| US 7,461,269 B2 | ||
| Information recording apparatus, information recording method, and digital broadcast receiver | ||
| Masahiro Yamada, Nishitama-gun (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on Sep. 23, 2004, as Appl. No. 10/947,554. | ||
| Claims priority of application No. 2003-340696 (JP), filed on Sep. 30, 2003. | ||
| Prior Publication US 2005/0071661 A1, Mar. 31, 2005 | ||
| Int. Cl. H04K 1/00 (2006.01) | ||
| U.S. Cl. 713—193 [726/32; 386/94] | 5 Claims |
| 1. An information recording apparatus for recording information in one or more storage devices for storing information, the
apparatus comprising:
a key storage unit configured to store a storage device key for encoding relating each of the one or more storage devices;
a first generator unit configured to generate a storage device key which corresponds to a storage device specified in the
one or more storage devices and store the device key in the key storage unit in the case where a content storing command has
been input;
a second generator unit configured to generate a title key which corresponds to input content;
a first encoder unit configured to encode the title key by using the generated storage device key and store the encoded title
key;
a second encoder unit configured to encode the input content by using the title key and store the encoded content in the specified
storage device;
a generator unit configured to generate a folder for storing the input content in the specific storage device and generate
a folder key which corresponds to the folder;
a third encoder unit configured to encode the folder key by using the generated storage device key and store the encoded folder
key;
a fourth encoder unit configured to encode the title key by using the folder key and store the encoded title key; and
a storing unit configured to store the encoded content in the generated folder.
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