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Raihan Arya Dhani
Universitas Pembangunan Panca Budi
Computer Science & IT Decision Sciences, Operations Research & Management

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Implementasi Algoritma Vernam Cipher Untuk Keamanan Data Nilai Siswa Studi Kasus SMK Swasta Rahmat Islamiyah Medan Raihan Arya Dhani; Leni Marlina; Juliandri
Bahasa Indonesia Vol 18 No 01 (2026): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalinstall.v18i01.474

Abstract

Student score data at SMK Swasta Rahmat Islamiyah Medan must be protected to prevent unauthorized access, modification, or data loss. To ensure confidentiality and data integrity, this research implements the Vernam Cipher encryption algorithm, which uses a one-time pad key and XOR operations to secure data. The algorithm provides strong protection when the key is used only once and kept confidential. By applying Vernam Cipher to the student score data process, all stored or transmitted information becomes unreadable without the correct key. This method helps reduce the risk of data leakage and manipulation. The results show that Vernam Cipher is effective in enhancing the security of student score data, ensuring a fair and reliable assessment process.  
Co-Authors Juliandri Leni Marlina