Study on Cryptography, Steganography and Combination of both for Data Security

Meher Afroj
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Meher Afroj: Department of Computer Science and Engineering, Bangladesh University of Business and Technology

International Journal of Research and Innovation in Applied Science, 2023, vol. 8, issue 6, 06-14

Abstract: Secure data communication is a key factor today while communicating through the unreliable network. Nowadays almost all applications are internet-based and it is important that communication made confidential and secure. But network of so many people is always unreliable. Cryptography and steganography are two important techniques which is used for secret and reliable communication over the network. Cryptography is the process of protecting information using different cryptographic algorithms so that only the intended person can read and process it. Steganography is the process of protecting information by hiding it inside another file such as image, audio, video and so on. But in recent years cryptanalysis study becomes so strong that only cryptography or only steganography alone June not enough for securing data. So the combination of cryptography and steganography produce stronger method than previous. In recent years many works has done or proposed about combining different types of cryptography and steganography schemes to make the transmission of data more secure through unreliable medium efficiently. This paper will help to understand some recent works related to combining cryptography and steganography within a short period of time and also will help to precede further study.

Date: 2023
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