Title:
コンテンツサーバ装置、コンテンツ配信方法、および、コンテンツ配信プログラム
Document Type and Number:
Japanese Patent JP5344031
Kind Code:
B2
Abstract:
A content server device includes a request section for requesting a key server to transmit key data for decrypting encrypted content data to a client side in response to the content distribution request from the client side and a control unit which prohibits the transmission of the encrypted content data in response to the content distribution request if the reception number of notification received from the client side and indicating the reception of the key data from the key server is not less than the transmission number of key data to the client side by the key server and which transmits the encrypted content data in response to the content distribution request if the number of reception is not more than the number of transmission.
Inventors:
Toshiro Obitsu
Application Number:
JP2011501422A
Publication Date:
November 20, 2013
Filing Date:
February 27, 2009
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06F21/44; G06F21/10; H04L9/08; H04N21/266
Domestic Patent References:
| JP2006186871A | 2006-07-13 | |||
| JP2006085484A | 2006-03-30 | |||
| JP2004013564A | 2004-01-15 | |||
| JP2008152775A | 2008-07-03 | |||
| JP2002247021A | 2002-08-30 | |||
| JP2001022859A | 2001-01-26 | |||
| JP2001014221A | 2001-01-19 | |||
| JP2006025455A | 2006-01-26 |
Attorney, Agent or Firm:
Akira Hirakawa
Daisuke Takada
Daisuke Takada