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Public key certification providing apparatus

  • US 20030200437A1
  • Filed: 04/16/2003
  • Published: 10/23/2003
  • Est. Priority Date: 04/17/2002
  • Status: Active Grant
First Claim
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1. A public key certificate providing apparatus comprising:

  • generation means for generating a certificate of a first public key; and

    providing means for providing the certificate of the first public key, generated by said generation means;

    wherein the certificate of the first public key generated by said generation means includes a certificate of a second public key issued by an authenticating service provider and a digital signature of which legitimacy can be confirmed with the second public key.

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