All Stories

  1. A Novel Approach to SME Security: Integrating Hardware Primitives on COTS Platforms

    Article • September 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  2. A Post-Quantum-Secure Communication Framework for LLM-User Interaction Leveraging CRYSTALS-Kyber and CRYSTALS-Dilithium

    Article • September 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  3. An Evaluation of LM35 Temperature Sensors as Physical Unclonable Functions

    Article • May 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  4. Achieving Error-Free Lightweight Authentication With DRAM-Based Physical Unclonable Functions

    Article • IEEE Transactions on Circuits and Systems I Regular Papers, February 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  5. Identifying and understanding the nonlinear behavior of memristive devices

    Article • Scientific Reports, December 2024, Springer Science + Business Media

    Dr. Tolga Arul

  6. Testing Temperature-Dependent Resistors as Potential Physical Unclonable Functions

    Article • November 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  7. Robust and Energy-efficient Hardware Architectures for DIZY Stream Cipher

    Article • November 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  8. Secure Data-Binding in FPGA-based Hardware Architectures utilizing PUFs

    Article • July 2024, ACM (Association for Computing Machinery)

    Florian Frank, Dr. Tolga Arul

  9. The Synchronisation is the Message: Real-World Encrypted Communication Based on Synchronised Chaotic Circuits Without Using a Dedicated Synchronisation Line

    Article • June 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  10. Tailored Raspberry Pi 3B+ Software for the Implementation of Hardware Security Primitives Based on Commercial Off-the-Shelf Devices

    Article • May 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  11. Studying the Effects of Prolonged Thermal Stress Aiming to Induce Artificial Aging on DRAM Retention-Based Physical Unclonable Functions

    Article • January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  12. CNT-PUFs: Highly Robust and Heat-Tolerant Carbon-Nanotube-Based Physical Unclonable Functions

    Article • Nanomaterials, November 2023, MDPI AG

    Nico Mexis, Dr. Tolga Arul

  13. A Method to Construct Efficient Carbon-Nanotube-Based Physical Unclonable Functions and True Random Number Generators

    Article • September 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  14. Spatial Correlation in Weak Physical Unclonable Functions: A Comprehensive Overview

    Article • September 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  15. An Evaluation of the Security and the Privacy of a Novel Single Sign-On System Based on Physical Unclonable Functions

    Article • September 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  16. Rule-based anomaly detection for railway signalling networks

    Article • International Journal of Critical Infrastructure Protection, September 2023, Elsevier

    Dr. Tolga Arul

  17. Neuromorphic and In-Memory Computing Based on Memristive Circuits for Predictive Maintenance and Supply-Chain Security

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  18. Neuromorphic and In-Memory Computing Based on Memristive Circuits for Predictive Maintenance and Supply-Chain Security

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  19. CNT-PUFs: Highly Robust and Heat-Tolerant Carbon-Nanotube-Based Physical Unclonable Functions for Stable Key Generation

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  20. CNT-PUFs: Highly Robust and Heat-Tolerant Carbon-Nanotube-Based Physical Unclonable Functions for Stable Key Generation

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  21. Real-World Chaos-Based Cryptography Using Synchronised Chua Chaotic Circuits

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Prof. Stavros G. Stavrinides, Dr. Tolga Arul

  22. Real-World Chaos-Based Cryptography Using Synchronised Chua Chaotic Circuits

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Prof. Stavros G. Stavrinides, Dr. Tolga Arul

  23. CNT-PUFs: Highly Robust and Heat-Tolerant Carbon-Nanotube-Based Physical Unclonable Functions for Stable Key Generation

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  24. CNT-PUFs: Highly Robust Physical Unclonable Functions Based on Carbon Nanotubes

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  25. Keep your Enemies closer: On the minimal Distance of Adversaries when using Channel-based Key Extraction in SISO 6G Systems

    Article • June 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  26. Abusing Commodity DRAMs in IoT Devices to Remotely Spy on Temperature

    Article • IEEE Transactions on Information Forensics and Security, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  27. On the Sustainability of Lightweight Cryptography Based on PUFs Implemented on NAND Flash Memories Using Programming Disturbances

    Article • September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  28. On the Sustainability of Lightweight Cryptography Based on PUFs Implemented on NAND Flash Memories Using Programming Disturbances

    Article • September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  29. Real-World Chaos-Based Cryptography Using Synchronised Chua Chaotic Circuits

    Article • September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Prof. Stavros G. Stavrinides, Dr. Tolga Arul

  30. Testing Physical Unclonable Functions Implemented on Commercial Off-the-Shelf NAND Flash Memories Using Programming Disturbances

    Article • September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  31. A Dedicated Mixed-Signal Characterisation and Testing Framework for Novel Digital Security Circuits That Use Carbon-Nanotube-Based Physical Unclonable Functions

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  32. On the Sustainability of Lightweight Cryptography Based on PUFs Implemented on NAND Flash Memories Using Programming Disturbances

