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Information processing apparatus and method, program, and recording medium

  • US 20060050877A1
  • Filed: 08/24/2005
  • Published: 03/09/2006
  • Est. Priority Date: 09/07/2004
  • Status: Abandoned Application
First Claim
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1. An information processing apparatus for communicating with another information processing apparatus, the apparatus comprising:

  • random number generating means for generating a random number;

    first authentication data generating means for generating first authentication data based on the random number generated by the random number generating means, the first authentication data regarding the authentication of the another information processing apparatus;

    authentication data transmitting means for transmitting the first authentication data to the another information processing apparatus;

    authentication data receiving means for receiving second authentication data regarding the authentication of the another information processing apparatus, the second authentication data being generated based on the first authentication data by the another information processing apparatus;

    decrypting means for decrypting the second authentication data using at least one decryption method corresponding to at least one encryption method; and

    authenticating means for verifying, based on the second authentication data decrypted by the decrypting means and the random number generated by the random number generating means, whether the another information processing apparatus is a valid communications partner.

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