PENGAMANAN DAN PENYEMBUNYIAN PESAN PADA AREA TEPI DARI CITRA DIGITAL MENGGUNAKAN METODE LEAST SIGNIFICANT BIT DAN ALGORITMA BLOWFISH

NUR, ARVIANSYAH and Supardi, Julian and Rachmatullah, Muhammad Naufal (2023) PENGAMANAN DAN PENYEMBUNYIAN PESAN PADA AREA TEPI DARI CITRA DIGITAL MENGGUNAKAN METODE LEAST SIGNIFICANT BIT DAN ALGORITMA BLOWFISH. Undergraduate thesis, Sriwijaya University.

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Abstract

The process of cryptography produces random text that can obscure a message, making it difficult for others to read. However, cryptography itself is still not strong enough to secure the message, so steganography is needed to conceal the existence of the message from the human eye. Besides hiding the message, another objective is to assess the impact of message embedding. In the process of encrypting and decrypting the message, the Blowfish algorithm is used, while message embedding utilizes the Least Significant Bit steganography, and edge detection is performed using the Canny algorithm. Through research conducted with the combination of cryptography and steganography, an excellent image is obtained with a PSNR value of 76.6932 and MSE of 0.0013 for a message length of 64 bytes. Meanwhile, visually, the results show a relatively similar appearance between the host image and the stego image.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	kriptografi, Blowfish, edge detection, Canny, steganografi, Least Significant Bit (LSB)
Subjects:	Q Science > Q Science (General) > Q334-342 Computer science. Artificial intelligence. Algorithms. Robotics. Automation. T Technology > T Technology (General) > T10.5-11.9 Communication of technical information
Divisions:	09-Faculty of Computer Science > 55201-Informatics (S1)
Depositing User:	Arviansyah Nur
Date Deposited:	11 Aug 2023 05:30
Last Modified:	11 Aug 2023 05:30
URI:	http://repository.unsri.ac.id/id/eprint/126936

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