A Comparative Study of Post-Quantum Cryptosystems for Internet-of-Things Applications

Area of Science:

• Cryptography
• Computer Science
• Internet of Things (IoT)

Background:

• Quantum computers and Shor's algorithm threaten classical public-key cryptosystems essential for internet security.
• The Internet of Things (IoT) connects numerous low-powered, resource-constrained devices, increasing vulnerability.
• A new cryptographic standard resistant to quantum attacks is crucial for future internet security.

Purpose of the Study:

• To investigate post-quantum cryptosystems suitable for resource-constrained IoT devices.
• To adapt and evaluate the performance of these quantum-resistant algorithms on current IoT hardware.
• To provide guidelines for selecting optimal post-quantum cryptography for diverse IoT applications.

Main Methods:

• Studied several post-quantum cryptosystem proposals.
• Adapted selected algorithms to work with existing cryptography and communication software.
• Conducted performance measurements on resource-constrained hardware.

Main Results:

• Many post-quantum algorithms can be efficiently executed on current IoT hardware.
• These algorithms provide adequate protection against future quantum computer attacks.
• Guidelines were established for selecting the best post-quantum cryptosystems for specific IoT applications.

Conclusions:

• Post-quantum cryptography is feasible and necessary for securing the Internet of Things.
• Efficient quantum-resistant solutions exist for resource-constrained IoT devices.
• Proactive adoption of post-quantum cryptography is vital for long-term IoT security.