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All Journal Zero : Jurnal Sains, Matematika, dan Terapan Journal of Social Studies and Education
Moses Adeolu Agoi
Lagos State University of Education, Nigeria
Agriculture, Biological Sciences & Forestry Humanities Chemistry Education Mathematics Physics Social Sciences

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RSA-AES Cryptosystem with Auto-Key Rotation for Cloud Storage Azanuddin Azanuddin; Asyahri Hadi Nasyuha; Ikhwan Ruslianto; Moch. Iswan Perangin Angin; Moustafa H. Aly; Moses Adeolu Agoi
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 3 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i3.26827

Abstract

The widespread adoption of cloud storage systems has increased the demand for cryptographic mechanisms that ensure data confidentiality while limiting security risks associated with static and long-lived encryption keys. Although hybrid RSA-AES schemes are commonly employed to balance security and computational efficiency, key management-particularly autonomous and quantitatively bounded key rotation-remains insufficiently formalized. This study proposes a hybrid RSA-AES cryptosystem equipped with an autonomous auto-key rotation mechanism defined through explicit analytical constraints. AES-256 is employed for bulk data encryption, while RSA-2048 is used for secure encapsulation of symmetric session keys. Key renewal is governed by inequality-based conditions on elapsed time (Δt ≤ 30 minutes) and encryption usage (n ≤ 10 operations), yielding a mathematically bounded key lifecycle without manual intervention or external infrastructure. System performance and operational security properties are evaluated in a simulated cloud environment using file sizes ranging from 100 KB to 10 MB. Quantitative metrics include encryption and decryption time complexity, computational overhead relative to AES-only encryption, key variability measured by Hamming distance, and data integrity verification using SHA-256. Experimental results demonstrate linear scalability and a stable average overhead of approximately 12.8%, indicating a bounded constant-factor cost independent of workload size. Successive AES-256 keys exhibit a mean Hamming distance of 127.42 bits, consistent with high key variability and effective key freshness. These findings show that analytically constrained key rotation enables controlled symmetric-key exposure while preserving practical efficiency overall.
Integrating Technology in the Fight Against Human Trafficking: Challenges, Opportunities, and Social Implications Moses Adeolu AGOI; Zohaib Hassan Sain; Oluwanifemi Opeyemi AGOI
Journal of Social Studies and Education Vol. 2 No. 2 (2024)
Publisher : Al-Qalam Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61987/jsse.v2i2.452

Abstract

This research focuses on the role of technology in detecting and supporting the recovery of victims of human trafficking. In a global context, human trafficking is a complex and hidden crime, which is often difficult for authorities to tackle. Technology, such as artificial intelligence (AI) and facial recognition, is increasingly relied upon to identify victims and improve response speed in the recovery process. This study uses a qualitative research design with a case study approach to explore how technology is applied by law enforcement agencies and non-governmental organizations (NGOs). The main data sources were obtained through in-depth interviews, observations, and documentation from various sources who were directly involved in efforts to utilize technology in combating human trafficking. The results show that technology, despite its challenges in terms of implementation and sustainability, has proven to be effective in raising public awareness, speeding up the detection process, and supporting victim recovery through the provision of safe and accessible services. The implications of this study show that the integration of technology can strengthen prevention and rehabilitation efforts in dealing with human trafficking, while empowering the community to play a more active role in reporting such incidents. With ever-evolving technological advancements, opportunities to eradicate human trafficking are increasingly open, providing hope for previously neglected victims.
Co-Authors Asyahri Hadi Nasyuha Azanuddin Azanuddin Ikhwan Ruslianto Moch. Iswan Perangin Angin Moustafa H. Aly Oluwanifemi Opeyemi AGOI Zohaib Hassan Sain