An efficient pairing-free ciphertext-policy attribute-based encryption scheme for Internet of Things
Author Identifier
Muhammad Waqas: https://orcid.org/0000-0003-0814-7544
Document Type
Journal Article
Publication Title
Sensors
Volume
24
Issue
21
PubMed ID
39517740
Publisher
MDPI
School
School of Engineering
RAS ID
76651
Funders
Major Science and Technology Projects in Yunnan Province (202202AD080013) / National Key Research and Development Project of China (2019YFB2102303) / National Natural Science Foundation of China (61971014) / King Khalid University (RGP.2/373/45)
Abstract
The Internet of Things (IoT) is a heterogeneous network composed of numerous dynamically connected devices. While it brings convenience, the IoT also faces serious challenges in data security. Ciphertext-policy attribute-based encryption (CP-ABE) is a promising cryptography method that supports fine-grained access control, offering a solution to the IoT’s security issues. However, existing CP-ABE schemes are inefficient and unsuitable for IoT devices with limited computing resources. To address this problem, this paper proposes an efficient pairing-free CP-ABE scheme for the IoT. The scheme is based on lightweight elliptic curve scalar multiplication and supports multi-authority and verifiable outsourced decryption. The proposed scheme satisfies indistinguishability against chosen-plaintext attacks (CPA) under the elliptic curve decisional Diffie–Hellman (ECDDH) problem. Performance analysis shows that our proposed scheme is more efficient and better suited to the IoT environment compared to existing schemes.
DOI
10.3390/s24216843
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Comments
Guo, C., Gong, B., Waqas, M., Alasmary, H., Tu, S., & Chen, S. (2024). An efficient pairing-free ciphertext-policy attribute-based encryption scheme for Internet of Things. Sensors, 24(21), 6843. https://doi.org/10.3390/s24216843