Fujitsu Corporation

Fujitsu Toshiba Mobile Communications Limited

Fujitsu Mobile Communications Limited

Yasuhiko Abe

Takayuki Hasebe

Jun Yajima

Kenta Usui

Naoki Suzuki

Takafumi Nakamura

Masahiko Nagumo

Munehisa Tomioka

Akira Imai

Shinichi Shishino

Daizo Ichien

Jiro Okayasu

Masataka Kato

An onboard system comprising, a plurality of electronic control units (ECUs) coupled together via a network and including a first ECU and a second ECU, the first ECU including a first memory and a first processor coupled to the first memory, the second ECU including a second memory and a second processor coupled to the second memory, wherein, the first memory and the second memory configured to store a list recording a combination of identification information of software of the plurality of ECUs, the first processor is configured to: compare identification information of the list stored in the first memory against identification information of the list stored in the second memory and identify a list which is newer in the lists, and determine whether or not a combination of software of the plurality of ECUs is aligned based on a combination of the software identification information.

Onboard system and ECU

An encryption key distribution system includes: a key distribution ECU that transmits an encryption key; and a key reception ECU that receives the encryption key, the key distribution ECU: transmits the encryption key to the key reception ECU; and determines completion of transmission of the encryption key, based on a result of determination as to whether first verification data transmitted from the key reception ECU matches second verification data of the encryption key which is calculated from a common key stored in the key distribution ECU and an identifier of the key reception ECU, the key reception ECU: records the received encryption key in the key reception ECU; calculates the first verification data from the same common key as the common key stored in the key reception ECU and the identifier of the key reception ECU; and transmits the calculated first verification data to the key distribution ECU.

Encryption key distribution system, key distribution ECU and key reception ECU

An attack detection device includes: a receiver configured to receive messages that are periodically transmitted from a communication device in a network; and a processor. The processor predicts a number of messages to be received by the receiver in a specified monitor range based on a transmission cycle of the messages so as to generate a predicted value. The processor counts a number of messages received by the receiver in the specified monitor range so as to generate a count value. The processor detects an attack in the network according to a result of a comparison between the predicted value and the count value.

Device and method for detecting attack in network

A disclosed program verification method includes: reading out, from a first storage unit, a first value that was calculated before shutdown of the computer for each part of a first program at start of the computer; and determining whether the first program is valid based on the read out first value for each part of the first program and a second value that was calculated for each part of a second program that is valid and is stored in a second storage unit.

Method and apparatus for program verification

A vehicle system includes a plurality of electronic control devices respectively includes a first processor configured to control each unit of a vehicle; and a management electronic control device that includes a second processor configured to manage the plurality of electronic control devices, wherein when an encryption key used to verify a message is updated to another encryption key, the second processor transmits a first message that includes a controller area network identifier (CAN-ID) that identifies the message and a second message that includes the another encryption key to a network, and when the CAN-ID of the message included in the first message is a CAN-ID to be processed, the first processor updates the encryption key used to verify the message to the another encryption key included in the second message.

Vehicle system and key distribution method

A disclosed implementation unit includes: an implementation unit counter that is synchronized with a verification apparatus counter provided in a verification apparatus; and a processing part configured to transmit an encryption signal to the verification apparatus at two or more different timings while a counter value of the implementation unit counter is a certain value, the encryption signal representing an implementation unit ID encrypted based on the counter value of the implementation unit counter.

Implementation unit, implementation unit verification method, and computer-readable recording medium

A communication relay device that is situated between a corresponding communication node and a bus in a communication network in which a plurality of communication nodes mutually perform a data communication through the bus. A storage configured to store therein pieces of identification information that are likely to be included in data transmitted by the corresponding communication node. A processor configured to perform first authentication processing between the communication relay device and a management device that is connected to the bus, and to perform second authentication processing according to a result of comparing identification information included in data transmitted by the corresponding communication node with the pieces of identification information stored in the storage. A transceiver configured to report, to the management device, a result of the second authentication processing when the first authentication processing has been successful.

Communication relay device, communication network, and communication relay method

In a cellular phone applicable to an information processing apparatus according to the present invention, a CPU of a main control unit executes monitor threadsto, monitors groups including a plurality of threads set with priority by executing a keep-alive operation to a plurality of monitor threads that monitor operations of threads in the groups, determines whether there is a monitor thread without a response to the keep-alive operation based on responses from the plurality of monitor threads, and terminates delivery of events to the groups with priority higher than the group monitored by the monitor thread without a response to the keep-alive operation if it is determined that there is a monitor thread without a response to the keep-alive operation.

Information processing apparatus for monitoring event delivery from plurality of monitoring threads

An information processing device, such as cellular phone, includes a first timer set for executing count processing applied to a preassigned first processing, a second timer set for executing count processing applied to the preassigned first processing, a display state determination unit configured to determine a display state of a display unit, and a timer switching unit configured to select and set the first timer for the preassigned first processing at a time when the display state determination unit determines that the display unit is in an 'ON' state and to select and set the second timer for the preassigned first processing at a time when the display state determination unit determines that the display unit is in an 'OFF' state.

Information processing device capable of performing a timer control operation

An information processing apparatus includes: a first casing; a second casing; a detecting portion that detects whether the first and the second casings are in a closed state or in a turnover open state; a volatile storage medium that stores a first number and a second number indicating the number of times of the closed state and the turnover open state respectively; and an accumulating portion that controls a nonvolatile storage medium to store the first number and the second number updated when the first number is dividable by a first predetermined number or when the second number is dividable by a second predetermined number.

Information processing apparatus

According an aspect of the invention, a mobile terminal includes a task executing unit configured to execute a plurality of task groups and a management unit configured to manage to execute in a first order the task groups. If the task executing unit executes a first task group in foreground and if the management unit receives a first request executing a second task group different from the first task group, the management unit manages the first and the second task groups as one chain and executes the second task group in foreground. If the task executing unit executes the first task group in foreground and if the management unit receives a second request executing a third task group different from the first and second task groups, the management unit manages the first and third task groups as other chain and executes the third task group in foreground.

Portable terminal varying management of task group in time based on received execution request of task group and weak task group

An information processing apparatus includes a first control unit configured to judge whether or not the information processing apparatus is in a state where a remote lock operation is impossible; an input unit configured to accept input of authentication information in case that the first control unit judges that the information processing apparatus is in a state where the remote lock operation is impossible; an authenticate unit configured to authenticate whether or not the input-accepted authentication information is coincident with previously stored authentication information; and a second control unit configured to prohibit a transmission/reception of data between the information processing apparatus and an information read device disposed adjacent to the information processing apparatus.

Mobile terminal with a short-range communication unit

The present invention is capable of preferably performing the establishment of a session using a predetermined protocol. In a mobile phone device applicable to an information processing apparatus according to an embodiment of the present invention, the CPU of a main control unit executes NAI middleware, performs connection using a predetermined protocol via a system layer, acquires a connection request or a disconnection request from an individual application program, and controls, on the basis of the acquired connection request or disconnection request, the connection using the predetermined protocol performed by a connection unit.

Growing community of inventors

Niiza, Japan

Yasuhiko Abe