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Performance Comparison of RS-256 and ES-256 Algorithms for JWT-Based Digital Signatures in REST-API Security Amelia Hani; Yiyi Supendi
bit-Tech Vol. 8 No. 3 (2026): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i3.4025

Abstract

Representational State Transfer (REST) is widely adopted for web-based client–server communication, but its stateless design requires additional mechanisms to ensure authentication, authorization, and message integrity. JSON Web Token (JWT) addresses these requirements by embedding digitally signed claims that can be verified by REST-API services. This study compares the performance of two asymmetric JWT signing algorithms, RS-256 and ES-256, to determine their suitability for REST-API security under different deployment environments. A comparative experimental approach was applied by implementing both algorithms in a REST-API application and testing token generation and token verification processes on a cloud virtual machine and a physical machine. Apache JMeter was used to conduct scalability testing with 100 to 1,000 request samples. Four performance metrics were evaluated: response time, throughput, CPU usage, and memory usage. The results show that ES-256 consistently outperformed RS-256 in token generation across both environments, with better response time, throughput, CPU efficiency, and memory consumption. During token verification, ES-256 achieved better response time and throughput, while RS-256 showed lower CPU and memory usage. These findings indicate that ES-256 is generally more suitable for REST-API systems prioritizing fast token generation and high throughput, whereas RS-256 remains relevant when verification efficiency in computational resource usage is the primary concern. The study provides guidance for selecting JWT signing algorithms in scalable API security implementations and distributed services.
Inovasi Sistem Penyiraman Tanaman Sayuran Berbasis IoT untuk Mendukung Pertanian Presisi Skala Rumah Tangga (Studi Kasus di RT 07/RW 05 Desa Cihanjuang Rahayu Kabupaten Bandung Barat) Amelia Hani; Kusmaya; Benie Ilman; Yiyi Supendi
Abdi Dharma Vol. 6 No. 2 (2026): Jurnal Abdi Dharma (Jurnal Pengabdian Masyarakat)
Publisher : LP3kM Universitas Buddhi Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31253/ad.v6i2.4847

Abstract

Pengelolaan penyiraman tanaman sayuran pada skala rumah tangga masih menghadapi kendala berupa keterbatasan waktu pengguna, ketergantungan pada penyiraman manual, dan pemberian air yang belum didasarkan pada kondisi aktual media tanam. Kegiatan pengabdian ini bertujuan menerapkan sistem penyiraman berbasis Internet of Things (IoT) sekaligus mendampingi mitra dalam memantau kelembapan dan mengoperasikan sistem penyiraman otomatis. Kegiatan dilaksanakan menggunakan pendekatan partisipatif melalui identifikasi kebutuhan mitra, perancangan dan instalasi sistem, pendampingan pengoperasian, serta evaluasi fungsional dan penggunaan sistem. Sistem mengintegrasikan sensor kelembapan tanah, mikrokontroler ESP32, modul relay, pompa air, konektivitas internet, dan antarmuka pemantauan. Data kegiatan diperoleh melalui observasi, wawancara, dokumentasi, dan pengujian fungsional, kemudian dianalisis secara deskriptif. Pengujian awal menunjukkan bahwa pompa aktif pada kelembapan awal 25% dan 30%, sedangkan pada kelembapan 40%, 50%, dan 60% pompa tidak aktif sesuai dengan logika ambang yang diterapkan. Hasil tersebut menunjukkan bahwa sensor, ESP32, relay, pompa, dan antarmuka pemantauan dapat bekerja secara terintegrasi untuk mengendalikan penyiraman berdasarkan kondisi kelembapan media tanam. Melalui demonstrasi dan pendampingan, mitra diperkenalkan pada cara membaca data kelembapan, mengoperasikan sistem, dan melakukan pemeriksaan dasar perangkat. Sistem ini berpotensi menjadi teknologi tepat guna yang sederhana dan mudah diterapkan untuk mendukung penyiraman yang lebih terukur serta mengurangi ketergantungan pada penyiraman manual. Evaluasi kegiatan masih terbatas pada pengujian fungsional dan belum mengukur penghematan volume air dan waktu secara kuantitatif.