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Key establishment method and system between wireless communication devices

  • US 20060179314A1
  • Filed: 02/03/2006
  • Published: 08/10/2006
  • Est. Priority Date: 02/04/2005
  • Status: Abandoned Application
First Claim
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1. A key establishment method comprising:

  • selecting a generator from elements of a finite field, and an arbitrary number less than a number of the elements of the finite field, generating a function value using the selected arbitrary number and the selected generator, hashing the function value, thereby generating a hashed value, sending the hashed value and the function value, and receiving another hashed value and another function value;

    hashing the received other function value and determining whether the hashed other function value matches the received other hashed value; and

    establishing a key using the received other function value and the selected arbitrary number when the hashed other function value matches the received other hashed value.

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