a prudent manner and the stego file is formed.The stego file consist of cover audio and encrypted data is transmitted the key produced during encryption is only known to the receive.Decryption is the inverse process of encryption from which the audio signal is extracted and the data is decrypted .Thus the encryption and Decryption have been made using Verilog Hardware Description Language and simulated using ModelSim.The synthesis designs were implemented in Quartus-II software.
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