×

Person authentication system, person authentication method, information processing apparatus, and program providing medium

  • US 7,243,238 B2
  • Filed: 08/30/2001
  • Issued: 07/10/2007
  • Est. Priority Date: 08/31/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A person authentication method for executing person authentication by comparing a template which is person identification data acquired beforehand with sampling information input by a user, said method comprising the steps of:

  • acquiring an encrypted template from a person identification certificate including said template and generated by a third-party agency serving as a person identification certificate authority;

    receiving said encrypted template from said person identification certificate authority and an encrypted sampling information from said user;

    decrypting said encrypted template and said encrypted sampling information;

    comparing said decrypted template with said decrypted sampling information, andexecuting person authentication on the basis of the acquired template;

    wherein,said encrypted sampling information is generated using a public key certificate generated by a certificate authority; and

    when transmitting said person identification certificate to a person authentication system, said person identification certificate authority(a) retrieves a stored encrypted template,(b) decrypts the stored encrypted template using a private key of the person identification certificate authority,(c) re-encrypts the decrypted template using a public key of said person authentication system to which said person identification certificate is to be transmitted, and(d) stores the re-encrypted template in said person identification certificate.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×