QPADL: Post-Quantum Private Spectrum Access with Verified Location and DoS Resilience

• URL: http://arxiv.org/abs/2510.03631v1
• Date: Sat, 04 Oct 2025 02:28:58 GMT
• Title: QPADL: Post-Quantum Private Spectrum Access with Verified Location and DoS Resilience
• Authors: Saleh Darzi, Saif Eddine Nouma, Kiarash Sedghighadikolaei, Attila Altay,
• Abstract summary: Spectrum Access Systems (SASs) offer an opportunistic solution but face significant security challenges.<n>We propose QPADL, the first post-quantum (PQ) secure framework that simultaneously ensures privacy, anonymity, location verification, and Denial-of-Service (DoS) resilience.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: With advances in wireless communication and growing spectrum scarcity, Spectrum Access Systems (SASs) offer an opportunistic solution but face significant security challenges. Regulations require disclosure of location coordinates and transmission details, exposing user privacy and anonymity during spectrum queries, while the database operations themselves permit Denial-of-Service (DoS) attacks. As location-based services, SAS is also vulnerable to compromised or malicious users conducting spoofing attacks. These threats are further amplified given the quantum computing advancements. Thus, we propose QPADL, the first post-quantum (PQ) secure framework that simultaneously ensures privacy, anonymity, location verification, and DoS resilience while maintaining efficiency for large-scale spectrum access systems. QPADL introduces SAS-tailored private information retrieval for location privacy, a PQ-variant of Tor for anonymity, and employs advanced signature constructions for location verification alongside client puzzle protocols and rate-limiting technique for DoS defense. We formally assess its security and conduct a comprehensive performance evaluation, incorporating GPU parallelization and optimization strategies to demonstrate practicality and scalability.

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