IMPLEMENTING AN ELECTRONIC LAND CERTIFICATE STORAGE SYSTEM USING A COMBINATION OF ADVANCED ENCRYPTION STANDARD 256 CRYPTOGRAPHY AND LEAST SIGNIFICANT BIT STEGANOGRAPHY

LUTFI, M. FADHIL (2026) IMPLEMENTING AN ELECTRONIC LAND CERTIFICATE STORAGE SYSTEM USING A COMBINATION OF ADVANCED ENCRYPTION STANDARD 256 CRYPTOGRAPHY AND LEAST SIGNIFICANT BIT STEGANOGRAPHY. Tugas Akhir thesis, University of Technology Yogyakarta.

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Abstract

ABSTRACT The government is transitioning land certificates from physical to electronic formats, necessitating a secure and structured document storage system. This research aims to design an electronic land certificate storage application that implements the Advanced Encryption Standard (AES-256) cryptographic algorithm and the Least Significant Bit (LSB) steganography method. The AES-256 algorithm encrypts certificate metadata and user identity, then embeds the encrypted data in the image using the LSB technique, resulting in a steganographic image. This steganographic image is linked to a Quick Response (QR) code, which serves as a document access control mechanism. The application was developed using a client-server architecture, featuring a web-based and mobile frontend, an API-based backend, and a database for document management and user authentication. Test results demonstrate that the combination of AES-256 and LSB steganography effectively protects certificate metadata while preserving the image’s visual quality. Additionally, QR codes are successfully employed as a controlled document access medium. This system implementation supports more secure, practical storage of electronic land certificates while safeguarding them against forgery and unauthorised access. Keywords: Steganography, Least Significant Bit, Cryptography, Advanced Encryption Standard 256, QR Code, Electronic Land Certificate, Document Security.

Item Type: Thesis (Skripsi, Tugas Akhir or Kerja Praktek) (Tugas Akhir)
Subjects: T Technology > T Technology (General) > T201 Patents. Trademarks
Divisions: Fakultas Sains Dan Teknologi > S1 Informatika
Depositing User: Kaprodi S1 Informatika UTY
Date Deposited: 06 May 2026 06:56
Last Modified: 06 May 2026 06:56
URI: http://eprints.uty.ac.id/id/eprint/19797

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