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Document Type

Article

Abstract

The goal of encryption voice is to ensure the preservation of the conversation details and not to allow anyone to tamper with or see it. This conversation is either secret or very private; no one can understand the substance of that information or messages only authorized persons who have own secret key. The best method to protect the voice message from unauthorized persons is to use both cryptography and steganography. This paper reviews the Advanced Encryption Standard (AES) algorithm used for encrypting voice message and the Least Signification Bit steganography (LSB) used for embedding encrypted voice message with related key in color image without impacting the content and quality of it. After hiding a secret voice in an image, Stego image is created then is sent to the recipient. The mean square error (MSE) and the signal-to-noise ratio (PSNR) is calculated to measure the quality of the sent image. The findings of the research are that the stego image cannot be distinguished by the naked eye from the original cover image when the bit value is 1 or 2 and thus we reach the goal to cover the presence of a hidden sound inside.

Keywords

Advanced Encryption Standard(AES), Image steganography, Least Significant Bit embedding(LSB), Mean Square Error(MSE), Peak Signal to Noise Ratio(PNSR).

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