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Towards Secure and Privacy-Preserving IoT Enabled Smart Home: Architecture and Experimental Study.
Mamun Abu-Tair1, Soufiene Djahel2, Philip Perry1
1School of Computing, Ulster University, Belfast BT37 0QB, UK.
Sensors (Basel, Switzerland)
|October 31, 2020
Summary
This study presents a new Internet of Things (IoT) architecture for smart homes, evaluating lightweight cryptographic algorithms like CLEFIA and TRIVIUM for security. Results show modern algorithms can be energy-intensive in software, with CLEFIA outperforming TRIVIUM.
Area of Science:
- Computer Science
- Cybersecurity
- Electrical Engineering
Background:
- Internet of Things (IoT) technology is rapidly expanding into smart homes and cities.
- Ensuring security and privacy in IoT applications is a critical challenge.
- Constrained IoT devices require efficient security solutions.
Purpose of the Study:
- To introduce a novel IoT architecture for smart home use cases.
- To identify security threats and suitable cryptographic algorithms for IoT devices.
- To experimentally evaluate the performance of lightweight cryptographic algorithms in IoT contexts.
Main Methods:
- Development of a new IoT architecture for smart homes.
- Identification of potential security threats and relevant cryptographic algorithms.
- Experimental performance analysis of lightweight symmetric cryptography algorithms (CLEFIA, TRIVIUM) against legacy techniques in software implementations.
Main Results:
- Modern lightweight symmetric cryptography algorithms (e.g., CLEFIA, TRIVIUM) can consume significantly more energy (up to 10x) in software than legacy methods.
- CLEFIA demonstrated superior performance compared to TRIVIUM across all tested scenarios.
- TRIVIUM showed a substantial performance degradation (100x worse) compared to legacy algorithms.
Conclusions:
- The proposed architecture offers a secure foundation for IoT-enabled smart homes.
- Lightweight cryptographic algorithms require careful consideration for software-based IoT implementations due to energy consumption.
- CLEFIA emerges as a more suitable option than TRIVIUM for securing constrained IoT devices in this architecture.
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