A Novel CDMA-Based Secret Message Multiplexing Scheme by Image Data Hiding

Chih-Hung Lee, Kun-Sheng Sun, Ji-Hwei Horng () and Chin-Chen Chang ()
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Chih-Hung Lee: Department of Electronic Engineering, National Quemoy University, Kinmen 89250, Taiwan
Kun-Sheng Sun: Department of Electronic Engineering, National Quemoy University, Kinmen 89250, Taiwan
Ji-Hwei Horng: Department of Electronic Engineering, National Quemoy University, Kinmen 89250, Taiwan
Chin-Chen Chang: Department of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan

Mathematics, 2023, vol. 11, issue 3, 1-18

Abstract: In this paper, based on the concept of Code Division Multiple Access (CDMA), we propose an innovative secret message multiplexing scheme by digital image data hiding. Multiple secret messages distributed for several participants are encoded into a CDMA codeword through CDMA multiplexing and then embedded into a grayscale image. At the receiving side, each intended recipient will be assigned a distinct spreading code as the secret key for data extraction. In this way, even the authorized user can only extract his or her own secret message using an exclusive secret key and has no knowledge about other user’s secret. This characteristic helps to ensure data security. Experimental results demonstrate that the scheme is also resistant to Gaussian noise attack, salt-and-pepper noise attack, and cropping attacks. Those merits sustain the feasibility of the proposed scheme.

Keywords: Code Division Multiple Access (CDMA); CDMA multiplexing; secret multiplexing; secret sharing; data hiding (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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