Sony Corporation

Felica Networks, Inc.

Sony Group Corporation

Toshiharu Takemura

Taro Kurita

Tadashi Morita

Fumio Kubono

Yasumasa Nakatsugawa

Daisuke Shiigi

Mitsuhiro Nakamura

Takashi Matsuo

Masahiro Sueyoshi

Akihiko Yamagata

Masachika Sasaki

Toyokazu Ota

Tsutomu Nakatsuru

Kazuyuki Sakamoto

Katsuya Shimoji

Yuhu Wang

Hiroaki Hamada

Mitsugi Iwahashi

Takuya Ichikawa

Tatsuhiko Kanno

A mobile terminal includes a near-field communication device capable of performing near-field wireless communication with an external device, and a controller configured to instruct the external device or the near-field communication device to execute a command. The near-field communication device has a storage unit, a first mutual authentication unit for authenticating the controller and for requesting the controller to authenticate the near-field communication device, a first communication key setting unit for setting a first communication key, a second mutual authentication unit for authenticating the external device and for requesting the external device to authenticate the near-field communication device, and a second communication key setting unit for setting a second communication key. The controller and the near-field communication device perform secure communication using the first communication key, and the near-field communication device and the external device perform secure communication using the second communication key.

Mobile terminal, data communication method, and computer program

An IC card compatible with a DES scheme and an AES scheme having a security strength different from that of the DES scheme, includes an inhibition information receiving section for receiving inhibition information for inhibiting predetermined manipulation from being performed in a storage region of the IC card using the DES scheme from an issuing device using the AES scheme, an inhibition flag setting section for performing inhibition processing for inhibiting the predetermined manipulation by the inhibition information, a manipulation request receiving section for receiving a manipulation request from a service providing device or the issuing device, and a manipulation executing section for executing the requested manipulation if the requested manipulation does not correspond to the predetermined manipulation inhibited by the inhibition information.

Information processing device, information processing method, and program

An information processing device and information processing method including a management table that includes three pages. A pair of first and second pages is alternately used as a valid page and an invalid page to secure the data. The valid page is copied to a third page. Even when the power is shut off in the process of updating the page, at the next start time, the status of the data writing operation when the power is shut off is determined based on the validity and stability of the pages. Therefore, the data is restored without any corruption of valid page by using a proper restoring method.

Information processing device and information processing method for data recovery after failure

An information processing apparatus includes: a storage block configured to store a first region as part of a layer structure; an execution block which, in response to a designation command transmitted by a communication apparatus to designate the creation of a second region as a lower layer of the first region, performs a region creation process for creating the second region as the lower layer of the first region; and a transmission block which, if the region creation process is stopped, then transmits first information indicating whether or not the second region is already created to the communication apparatus, in response to a request from the communication apparatus.

Information processing apparatus, communication apparatus, and program

There is provided an information processing system having a reader/writer and an information processing apparatus. The reader/writer include a processing section for executing service processing, a processing completion determining section for determining completion of the processing, a control information generating section for generating control information, depending on the determination result and a control information transmitting section for transmitting the control information, and the information processing apparatus includes an internal memory having an access control area, an in-chip communication section for receiving the control information, an internal memory managing section for storing the received control information in the internal memory, a control information obtaining section for obtaining the control information from the internal memory and an access control managing section for setting the access control for the access control area based on the control information.

Information processing system, reader/writer, information processing apparatus, access control management method and program

A semiconductor integrated circuit device for use in a data communication apparatus includes setting means for setting, for each of a plurality of files that the semiconductor integrated circuit device manages, a flag indicating whether definition information functioning as information on each of the plurality of files is browsable or not browsable; and response sending means for sending, when provision of the definition information on a file is externally requested, a response falsely indicating that the semiconductor integrated circuit device is not managing the file existing in the plurality of files according to the flag set for the file indicating that the definition information on the file is not browsable.

Contactless IC chip, portable terminal, information processing method, and program

A value information transfer system transfers value information held by a transfer source communication device, which is connected via a network to a transfer management server, to a transfer destination communication device. The transfer source communication device includes a transfer request acceptor for accepting a transfer request for transfer of the value information held by the transfer source communication device to the transfer destination communication device, a transfer request information transmitter for transmitting the request as transfer request information to the transfer management server, and a command executor for executing a command generated by the transfer management server. The transfer management server includes a command generator for generating at least one command and a command transmitter. The transfer destination communication device includes a command receiver for receiving the command using wireless communication and a value information increasing unit for increasing the value information held by the transfer destination communication device.

Value information transfer system and value information transfer method

There is provided a communication apparatus including a non-contact communication unit for performing a non-contact communication with a reader/writer; a storage unit for storing data for every logic system corresponding to at least one encryption method, and retransmission interval information of each communication command transmitted from the reader/writer for every encryption method; and a selection unit for selecting the retransmission interval information of each communication command in the encryption method to which the logic system specified by the reader/writer corresponds from the storage unit. The retransmission interval information selected by the selection unit is transmitted from the non-contact communication unit to the reader/writer.

Communication apparatus, reader/writer, communication system, and communication method

An information processing apparatus includes a storage section that stores, for a management entity for which a memory area is to be formed, an authentication key and an encryption key. The information processing apparatus also includes a communication section that transmits an identifier of the authentication key, an identifier of the encryption key, and an areakey. The communication section receives, upon an authentication based on the authentication key and the areakey, data encrypted by the encryption key. The data indicates a size of the memory area. The areakey is stored in an area. The information processing apparatus further includes a forming section that forms the memory area starting from the area, based on the size of the memory area.

Information processing apparatus, information processing method, and program

A data storage device comprises a memory that includes a plurality of physically partitioned memory areas with a rewrite buffer area to be used for data rewrite set within each of the partitioned memory areas and a memory management unit that updates data recorded in each partitioned memory area by utilizing the corresponding rewrite buffer area is set within the partitioned memory area.

Data storage device, memory management method and program for updating data recorded in each of a plurality of physically partitioned memory areas

A plurality of services are defined for one service memory field (overlap service), and a plurality of access methods, such as 'only read' and 'read/write', are set in the service memory field. When an overlap service is defined, a PIN code may be set to each service. For example, when two services &#x201c;read&#x201d; and &#x201c;read/write&#x201d; can be started corresponding to a service memory field, two PIN codes are set.

Data communication apparatus and method for managing memory in the same

A pass-code identification device includes a communication unit for communicating with an external apparatus, a data-holding unit for holding data, a pass-code-holding unit for holding a pass-code, a pass-code comparison unit for comparing an input pass-code received through the communication unit with the pass-code held by the pass-code holding unit, and a flow control unit for controlling a result of comparison of the pass-codes in accordance with a condition for comparing the pass-codes. The condition determines whether or not it is necessary to judge pass-codes. The condition also determines whether or not a pass-code is required to change a pass-code from valid status to invalid status and vice versa.

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Tokyo, Japan

Toshiharu Takemura