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Updated: Jan 31, 2026

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Dynamically Reconfigurable Encryption and Decryption System Design for the Internet of Things Information Security.

Zhu Wang1, Yan Yao2, Xiaojun Tong3

  • 1Department of Information Science and Engineering, Harbin Institute of Technology-Weihai, No.2 Wenhuaxilu, Huancui District, Weihai 264200, China. wangzhu@hit.edu.cn.

Sensors (Basel, Switzerland)
|January 6, 2019
PubMed
Summary

This study introduces a novel Dynamically Reconfigurable Encryption and Decryption System for the Internet of Things (IoT). The system enhances information security and flexibility while reducing hardware resource consumption by over 30%.

Keywords:
FPGAInternet of Thingscyber-securityencryption and decryption systeminformation securityresources consumption

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Information Security

Background:

  • Internet of Things (IoT) security is crucial for user trust.
  • Limited hardware resources challenge high-performance security implementations.
  • Existing cryptographic hardware solutions are often resource-intensive and inflexible.

Purpose of the Study:

  • To design a flexible and resource-efficient hardware implementation for cryptographic algorithms.
  • To address the high consumption and low flexibility issues of multiple cryptographic algorithms in hardware.
  • To enhance information security in resource-constrained IoT environments.

Main Methods:

  • Developed a Dynamically Reconfigurable Encryption and Decryption System using Field Programmable Gate Array (FPGA).
  • Utilized Core Controller and Reconfiguration Control Platform for dynamic configuration of cryptographic modules from External Memory.
  • Implemented a system capable of on-chip Reconfigurable Partition configuration.

Main Results:

  • Reduced logic resource consumption by over 30% compared to static systems.
  • Achieved algorithm swapping at a configuration speed of 15,759.51 Bytes/ms.
  • Demonstrated significant improvements in utilization efficiency and system flexibility.

Conclusions:

  • The proposed system offers a viable solution for enhancing IoT information security with reduced hardware footprint.
  • Dynamic reconfiguration significantly improves the flexibility and resource utilization of cryptographic hardware.
  • This approach is effective for resource-constrained environments requiring adaptable security.