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Encrypting data in a storage system using a plurality of encryption keys

  • US 10,284,367 B1
  • Filed: 01/05/2017
  • Issued: 05/07/2019
  • Est. Priority Date: 09/26/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • transforming an initial master secret into a final master secret using one or more external secrets, wherein the one or more external secrets are stored separately from a computing system;

    for each storage device of a plurality of storage devices of the computing system, encrypting data on the storage device with a device key, wherein the device key that encrypts the data on one storage device is different than another device key that encrypts data on another storage device; and

    using the final master secret to both encrypt all of the device keys used to encrypt data on the plurality of storage devices, and to generate a plurality of shares from the final master secret.

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