A Lightweight Attribute Based Encryption Scheme with Constant Size Ciphertext for Internet of Things

被引:11
|
作者
Yang, Wenti [1 ]
Wang, Ruimiao [1 ]
Guan, Zhitao [1 ]
Wu, Longfei [2 ]
Du, Xiaojiang [3 ]
Guizani, Mohsen [4 ]
机构
[1] North China Elect Power Univ, Sch Control & Comp Engn, Beijing, Peoples R China
[2] Fayetteville State Univ, Dept Math & Comp Sci, Fayetteville, NC 28301 USA
[3] Temple Univ, Dept Comp & Informat Sci, Philadelphia, PA 19122 USA
[4] Qatar Univ, Dept Comp Sci & Engn, Doha, Qatar
基金
北京市自然科学基金; 国家重点研发计划; 中国国家自然科学基金;
关键词
IoT; CP-ABE; constant-size ciphertexts; full security; THRESHOLD;
D O I
10.1109/icc40277.2020.9149294
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The Internet of Things technology has been used in a wide range of fields, ranging from industrial applications to individual lives. As a result, a massive amount of sensitive data is generated and transmitted by IoT devices. Those data may be accessed by a large nusmber of complex users. Therefore, it is necessary to adopt an encryption scheme with access control to achieve more flexible and secure access to sensitive data. The Ciphertext Policy Attribute-Based Encryption (CP-ABE) can achieve access control while encrypting data can match the requirements mentioned above. However, the long ciphertext and the slow decryption operation makes it difficult to be used in most IoT devices which have limited memory size and computing capability. This paper proposes a modified CP-ABE scheme, which can implement the full security (adaptive security) under the access structure of AND gate. Moreover, the decryption overhead and the length of ciphertext are constant. Finally, the analysis and experiments prove the feasibility of our scheme.
引用
收藏
页数:6
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