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NAMESPACE ENCRYPTION IN NON-VOLATILE MEMORY DEVICES

  • US 20190146931A1
  • Filed: 11/16/2017
  • Published: 05/16/2019
  • Est. Priority Date: 11/16/2017
  • Status: Active Grant
First Claim
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1. A computer storage device, comprising:

  • a host interface;

    a controller;

    non-volatile storage media; and

    firmware containing instructions which, when executed by the controller, instruct the controller to at least;

    limit a crypto key to be used in data access requests made in a first namespace allocated on the non-volatile storage media of the computer storage device;

    store data in the first namespace in an encrypted form corresponding to the crypto key;

    free a portion of the non-volatile storage media from the first namespace, the portion storing the data; and

    make the portion of the non-volatile storage media available in a second namespace without erasing the data stored in the portion of the non-volatile storage media.

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