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All Journal JIKUM: Jurnal Ilmu Komputer
Kausar, Diva Insyarah
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Computer Science & IT Decision Sciences, Operations Research & Management

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IMPLEMENTASI HILL CHIPER DAN STEGANOGRAFI GAMBAR BERBASIS WEB Kausar, Diva Insyarah; Alviona, Nazwa; Asyura, Khairatul; Jikwa, Elisabeth Dhea Chrysty Arnani
JIKUM: Jurnal Ilmu Komputer Vol. 2 No. 2 (2026): JIKUM: Jurnal Ilmu Komputer, November 2026
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jikum.v2i2.208

Abstract

Information security is an important requirement in digital communications, especially in webbased systems that are vulnerable to interception. This study aims to implement the Hill Cipher algorithm and image steganography as methods of securing web-based messages. The Hill Cipher is used to encrypt text messages, while the Least Significant Bit (LSB) method is applied to insert encrypted messages into digital images. The research methodology includes the stages of encryption, message insertion, extraction, and decryption. The test results show that messages are successfully encrypted and inserted into images without causing significant visual changes. This system enhances message security because messages are not only encrypted but also hidden. Thus, the combination of Hill Cipher and image steganography is effective as a web-based data security solution.
Co-Authors Alviona, Nazwa Asyura, Khairatul Jikwa, Elisabeth Dhea Chrysty Arnani