Improving dependability with low power fault detection model for skinny-hash
Sonal Arvind Barge1, Gerardine Immaculate Mary1
1School of Electronics Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India.
Plos One
|December 19, 2024
Summary
This study introduces new fault detection methods for Internet of Things (IoT) devices, enhancing their dependability. The proposed techniques, RECO and DMRC, applied to the SKINNY cipher, show reduced overhead for resource-constrained IoT applications.
Area of Science:
- Computer Science
- Electrical Engineering
- Cybersecurity
Background:
- Internet of Things (IoT) devices are increasingly prevalent but suffer from unreliability due to potential defects.
- Ensuring the dependability and security of IoT devices is critical as they form integral network components.
- Cryptographic algorithms secure IoT devices, yet their dependability remains a significant challenge.
Purpose of the Study:
- To propose and evaluate novel concurrent error detection (CED) techniques for enhancing the dependability of cryptographic algorithms on IoT devices.
- To adapt fault detection methods for resource-constrained IoT environments, focusing on lightweight cryptographic algorithms.
- To implement and analyze the overhead of proposed CED techniques for the SKINNY block cipher.
Main Methods:
- Two fault detection approaches, Recomputing with complemented operands (RECO) and Double modular redundancy with complemented operands (DMRC), were proposed.
- The CED techniques were assimilated into the lightweight SKINNY block cipher, considering resource constraints.
- A resource-sharing concept was applied to DMRC to minimize area overhead, and the SKINNY-Hash function was designed using VHDL.
Main Results:
- The proposed architecture was synthesized and tested, generating area-power reports.
- Functional behavior was verified using ModelSim SE-64.
- Comparative analysis demonstrated that the proposed CED techniques exhibit less area and power overhead compared to other existing methods.
Conclusions:
- The developed fault detection techniques effectively enhance the dependability of cryptographic algorithms in IoT devices.
- The assimilation of CED techniques with the SKINNY cipher, particularly with resource-sharing, offers a low-overhead solution for embedded systems.
- The findings indicate a promising approach for improving the reliability of secure communication in resource-constrained IoT applications.
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