Dispersed storage network secure hierarchical file directory
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United States of America Patent
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Nov 20, 2018
Grant Date -
Feb 15, 2018
app pub date -
Oct 26, 2017
filing date -
Dec 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method includes creating a file directory entry in a directory file of a secure hierarchical file directory system for a file. The file directory entry includes a path name, an encryption access control list, and a source name. The file is encrypted with a key and the key is encrypted with each public key of user devices authorized to access the file. The encryption access control list includes identities of the set of user devices and the set of object content keys. The method further includes encrypting the directory file using a second key. The method further includes generating second object content keys based on the second key and public keys of second user devices authorized to access the directory file. The method further includes creating a next level directory file entry in a next higher directory file of the secure hierarchical file directory system for the directory file.
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