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All Journal Jurnal Teknik Indonesia (JU-TI) Jurnal Inovasi Teknologi dan Komputer
Anju Franjein Hutasoit
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Other

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Security Analysis of Diffie-Hellman Algorithm in Cryptographic Key Exchange Jeni Nova Situmoran; Eunike Nainggolan; Adelwin Saputra Loi; Andreas Wendi Hutablian; Anju Franjein Hutasoit
Jurnal Teknik Indonesia Vol. 2 No. 01 (2023): Jurnal Teknik Indonesia (JU-TI) Juni, 2023
Publisher : SEAN Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/ju-ti.v2i01.654

Abstract

The Diffie-Hellman algorithm is a cryptographic method used for secure key exchange between two parties over an insecure channel. This study aims to analyze the implementation of the Diffie-Hellman algorithm, focusing on its security and efficiency aspects. The research process begins with manual step-by-step calculations of this algorithm, including prime number selection, modulus calculation, and key exchange. Furthermore, key encryption and decryption tests are carried out to assess the algorithm's resilience to threats. Although this algorithm has proven effective in protecting data, the efficiency of the encryption and decryption processes can be affected by the size of the key used. The test results show that Diffie-Hellman can maintain the confidentiality of communications well, although its processing speed may be affected in systems with large-scale requirements. This study concludes that the Diffie-Hellman algorithm is suitable for use in communications that require a high level of security, but its efficiency needs to be optimized by considering factors such as key size and algorithm optimization. These findings provide important insights for the development of cryptography-based security systems for modern communication applications.
Implementasi Remote Server pada Kali Linux menggunakan SSH dan PuTTY Wilem Tukmeap; Tri Hadi Pinem; Andreas Wendi P Hutabalian; Anju Franjein Hutasoit
JITKO : Jurnal Inovasi Teknologi dan Komputer Vol. 3 No. 1 (2025): Jurnal Inovasi Teknologi dan Komputer(JITKO)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jitko.v3i1.149

Abstract

Penelitian ini bertujuan untuk mengimplementasikan remote server pada sistem operasi Kali Linux menggunakan protokol Secure Shell (SSH) dengan bantuan aplikasi PuTTY sebagai client pada Windows. Metode yang digunakan adalah eksperimen berbasis simulasi dalam lingkungan virtual menggunakan VirtualBox dengan skenario client-server. Pengujian dilakukan menggunakan parameter keberhasilan koneksi, waktu respon, dan stabilitas sistem. Hasil penelitian menunjukkan bahwa koneksi SSH berhasil dilakukan dengan tingkat keberhasilan 100% dan waktu respon rata-rata < 1 detik dalam jaringan lokal. Selain itu, seluruh perintah administrasi sistem dapat dijalankan dengan baik tanpa delay signifikan. Penelitian ini menyimpulkan bahwa PuTTY merupakan solusi efektif untuk remote server berbasis SSH dalam lingkungan pembelajaran. Namun, penelitian ini terbatas pada jaringan lokal dan belum menguji keamanan pada jaringan publik.
Co-Authors Adelwin Saputra Loi Andreas Wendi Hutablian Andreas Wendi P Hutabalian Eunike Nainggolan Jeni Nova Situmoran Tri Hadi Pinem Wilem Tukmeap