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Methods and apparatus for negotiating agreement over concealed terms through a blind agent

  • US 20070005962A1
  • Filed: 07/28/2003
  • Published: 01/04/2007
  • Est. Priority Date: 07/30/2002
  • Status: Active Grant
First Claim
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1. A method of comparing secret information, comprising:

  • a) determining a match between at least one encrypted information file and at least one encrypted search request file without removing said encryption, b) revealing said match to the sources of said files wherein said match is capable of being decrypted by said services, and c) concealing non-matches from said sources.

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