Abstract
Distributed storage systems have been widely used in the field of Big Data, Cloud Computing, and Internet of Things. AONT-RS is a classical information dispersal scheme, which blends an ALL-Or-Noting Transform with Reed-Solomon coding to improve the data security of distributed storage systems. In this paper, we analyze the security vulnerabilities in AONT-RS and propose an optimized scheme called AONTNZZD to enhance data security and computational efficiency. Then, we assess the data security of AONT-NZZD from three aspects of reliability, confidentiality, and recoverability. We further implement the proposed scheme in a distributed object storage system. Finally, we conduct experiments to compare the performance of AONT-NZZD with other dispersal schemes based on AONT-RS. Theoretical analysis and experimental results show that AONT-NZZD outperforms AONT-RS in both security and efficiency.
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