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Account aggregation system, information processing apparatus and encryption key management method of the account aggregation system

  • US 8,515,067 B2
  • Filed: 11/24/2010
  • Issued: 08/20/2013
  • Est. Priority Date: 12/18/2009
  • Status: Expired due to Fees
First Claim
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1. An account aggregation system for assisting an entry of authentication data while requesting service from service providing servers, the system comprising:

  • an information processing apparatus configured to receive service from the service providing servers, each having requested the authentication data; and

    an account aggregation server configured to execute encrypted communication with the information processing apparatus,wherein the information processing apparatus comprises;

    a database configured to store the authentication data;

    an automatic sign-on process module configured to provide the authentication data requested by the service providing servers from the database; and

    an encryption key processing module configured to register, for the account aggregation server, an encryption key for encrypting authentication data to be stored in the database or for decrypting the authentication data stored in the database, to acquire the encryption key from the account aggregation server when a process is executed using the encryption key, and to erase the encryption key after the process is executed,the account aggregation server comprises an encryption key management module configured to manage the encryption key;

    the encryption key processing module comprises an encryption key updating module configured to update the encryption key managed by the account aggregation server, andthe encryption key updating module is configured to acquire the encryption key not updated yet from the account aggregation server in order to decrypt the authentication data stored in the database, to erase the encryption key not updated yet after decrypting the authentication data, to encrypt the authentication data by using updated encryption key in order to store the authentication data in the database, and to erase the updated encryption key after storing the authentication data.

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