Secure RAID schemes from EVENODD and STAR codes

Secure RAID schemes from EVENODD and STAR codes
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来自 EVENODD 和 STAR 代码的安全 RAID 方案

DOI:
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发表时间:
2017
期刊:
International Symposium on Information Theory
影响因子:
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通讯作者:
Jehoshua Bruck
Jehoshua Bruck
中科院分区:
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文献类型:
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作者:
Wentao Huang;Jehoshua Bruck

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我们研究安全磁盘阵列(RAID),即一种以分布式方式存储信息的低复杂度方案,该方案对节点故障有恢复能力,并且能抵御节点窃听。我们描述了一种在[6]中缩短安全的EVENODD方案的技术,它能够以最优方式容忍2个节点故障和2个窃听节点。这种缩短技术使我们能够获得任意长度的安全EVENODD方案,这对于实际应用是很重要的。我们还从STAR码构建了一种新的安全RAID方案。该方案能够以最优的编码/解码和随机访问复杂度容忍3个节点故障和3个窃听节点。
We study secure RAID, i.e., low-complexity schemes to store information in a distributed manner that is resilient to node failures and resistant to node eavesdropping. We describe a technique to shorten the secure EVENODD scheme in [6], which can optimally tolerate 2 node failures and 2 eavesdropping nodes. The shortening technique allows us to obtain secure EVENODD schemes of arbitrary lengths, which is important for practical application. We also construct a new secure RAID scheme from the STAR code. The scheme can tolerate 3 node failures and 3 eavesdropping nodes with optimal encoding/decoding and random access complexity.