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PRISEC: Comparison of Symmetric Key Algorithms for IoT Devices
Daniel A F Saraiva1,2, Valderi Reis Quietinho Leithardt3,4, Diandre de Paula5
1Departamento de Informática, Universidade da Beira Interior, 6201-601 Covilhã, Portugal. daniel.saraiva@ubi.pt.
This study evaluated symmetric key ciphers for Internet of Things (IoT) security. ChaCha20-Poly1305, SPECK128, and LEA demonstrated strong performance on resource-constrained devices.
Area of Science:
- Computer Science
- Cryptography
- Internet of Things (IoT) Security
Background:
- Increasingly, heterogeneous resource-constrained devices are connected to the Internet, posing significant challenges for data privacy and protection.
- Standardized secure communication methods are essential for these devices.
- The PRISEC module within the UbiPri middleware aims to address these security needs.
Purpose of the Study:
- To evaluate the performance of various symmetric key ciphers on Internet of Things (IoT) devices.
- To identify the most efficient and suitable cryptographic algorithms for the PRISEC module.
- To guide the selection of cryptographic solutions for resource-constrained environments.
Main Methods:
- Performance analysis of Advanced Encryption Standard (AES), RC6, Twofish, SPECK128, LEA, and ChaCha20-Poly1305 algorithms.
- Measurement of execution times, throughput, and power consumption on IoT devices.
- Comparative assessment of cryptographic algorithm efficiency in constrained environments.
Main Results:
- ChaCha20-Poly1305 exhibited excellent performance on resource-constrained IoT devices.
- Lightweight block ciphers SPECK128 and LEA also showed promising results for IoT applications.
- Performance varied significantly across different algorithms and device constraints.
Conclusions:
- ChaCha20-Poly1305 is a highly suitable option for securing resource-constrained IoT devices.
- SPECK128 and LEA are viable lightweight alternatives for IoT cryptography.
- Algorithm selection must consider specific device constraints and security requirements for effective PRISEC implementation.
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