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Method and system for authentication and electronic signature

  • US 6,647,493 B1
  • Filed: 03/04/1999
  • Issued: 11/11/2003
  • Est. Priority Date: 03/06/1998
  • Status: Expired due to Term
First Claim
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1. A method for authentication and electronic signature, comprising:

  • generating a casual initial signal, comprising acquiring a random signal;

    generating an authentication and electronic signature signal by using a first private key, the casual initial signal, and a first chaotic signal generator and generating a first chaotic signal by activating the first chaotic signal generator for a development time related to the random signal;

    generating a comparison signal by using the casual initial signal, a second private key equal to the first private, and a second chaotic signal generator identical to the first chaotic generator and generating a second chaotic signal; and

    comparing said authentication and electronic signature signal with said comparison signal.

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