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Encryption/decryption of digital data using related, but independent keys

  • US 8,811,611 B2
  • Filed: 10/08/2009
  • Issued: 08/19/2014
  • Est. Priority Date: 07/16/2009
  • Status: Expired due to Fees
First Claim
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1. In a computing system environment, a method of securing original data having been encoded and stored on a computing device, the original data being arranged as a plurality of symbols, comprising:

  • creating at least two keys during the encoding that are each necessary to decoding the encoded original data, the two keys being independent one from the other such that one key of the at least two keys is not used to create another of the at least two keys, wherein one key of the at least two keys provides a master key for decoding a plurality of later-encoded files having current data similar to the original data; and

    storing separately the at least two keys.

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  • 16 Assignments
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