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Method, authentication medium and device for securing access to a piece of equipment

  • US 20070168667A1
  • Filed: 02/18/2005
  • Published: 07/19/2007
  • Est. Priority Date: 02/27/2004
  • Status: Abandoned Application
First Claim
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1. A method of securing access to a piece of equipment, comprising:

  • one attribution operation supplying a reference datum to an authentication medium;

    an acquisition operation obtaining, for every access request formulated by a party requesting access to the equipment, a biometric signature of said party requesting access; and

    a verification step verifying, by means of the reference datum, the authenticity of the biometric signature obtained from the party requesting access, further including a prior encryption step, during which an encrypted version of at least one authentic biometric signature belonging to at least one person authorised to access the piece of equipment is created, wherein the verification step comprises a decryption operation implemented in the authentication medium which includes decrypting, by means of a secret key, the encrypted version of an authentic biometric signature supplied to said authentication medium as a reference datum during the access request, and wherein the verification step comprises a comparing operation implemented by secretly comparing the biometric signature obtained from the party requesting access during the acccess request with the authentic biometric signature that results from the decryption step.

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