Efficient secret-key encrypted secure slice
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United States of America Patent
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Jun 18, 2019
Grant Date -
Aug 31, 2017
app pub date -
Jan 19, 2017
filing date -
Feb 29, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An encryption module encrypts starting data using a random key to produce encrypted data. A hash module performs a secure hash function on the encrypted data using a secret key to produce a hash value. Processing circuitry masks the random key using the hash value to produce a masked random key, and combines the encrypted data and the masked random key to produce a secure package. A distributed storage and task module encodes the secure package to produce a set of encoded data slices. The secret key and a decode threshold number of the encoded data slices included in the set of encoded data slices are sufficient to recover the secure package and the starting data. The set of encoded data slices is stored in a set of storage units.
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