Wb-Proxshare: A Warrant-Based Proxy Re-Encryption Model for Secure Data Sharing in Iot Networks Via Blockchain

Collins Sey, Hang Lei, Xiaoyu Li, Weizhong Qian, Obed Barnes, Linda Delali Fiasam, Cong Zhang, Seth Larweh Kodjiku, Isaac Osei Agyemang, Isaac Adjei-Mensah, Xiaolei Shang
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Abstract

The Internet of Things (IoT) has become increasingly popular due to the enormous growth in the number of smart devices and the massive amount of data these devices generate. Data access and sharing has been one of the most valuable services of the IoT network. For this reason, the security and privacy of the data are of great essence to harnessing the full potential of the IoT network. Existing security measures for data access and sharing have proven to be insufficient. They usually need more credibility due to centralization and single-point-of-failure problems. In this paper, we propose WB-Proxshare, a data access and sharing model based on warrant and proxy re-encryption (PRE) with blockchain. We present a mechanism that further enhances collusion-resistance in data storage, access and sharing. Our model ensures tamper-proof, data privacy, provenance and auditing. We set a proxy server that issues warrant for data storage and sharing and re-encrypts data owners’ encrypted data to grant access to legitimate data users. Our security analysis and evaluation show that the proposed model has high efficiency and ensures strong data security, integrity, and confidentiality guarantee for data access and sharing in the IoT environment and is practicable.
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Wb-Proxshare:一种基于授权的代理再加密模型,用于通过区块链实现物联网网络中的安全数据共享
由于智能设备数量的巨大增长以及这些设备产生的大量数据,物联网(IoT)变得越来越受欢迎。数据访问和共享一直是物联网网络中最有价值的服务之一。因此,数据的安全性和隐私性对于充分利用物联网网络的潜力至关重要。现有的数据访问和共享安全措施已被证明是不够的。由于集中化和单点故障问题,它们通常需要更高的可信度。本文提出了一种基于区块链授权和代理重加密(PRE)的数据访问和共享模型WB-Proxshare。我们提出了一种在数据存储、访问和共享方面进一步增强抗合谋的机制。我们的模型确保了防篡改、数据隐私、来源和审计。我们设置了一个代理服务器,为数据存储和共享颁发授权,并重新加密数据所有者的加密数据,以授予合法数据用户访问权限。我们的安全性分析和评估表明,该模型具有较高的效率,为物联网环境下的数据访问和共享提供了强有力的数据安全性、完整性和保密性保障,是切实可行的。
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