Distributed archive system, data archive device, and data restoring device with improved restoration and security
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United States of America Patent
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Jan 30, 2018
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app pub date -
Nov 7, 2011
filing date -
Nov 8, 2010
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Abstract
A system for a distributed archive and data restoration which achieves both high-speed processing and security is provided. A random number is generated by a seed random number generator, and inputted to a key random number generator as a seed, and each data fragment is obtained by dividing a source data file to be archived, and is redundantly stored on (n−k+1) storage mediums identified as destination storage mediums among n storage mediums on the basis of the random number generated by the key random number generator each time where n is an integer no less than 2 and k is an integer no more than value of n.
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