| US 7,530,114 B2 | ||
| Content delivery method and content delivery system | ||
| Kazuhiro Yamada, Yokohama (Japan); Nobuyuki Watanabe, Sayama (Japan); Masayuki Tsuda, Tokyo (Japan); Dai Kamiya, Ichikawa (Japan); Mao Asai, Yokosuka (Japan); Fumiaki Miura, Yokosuka (Japan); Satoshi Washio, Tokyo (Japan); Atsuki Tomioka, Yokohama (Japan); Hiroshi Kawabata, Tokyo (Japan); and Takashi Kondo, Tokyo (Japan) | ||
| Assigned to NTT DoCoMo, Inc., Tokyo (Japan) | ||
| Appl. No. 10/500,885 PCT Filed Jan. 07, 2003, PCT No. PCT/JP03/00035 § 371(c)(1), (2), (4) Date Jul. 07, 2004, PCT Pub. No. WO03/058411, PCT Pub. Date Jul. 17, 2003. |
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| Claims priority of application No. 2002-001843 (JP), filed on Jan. 08, 2002. | ||
| Prior Publication US 2005/0166264 A1, Jul. 28, 2005 | ||
| Int. Cl. H04L 9/28 (2006.01) | ||
| U.S. Cl. 726—30 [726/10; 705/51; 713/157; 713/176] | 6 Claims |
| 1. A communication method comprising:
transmitting a security descriptive file from an administering server unit to a terminal unit, the administering server unit
being included in a communication system, the communication system transmitting a file in response to a request, the security
descriptive file including authorization information, an application descriptive file including information dependent upon
an entity file and information showing a stored location of the entity file, the entity file including software, the authorization
information indicating an allowable range of an operation of the software, the terminal unit executing the software within
a range shown by the authorization information;
obtaining, by the terminal unit, the application descriptive file from the communication system, the application descriptive
file being separate from the security descriptive file; and
obtaining, by the terminal unit, the entity file from the communication system by using the application descriptive file,
the entity file being separate from the application descriptive file and the security descriptive file,
wherein the security descriptive file, the application descriptive file and the entity file are obtained in an order of the
security descriptive file, the application descriptive file and the entity file.
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