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All Journal Singuda ENSIKOM Journal of Computer System and Informatics (JoSYC) Jurnal Pengabdian Masyarakat IPTEK Ulead : Jurnal E-pengabdian Journal Of Artificial Intelligence And Software Engineering International Journal of Community Service Implementation Repeater: Publikasi Teknik Informatika dan Jaringan Neptunus: Jurnal Ilmu Komputer dan Teknologi Informasi
Ratih Puspadini
STMIK Kaputama
Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Journal : Journal Of Artificial Intelligence And Software Engineering

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Enhancement of Rivest Shamir Adleman (RSA) Key Generation Utilizing the Diffie-Hellman Algorithm for PDF File Security Murti, Maliyah; Rahmadani, Rahmadani; Puspadini, Ratih
Journal of Artificial Intelligence and Software Engineering Vol 5, No 3 (2025): September
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jaise.v5i3.7629

Abstract

The development of digital technology poses challenges to data security, especially in frequently used PDF files. Cryptography can be used for data security. The conventional RSA algorithm with a static public key is vulnerable to attacks. This study integrates Diffie-Hellman to generate a shared key as a public exponent (e) in RSA, making key generation more dynamic and secure. The method includes system analysis, a combined implementation of Diffie-Hellman and RSA, and testing on PDF files. Data is converted to decimal numeric format before encryption and decryption. The encryption is stored in (*.txt), decryption returns the file to the original PDF. The results show that the use of a shared key improves security even though the encrypted file size increases by about 4-5 times from the original file. This system is expected to be a better solution for PDF security and modern cryptography.
Co-Authors Ade Chairany Ahri Bariun Buaton, Relita Fatmaira, Zira Fuzy Yustika Manik Fuzy Yustika Manik, Fuzy Yustika Gultom, Imeldawaty Marto Sihombing Muhammad Gifary Murti, Maliyah Novriyenni Novriyenni Nur Arminarahmah Nurhayati Nurhayati Pasaribu, Tioria Prahmana, I Gusti Rahmadani Rahmadani Rika Oktavia Rozaq Habibi Rusmin Saragih, Rusmin Seri Arihta Br Sitepu Wanto, Anjar