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Privacy-Preserving and Pairing-Free Multirecipient Certificateless Encryption With Keyword Search for Cloud-Assisted IIoT
IEEE Internet of Things Journal ( IF 8.2 ) Pub Date : 9-24-2019 , DOI: 10.1109/jiot.2019.2943379
Yang Lu , Jiguo Li , Yichen Zhang

Nowadays, cloud-assisted Industrial Internet of Things (IIoT) has become pervasive in modern enterprises, because it supplies a promising way to transform the operation mode of existing industrial facilities, to enhancing the production efficiency and lowering the manufacturing cost. In order to preserve the privacy of enterprises, sensitive industrial data needs to be encrypted prior to being uploaded to the cloud. Recently, certificateless encryption with keyword search (CLKS) was introduced to resolve the problem of encrypted data retrieval in cloud-assisted IIoT. However, the existing CLKS schemes only support a single-recipient keyword search and need to depend on the costly bilinear pairing that is disliked by the resource-constrained IIoT devices. Moreover, most of the existing CLKS schemes are vulnerable to the keyword guessing attack, and thus fail to protect the privacy of searched data. In this article, we develop a privacy-preserving and pairing-free multirecipient CLKS scheme for cloud-assisted IIoT. The proposed scheme has the following merits: 1) supporting multirecipient keyword search function; 2) requiring no costly bilinear pairing operations; and 3) providing resistance against keyword guessing attacks. The performance comparison and analysis demonstrate that it is more efficient than the existing CLKS schemes and is appropriate for the cloud-assisted IIoT.

中文翻译:


用于云辅助 IIoT 的隐私保护和免配对多接收者无证书加密以及关键字搜索



如今,云辅助的工业物联网(IIoT)已在现代企业中普及,因为它为改变现有工业设施的运营模式、提高生产效率、降低制造成本提供了一种有前景的途径。为了保护企业隐私,敏感的工业数据在上传到云端之前需要进行加密。最近,引入了带有关键字搜索的无证书加密 (CLKS),以解决云辅助 IIoT 中的加密数据检索问题。然而,现有的 CLKS 方案仅支持单接收者关键字搜索,并且需要依赖于资源受限的 IIoT 设备所不喜欢的昂贵的双线性配对。此外,现有的CLKS方案大多容易受到关键词猜测攻击,无法保护搜索数据的隐私。在本文中,我们为云辅助 IIoT 开发了一种隐私保护和免配对多接收者 CLKS 方案。该方案具有以下优点:1)支持多接收者关键词搜索功能; 2)不需要昂贵的双线性配对操作; 3) 提供对关键字猜测攻击的抵抗力。性能比较和分析表明,它比现有的CLKS方案更加高效,并且适合云辅助的IIoT。
更新日期:2024-08-22
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