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Methods to securely bind an encryption key to a storage device

  • US 8,332,604 B2
  • Filed: 09/30/2008
  • Issued: 12/11/2012
  • Est. Priority Date: 09/30/2008
  • Status: Active Grant
First Claim
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1. A method for managing a cache key in a device, comprising:

  • binding a solid-state drive cache system to a hard disk drive to include negotiating a cryptographic algorithm for authentication and establishment of a secure channel between the solid-state drive cache system and the hard disk drive;

    identifying a disk location in the hard disk drive and storing the cache key in the disk location;

    storing the disk location in the solid-state drive cache system;

    enabling caching of the hard disk drive to the solid-state drive cache system to provide write access of user/cache data; and

    encrypting solid-state drive cache system with the cache key.

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