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Data Communication Based on MQTT in a Polymer Extrusion Process

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An Efficient Pairing-Free Ciphertext-Policy Attribute-Based Encryption Scheme for Internet of Things.

Chong Guo¹, Bei Gong¹, Muhammad Waqas^2,3

¹College of Computer Science, Beijing University of Technology, Beijing 100124, China.

Sensors (Basel, Switzerland)

|November 9, 2024

Summary

This study introduces an efficient, pairing-free ciphertext-policy attribute-based encryption (CP-ABE) scheme designed for Internet of Things (IoT) security. The new method enhances data security on resource-constrained IoT devices.

Keywords:

Internet of Things access control ciphertext-policy attribute-based encryption pairing-free

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Area of Science:

Computer Science
Cryptography
Network Security

Background:

The Internet of Things (IoT) presents significant data security challenges due to its heterogeneous and dynamic nature.
Existing Ciphertext-Policy Attribute-Based Encryption (CP-ABE) schemes are often inefficient, limiting their applicability to resource-constrained IoT devices.

Purpose of the Study:

To propose an efficient and lightweight CP-ABE scheme tailored for the security needs of the Internet of Things.
To address the performance limitations of current CP-ABE solutions in IoT environments.

Main Methods:

Development of a novel pairing-free CP-ABE scheme utilizing lightweight elliptic curve scalar multiplication.
Incorporation of multi-authority support and verifiable outsourced decryption capabilities.
Security analysis based on the elliptic curve decisional Diffie-Hellman (ECDDH) problem, proving indistinguishability against chosen-plaintext attacks (CPA).

Main Results:

The proposed scheme demonstrates enhanced efficiency compared to existing CP-ABE solutions.
The scheme is optimized for the computational constraints of IoT devices.
The cryptographic approach provides fine-grained access control and robust security.

Conclusions:

The developed pairing-free CP-ABE scheme offers a practical and efficient cryptographic solution for securing data in the Internet of Things.
This advancement is crucial for enabling secure and reliable IoT applications on devices with limited resources.