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Peer-to-peer communication apparatus and communication method

  • US 20040181689A1
  • Filed: 10/30/2003
  • Published: 09/16/2004
  • Est. Priority Date: 03/11/2003
  • Status: Active Grant
First Claim
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1. A peer-to-peer communication apparatus for performing one-to-one communication with another communication apparatus via an IP network, comprising:

  • first means for performing an encryption process and/or an authentication process with respect to a packet;

    second means for acquiring, from a peer'"'"'s communication apparatus specified by a user of the communication apparatus, presence information including information for judging a communication security environment of said peer'"'"'s communication apparatus and security policy information including an encryption rule and an authentication rule each to be applied to packets by said peer'"'"'s communication apparatus; and

    third means for displaying said presence information and said security policy information such that said user judges propriety of the security policy information based on the presence information and allowing the user to partly change the security policy information, said first means processing a packet to be transmitted to said peer'"'"'s communication apparatus in accordance with a security policy approved by the user.

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