×

Information processing apparatus and method

  • US 9,112,678 B2
  • Filed: 02/19/2013
  • Issued: 08/18/2015
  • Est. Priority Date: 07/06/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. An information processing apparatus, comprising:

  • circuitry configured totransmit a random value to another information processing apparatus that receives encrypted content;

    judge whether information is valid, the information being generated at the another information processing apparatus based on the random value and then transmitted from the another information processing apparatus;

    transmit key information used for decrypting the encrypted content to the another information processing apparatus in response to the information being valid;

    determine an additional value used to update a count of information processing apparatuses that receive the key information based on whether identification information of the another information processing apparatus is registered in a registration list that includes respective identification information of each one of the information processing apparatuses that receive the key information;

    update the count by adding the additional value to the count; and

    increase a predefined maximum value of the count during an authentication process when (i) the count is equal to or larger than the predefined maximum value and (ii) the information processing apparatus is arranged as a bridge processing apparatus.

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