Fujitsu Corporation

Nippon Hoso' Kyokai

Fumio Honda

Kazuaki Nimura

Yousuke Nakamura

Kouichi Yasaki

Isamu Yamada

Hironori Sakakihara

Eiji Hasegawa

Noboru Iwamatsu

Takahiro Kii

Hitoshi Matsumoto

Seiki Shibata

Arisa Fujii

Shuichi Matsumura

Kiyohiko Ishikawa

Hitomi Baba

Shunji Sunasaki

A communication control device configured to access an information processing apparatus in which data is stored. The device and method acquires an operational condition of an information processing apparatus, and notifies the information processing apparatus of a security command for causing the information processing apparatus to execute a security process on the data in an event that an operational condition is activated and, in an event that the operational condition is a standby mode, a hibernate mode, or a shutdown mode, notifies the information processing apparatus of an activation command for activating the information processing apparatus, and notifies of a security command for causing the information processing apparatus to execute a security process on the data.

Communication control device, data security system, communication control method, and computer product

An information processing device and method include storing encrypted content, storing a key for decrypting the encrypted content stored, decrypting the encrypted content stored using the key, storing a deletion table storing information indicating whether or not the key stored is to be deleted when a transition from an operating state to one of other states is made, the information corresponding to the other states, and checking the information in the deletion table corresponding to the one of the other states and deleting the key when the information indicates that the key is to be deleted.

Information processing device, content processing system, and computer readable medium having content processing program

An authentication system includes node devices, wherein a first node device transmits the authentication information thereof to a second node device, the second node device selects third node devices that are requested to verify the validity of the received authentication information, and transmits the authentication information to each of the selected third node devices, the third node device records verification information that is used to verify the validity of the authentication information of the first node device, verifies the validity of the authentication information on the basis of the authentication information and verification information, and transmits the result information to the second node device, and the second node device further derives weighted values indicating the reliability of the each verification of the third node devices and authenticates the first node device on the basis of the each result information and the each weighted value received from the third node devices.

Authentication system, authentication device and recording medium

An information processing apparatus and method configured to access multiple external storage medium. The apparatus and method detect theft or loss (or otherwise unauthorized use) of the information processing apparatus with respect to data stored in multiple storage areas, back up the data to the storage medium, and record, in association with each of the storage medium, an easiness degree indicating how easily a user accesses the storage medium. The apparatus and method calculate erasure priority rankings of the data stored in a manner that an erasure priority ranking is higher as an easiness degree is higher, record the calculated erasure priority rankings in association with each of the multiple storage areas, and erases the data stored in the multiple storage areas in accordance with the erasure priority rankings when detecting theft or loss of the information processing apparatus.

Information processing apparatus, information processing method and computer readable medium having a program

A terminal apparatus acquires setting information for controlling whether a storage area held by the non-volatile storage medium is to be used or not, from an external apparatus connected via a network, when the terminal apparatus is activated. The terminal apparatus updates area definition information defining the structure of storage areas in the non-volatile storage medium so that the storage area the use of which is restricted is in a state which cannot be recognized by the operating system, if the acquired setting information indicates that the use of the storage area is restricted. The terminal apparatus performs activation processing of the operating system after the update processing of the area definition information ends, if the acquired setting information indicates that the use of the storage area is restricted.

Terminal apparatus with restricted non-volatile storage medium

There are provided an information processing apparatus and a license distribution system including the information processing apparatus in which the reproduction or duplication of a content can be limited to the interior of a domain and a benefit based on the fact that an external device has participated in the domain can be made available at the time of reissuing a license. A reproducing devicetransmits a request for reissuing the license for permitting the reproduction of the content in the domain, and participation information (S). A serverreceives the request for reissuing the license and the participation information (S), and confirms validity of the transmitted participation information (S). When the validity of the participation information is confirmed, the serverdetermines information on a specific privilege related to the license, transmits the information to the external device (S), and reissues the license (S).

Information processing apparatus and license distribution system

An information processing apparatus has: a memory; CPU for executing a program written in the memory; a secure module; and storage means for storing a plurality of encrypted programs into which a program is divided. The CPU transmits the program stored in the storage means to the secure module. The secure modulehas: means for receiving the program stored in the storage means, means for returning the received program to an executable state; means for writing the program, which has been returned to the executable state, in the memoryin a sequence for CPU to execute, and means for deleting the program from the memoryby CPU after execution is completed. When executing the program, the information processing apparatus can make reverse analysis by a malicious third party difficult, and enhance security of a load module to be executed.

Information processing apparatus

A device comprises a look-up table translating unit, a region dividing unit and a reduced image generating unit to reduce the size of a color image using look-up tables and a reference look-up table. Each of the look-up and reference look-up tables has as many entries as there are the pixel values. The look-up table translating unit creates an entry check table. The entry check table is for translating the table entries of the look-up table into the those of the reference look-up table. The region dividing unit divides the original color image into a plurality of regions. The reduced image generating unit accesses the entry check table and the reference look-up table to selectively determine a representative pixel of the region based on the RGB values thereof to generate the reduced color images.

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Kawasaki, Japan

Fumio Honda