    Article • April 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Nico Mexis, Dr. Tolga Arul

  33. Using Memristor Arrays as Physical Unclonable Functions

    Article • January 2022, Springer Science + Business Media

    Dr. Tolga Arul

  34. A design for a secure network of networks using a hardware and software co-engineering architecture

    Article • August 2021, ACM (Association for Computing Machinery)

    Nico Mexis, Dr. Tolga Arul

  35. A Lightweight Architecture for Hardware-Based Security in the Emerging Era of Systems of Systems

    Article • ACM Journal on Emerging Technologies in Computing Systems, June 2021, ACM (Association for Computing Machinery)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul, Nico Mexis

  36. Low-Temperature Attacks Against Digital Electronics: A Challenge for the Security of Superconducting Modules in High-Speed Magnetic Levitation (MagLev) Trains

    Article • April 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  37. Nano Security: From Nano-Electronics to Secure Systems

    Article • February 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr.-Ing. Thomas Mikolajick, Dr. Tolga Arul

  38. Demo: Railway Signalling Security Testbed

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  39. A Study of the Spatial Auto-Correlation of Memory-Based Physical Unclonable Functions

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul, Nikolaos Athanasios Anagnostopoulos

  40. Securing FlexRay-based in-vehicle networks

    Article • Microprocessors and Microsystems, September 2020, Elsevier

    Dr. Tolga Arul, Nikolaos Athanasios Anagnostopoulos

  41. Low-cost Security for Next-generation IoT Networks

    Article • ACM Transactions on Internet Technology, August 2020, ACM (Association for Computing Machinery)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  42. ELSA: efficient long-term secure storage of large datasets (full version) ∗

    Article • EURASIP Journal on Information Security, May 2020, Springer Science + Business Media

    Dr. Tolga Arul

  43. Predicting Railway Signalling Commands Using Neural Networks for Anomaly Detection

    Article • January 2020, Springer Science + Business Media

    Dr. Tolga Arul

  44. Safety Meets Security: Using IEC 62443 for a Highly Automated Road Vehicle

    Article • January 2020, Springer Science + Business Media

    Dr. Tolga Arul, Nikolaos Athanasios Anagnostopoulos

  45. Using Implicit Certification to Efficiently Establish Authenticated Group Keys for In-Vehicle Networks

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul, Nikolaos Athanasios Anagnostopoulos

  46. Attacking SRAM PUFs using very-low-temperature data remanence

    Article • Microprocessors and Microsystems, November 2019, Elsevier

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  47. Security Requirements Engineering in Safety-Critical Railway Signalling Networks

    Article • Security and Communication Networks, July 2019, Hindawi Publishing Corporation

    Dr. Tolga Arul, Maria Zhdanova

  48. Lightweight security solutions for IoT implementations in space

    Article • January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  49. AR-PUFs: Advanced Security Primitives for the Internet of Things and Cyber-Physical Systems

    Article • January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  50. Privacy & Usability of IPTV Recommender Systems

    Article • January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  51. Security and Safety Co-Engineering of the FlexRay Bus in Vehicular Networks

    Article • January 2019, ACM (Association for Computing Machinery)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  52. MagneticSpy

    Article • January 2019, ACM (Association for Computing Machinery)

    Dr. Tolga Arul

  53. Poster: Hierarchical Integrity Checking in Heterogeneous Vehicular Networks

    Article • December 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  54. Security Analysis of the RaSTA Safety Protocol

    Article • November 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  55. Securing IoT Devices Using Robust DRAM PUFs

    Article • October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  56. Behavioral Workload Generation for IPTV

    Article • September 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  57. Low-Temperature Data Remanence Attacks Against Intrinsic SRAM PUFs

    Article • August 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  58. Intrinsic Run-Time Row Hammer PUFs: Leveraging the Row Hammer Effect for Run-Time Cryptography and Improved Security †

    Article • Cryptography, June 2018, MDPI AG

    Nikolaos Athanasios Anagnostopoulos, Dr. Tolga Arul

  59. Subscription-free Pay-TV over IPTV

    Article • Journal of Systems Architecture, March 2016, Elsevier

    Dr. Tolga Arul

  60. Lightweight Anti-counterfeiting Solution for Low-End Commodity Hardware Using Inherent PUFs

    Article • January 2014, Springer Science + Business Media

    Dr. Tolga Arul

  61. Consumer Opinions on Short-Interval Charging for Pay-TV over IPTV

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  62. A novel architecture for a secure update of cryptographic engines on trusted platform module

    Article • December 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  63. A novel architecture for a secure update of cryptographic engines on trusted platform module

    Article • December 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tolga Arul

  64. A benchmarking environment for performance evaluation of tree-based rekeying algorithms

    Article • Journal of Systems and Software, July 2011, Elsevier

    Dr. Tolga Arul

  65. Multicast Rekeying: Performance Evaluation

    Article • January 2010, Springer Science + Business Media

    Dr. Tolga Arul