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Data Signal with a Database and a Compressed Key

  • US 20070143216A1
  • Filed: 12/16/2005
  • Published: 06/21/2007
  • Est. Priority Date: 12/16/2005
  • Status: Abandoned Application
First Claim
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1. A content provider, comprising:

  • a database comprised of encrypted content;

    a compressed key generator that generates a compressed key from which a first key can be derived to gain access to a first data subset of the database, and a second key can be derived to gain access to a second data subset of the database.

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