Using Electrical Square Wave Form as an Efficient Carrying Media
Received: 26 February 2025 | Revised: 9 April 2025 | Accepted: 19 April 2025 | Online: 4 June 2025
Corresponding author: Sara Al-Omari
Abstract
This paper proposes an efficient and simplified method of secret message steganography. The proposed method is characterized by its simplicity, efficiency, and security, which are achieved by utilizing a Square Wave (SW) signal as a carrying media. This signal can be readily generated, and its size can be controlled by the generation time and the sampling frequency. The SW signal can be efficiently processed; the samples can be readily converted from decimal fractions to binary, and from binary to decimal fractions. The 64-bit binary representation is employed to represent the sample values. This allows for the utilization of more Least Significant Bits (LSBs) for message hiding. The proposed method utilizes a set of LSBs for message hiding, with the length of this set ranging from 1 to 32 LSBs. The Private Key (PK) is used to determine the length of the set of LSBs and the sequence of LSBs employed for message hiding-extracting. The proposed method exhibits a high degree of sensitivity to the selected values of the PK. To ensure the efficacy of the hiding and extracting processes, it is imperative that these processes utilize precisely the same PK. The proposed method is implemented through the utilization of a variety of messages and PKs, and its efficacy in preserving the integrity of the stego SW is demonstrated. Furthermore, the sensitivity and the speed of the method are assessed to ensure that the proposed method meets the requirements of a effective stego method.
Keywords:
carrying square wave, noise, stego square wave, secret message, Private Key (PK), Least Significant Bits (LSBs)Downloads
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