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ENABLING SECURE BIG DATA ANALYTICS IN THE CLOUD

  • US 20180173887A1
  • Filed: 02/13/2018
  • Published: 06/21/2018
  • Est. Priority Date: 09/11/2015
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • reading a secure file, by a Secure Distributed File System in a public cloud service provider having a processor and a memory device, the reading comprising;

    computing a hash of a name of the secure file to obtain a hashed file name;

    finding metadata for the secure file using the hashed file name, the metadata including a sharing policy identifier configured for obtaining a security key;

    retrieving the sharing policy identifier from the metadata, and extracting the security key and encrypted data file names from the metadata using the sharing policy identifier;

    at least one of decrypting and reconstructing plaintext data for the secure file from one or more requested encrypted data files.

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