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

Fuente: arXiv
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Main Authors: Darzi, Saleh, Nouma, Saif Eddine, Sedghighadikolaei, Kiarash, Altay, Attila
Format: Preprint
Published: 2025
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author Darzi, Saleh
Nouma, Saif Eddine
Sedghighadikolaei, Kiarash
Altay, Attila
author_facet Darzi, Saleh
Nouma, Saif Eddine
Sedghighadikolaei, Kiarash
Altay, Attila
contents 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 advances in quantum computing. 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.
format Preprint
id arxiv_https___arxiv_org_abs_2510_03631
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle QPADL: Post-Quantum Private Spectrum Access with Verified Location and DoS Resilience
Darzi, Saleh
Nouma, Saif Eddine
Sedghighadikolaei, Kiarash
Altay, Attila
Cryptography and Security
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 advances in quantum computing. 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.
title QPADL: Post-Quantum Private Spectrum Access with Verified Location and DoS Resilience
topic Cryptography and Security
url https://arxiv.org/abs/2510.03631