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Blockchain Empowered Arbitrable Data Auditing Scheme for Network Storage as a Service
IEEE Transactions on Services Computing ( IF 5.5 ) Pub Date : 2019-01-01 , DOI: 10.1109/tsc.2019.2953033
Yang Xu , Ju Ren , Yan Zhang , Cheng Zhang , Bo Shen , Yaoxue Zhang

The maturity of network storage technology drives users to outsource local data to remote servers. Since these servers are not reliable enough for keeping users’ data, remote data auditing mechanisms are studied for mitigating the threat to data integrity. However, many traditional schemes achieve verifiable data integrity for users only without resolutions to data possession disputes, while others depend on centralized third-party auditors (TPAs) for credible arbitrations. Recently, the emergence of blockchain technology promotes inspiring countermeasures. In this article, we propose a decentralized arbitrable remote data auditing scheme for network storage service based on blockchain techniques. We use a smart contract to notarize integrity metadata of outsourced data recognized by users and servers on the blockchain, and also utilize the blockchain network as the self-recording channel for achieving non-repudiation verification interactions. We also propose a fairly arbitrable data auditing protocol with the support of the commutative hash technique, defending against dishonest provers and verifiers. Additionally, a decentralized adjudication mechanism is implemented by using the smart contract technique for creditably resolving data possession disputes without TPAs. The theoretical analysis and experimental evaluation reveal its effectiveness in undisputable data auditing and the limited requirement of costs.

中文翻译:

网络存储即服务的区块链赋权仲裁数据审计方案

网络存储技术的成熟促使用户将本地数据外包给远程服务器。由于这些服务器在保存用户数据方面不够可靠,因此研究了远程数据审计机制以减轻对数据完整性的威胁。然而,许多传统方案仅在没有解决数据所有权纠纷的情况下才能为用户实现可验证的数据完整性,而其他方案则依赖于集中的第三方审计师 (TPA) 进行可信的仲裁。近期,区块链技术的出现催生了鼓舞人心的对策。在本文中,我们提出了一种基于区块链技术的网络存储服务去中心化可仲裁远程数据审计方案。我们使用智能合约对区块链上用户和服务器认可的外包数据的完整性元数据进行公证,并利用区块链网络作为自记录通道,实现不可否认性验证交互。我们还提出了一个相当可仲裁的数据审计协议,支持交换散列技术,防止不诚实的证明者和验证者。此外,通过使用智能合约技术来实现去中心化的裁决机制,以在没有 TPA 的情况下可信地解决数据所有权纠纷。理论分析和实验评估揭示了其在无可争议的数据审计中的有效性和有限的成本要求。抵御不诚实的证明者和验证者。此外,通过使用智能合约技术来实现去中心化的裁决机制,以在没有 TPA 的情况下可信地解决数据所有权纠纷。理论分析和实验评估揭示了其在无可争议的数据审计中的有效性和有限的成本要求。抵御不诚实的证明者和验证者。此外,通过使用智能合约技术来实现去中心化的裁决机制,以在没有 TPA 的情况下可信地解决数据所有权纠纷。理论分析和实验评估揭示了其在无可争议的数据审计中的有效性和有限的成本要求。
更新日期:2019-01-01
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