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Amrulloh, Muhammad Fawaz
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Humanities Computer Science & IT Economics, Econometrics & Finance Languange, Linguistic, Communication & Media Social Sciences Other

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Journal : Jurnal Algoritma

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Implementasi Superenkripsi Dsa dan Aes 128 Bit Dalam Pengamanan File Surat Digital Nuraeni, Fitri; Amrulloh, Muhammad Fawaz; Mulyani, Asri; Kurniadi, Dede
Jurnal Algoritma Vol 22 No 1 (2025): Jurnal Algoritma
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/algoritma/v.22-1.1832

Abstract

Digital signatures are important for companies to overcome distance and time constraints. Therefore, a digital signature system is needed that is not only efficient but also has a high level of security to prevent data falsification or document legality. This research contributes to improving data security and integrity by implementing DSA and AES 128 Bit superencryption in the “Paperless Room” Digital Signature application. The implementation of the technology used is such as ReactJS, NodeJS, NextJS, cryptography modules in JavaScript, and PostgreSQL databases. Evaluation is done through penetration testing and measurement of encryption and decryption performance. The results show that this superencryption successfully improves efficiency and security, with an average encryption time of 165.67 ms and decryption of 98.17 ms, as well as an entropy value of 6.2837 which reflects a high level of security. In comparison, using DSA alone requires a longer encryption time of 242.97 ms and decryption of 312.83 ms, with a lower entropy of 4.8663. These findings confirm that DSA and AES-128 superencryption offer an optimal combination of efficiency and security for securing digital mail files in an enterprise environment.
Co-Authors Asri Mulyani Dede Kurniadi Dinama, Mahesa Mahardika Fadilah, Raudhatul Fitri Nuraeni Fitriani, Ajeng Ayu Heri Nugraha Ihsan, Hilmi Muhammad Ismail, Genta Awaludin Kholly, Ervitha Nur Kurniawan, Wahyu Andreyas Pramita Utami, Pramita Qoriah, Kysti Rahayu, Ayu Sri Rahman, Azril Januar Rika Lestari Shidiq, Rifky Muhammad Sulistiawati, Meisi Suryana, Zalfa Amali Tio, Ayank Ulum, Rizki Saepul Wahyu Setiawan