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Method and apparatus for protecting digital data by double re-encryption

  • US 8,024,810 B2
  • Filed: 07/03/2006
  • Issued: 09/20/2011
  • Est. Priority Date: 10/15/1998
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • a computing system receiving data; and

    the computing system encrypting the received data using a first key and a second key to produce double encrypted data, wherein a first portion of said encrypting uses the first key and is performed by a filter driver of an operating system executing on the computing system, and wherein a second portion of said encrypting uses the second key and is performed by a hardware unit of the computing system.

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  • 6 Assignments
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