International Journal For Multidisciplinary Research

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Crystal Quantum Shield (CQS): A Post-Quantum Cybersecurity Framework for API and Data Protection

Author(s) Aakarshit Srivastava, Bhaskar Banerjee, Ayush Verma
Country India
Abstract With the exponential rise in cyber threats and increasingly complex digital ecosystems, robust and scalable security architectures have become indispensable. The Crystal Quantum Shield (CQS) is a pioneering cyber security framework designed to leverage post-quantum cryptography and advanced API security mechanisms for safeguarding sensitive digital environments. The architecture integrates Kyber key exchange and Dilithium signature verification, ensuring resilience against potential quantum computing threats. Additionally, CQS employs rate limiting via NGINX, token scrambling, and data scrambling for enhanced protection of sensitive transactions.To manage high-volume interactions, the system incorporates OAuth2-based authentication, JWT-based session management, and Role-Based Access Control (RBAC) for
granular authorization. With real-time logging, violation detection, and visualization powered by Grafana, CQS delivers a user-friendly interface for monitoring security metrics, including token usage, user roles, and violations. This paper explores the modular and scalable design of CQS, detailing its integration of cloud services and API gateways for seamless deployment. Results from our experimental analysis demonstrate CQS’s efficacy in mitigating modern threats, ensuring secure communication, and maintaining system integrity under stress conditions. By combining cutting-edge cryptographic techniques and robust security mechanisms, CQS sets a new benchmark for next-generation digital security solutions.
Keywords Post-Quantum Cryptography, API Security, Kyber, Dilithium, OAuth2, JWT, NGINX, Token Scrambling, RBAC, Grafana Visualization
Field Computer > Network / Security
Published In Volume 7, Issue 1, January-February 2025
Published On 2025-02-26
DOI https://doi.org/10.36948/ijfmr.2025.v07i01.37652
Short DOI https://doi.org/g86w87
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