Dispersed storage network with encrypted portion withholding and methods for use therewith

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United States of America Patent

PATENT NO 9203812
SERIAL NO

14292132

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Importance

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Abstract

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An integrity record is appended to data slices prior to being sent to multiple slice storage units. Each of the data slices includes a different encoded version of the same data segment. An integrity indicator of each data slice is computed, and the integrity record is generated based on each of the individual integrity indicators, and may be, for example, list or a hash of the combined integrity indicators. When retrieving data slices from storage, the integrity record can be stripped off, a new integrity indicator of the data slice calculated, and a new integrity record created. The new integrity record can be compared to the original integrity record, and used to verify the integrity of the data slices.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leggette, Wesley Chicago, US 252 6077
Resch, Jason K Chicago, US 1156 11856

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