Geodesic
A method of protected distribution of data among unreliable and untrusted nodes
Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 19 (2019) no. 3, pp. 326-337

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We consider a model of protecting the confidentiality and recoverability of data in a distributed storage system. It is assumed that informational blocks are coded into the code blocks. Then the blocks are divided into parts and distributed among repositories of the distributed storage. A modification of the code noising method is constructed which simultaneously provides computational resistance to coalition attacks on confidentiality of stored data. Moreover, the modification also provides protection from the failure of a part of the storage nodes. Confidentiality protection is provided for coalitions of greater cardinality than in the case of using the classical method of code noising. It is shown that computational resistance is based on the complexity of solving one well-known problem of theoretical coding. 
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     author = {Yu. V. Kosolapov and F. S. Pevnev},
     title = {A method of protected distribution of data among unreliable and untrusted nodes},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
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     url = {http://geodesic.mathdoc.fr/item/ISU_2019_19_3_a6/}
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Yu. V. Kosolapov; F. S. Pevnev. A method of protected distribution of data among unreliable and untrusted nodes. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 19 (2019) no. 3, pp. 326-337. http://geodesic.mathdoc.fr/item/ISU_2019_19_3_a6/