End-to-end secure data retrieval in a dispersed storage network

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United States of America Patent

PATENT NO 10095441
APP PUB NO 20170091031A1
SERIAL NO

15237874

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Abstract

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A method includes a first computing device retrieving a decode threshold number of encrypted encoded data slices. The method further includes the first computing device generating a decoding matrix based on pillar numbers of the decode threshold number of encrypted encoded data slices and an encoding matrix. The method further includes the first computing device dispersed storage error decoding the decode threshold number of encrypted encoded data slices based on the decoding matrix to produce an encrypted data segment. The method further includes the first computing device sending the encrypted data segment and the pillar numbers to a second computing device. The method further includes the second computing device identifying a particular subset of encryption keys of the set of encryption keys based on the pillar numbers. The method further includes the second computing device decrypting the encrypted data segment based on the particular subset of encryption keys.

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Patent Owner(s)

  • IBM CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dhuse, Greg R Chicago, US 323 749
Resch, Jason K Chicago, US 1156 11884
Vossberg, Trevor J Chicago, US 22 25

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