Efficient distribution and improved security for reliable cloud storage system
Ninoslav Marina, Aneta Velkoska, Natasa Paunkoska

TL;DR
This paper introduces the Twin MDS code framework for distributed cloud storage, enhancing efficiency and security against eavesdroppers compared to existing regenerating codes.
Contribution
The paper proposes a novel Twin MDS code framework that improves efficiency and security in distributed storage systems over traditional MBR and MSR codes.
Findings
Twin MDS codes outperform MBR codes in security and efficiency.
Twin MDS codes are comparable to MSR codes in distribution performance.
Enhanced security against passive eavesdroppers in distributed storage.
Abstract
The distributed data storage systems are constructed by large number of nodes which are interconnected over a network. Each node in such peer-to-peer network is vulnerable and at a potential risk for attack. The attackers can eavesdrop the nodes and possibly modify their data. Hence distributed storage systems should be secure apart from satisfying the reconstruction and repair requirements. We constructed a distributed storage system, Twin MDS code framework which is more efficient than the regenerating codes based storage systems. We prove that this Twin MDS code framework gives better performance than MBR codes and equal with MSR codes in the distribution process and investigate its security performance comparing with the security of the MBR and MSR codes. Such Twin MDS code framework is examined in an eavesdropper model where passive attackers can access to the stored data or/and…
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