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Electronic trusted party

  • US 5,117,358 A
  • Filed: 09/25/1989
  • Issued: 05/26/1992
  • Est. Priority Date: 09/25/1989
  • Status: Expired due to Term
First Claim
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1. A device for comparing information in such a way that no person can recover the information input by another person, comprising:

  • a means for input of information by a multiplicity of persons;

    a means for comparing said information, then destroying said information, so that said information is rendered unrecoverable from said device; and

    a means for output of the results of said comparison,whereby each of said persons is assured that his or her information can not be obtained by one of the other persons unless said other person is already in possession of said information.

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