Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Intellectual Property Corporation of America

Kazuya Fujimura

Shinji Inoue

Makoto Ochi

Yutaka Kobayashi

Takuji Maeda

Osamu Uchida

Hirokazu So

Masato Suto

Yukiko Inoue

Makoto Fujiwara

Masafumi Sato

Yuishi Torisaki

Masato Tanabe

Yusuke Nemoto

Hiroyuki Kamezawa

Tomoo Nakagawa

Tomoya Satou

Kentarou Shiomi

Toshihisa Nakano

Jun Anzai

Yoshinori Matsui

Toshiya Takahashi

Tohru Wakabayashi

Naohiko Noguchi

Toshihisa Abe

Mitsuhiro Sato

Souichirou Fujioka

Kouji Kobayashi

Shinichi Matsui

Takashi Shimojima

Tetsuyuki Nakayasu

Kazuya Shimizu

Norio Nakamura

Kazuya Shimzu

Kiichi Hasegawa

Takashi Matsushita-Denki Ota-Ryo 715 Shimojima

Naohiko Shuuwa-Okurayama Residence 601 Noguchi

Shinichi Furuniru-Okamoto 302 Matsui

An information processing device collects information used for analyzing communication performed in an in-vehicle network by ECUs including an ECU which performs predetermined control related to a function of an ADAS. The information processing device includes a receiver, a determiner, and a processor. The receiver receives a plurality of items of communication data sequentially transmitted over the in-vehicle network. The determiner detects a control end time which is a time at which the predetermined control ends, and determine an analysis target period including the control end time. The processor classifies the plurality of items of communication data received by the receiver into analysis target communication data received within the analysis target period and non-analysis target communication data received outside the analysis target period. The processor further performs predetermined processing for analysis of the analysis target communication data based on the classification result.

Information processing device, information processing method, and recording medium

A fraud detection electronic control unit is connected to an electronic control unit through an in-vehicle network system. The fraud detection electronic control unit includes a storage and a determination unit. The storage stores a first regulation for determining whether the frame transmitted from the electronic control unit is fraudulent. The determination unit determines whether the frame transmitted from the electronic control unit is fraudulent in pursuant to the first regulation. When a predetermined condition is satisfied, the storage acquires a second regulation retained by the electronic control unit and updates the stored first regulation.

Fraud detection electronic control unit, electronic control unit, and non-transitory recording medium in which computer program is described

There is provided an electronic device capable of safely obtaining password information even when a password of an external storage device of any type is forgotten. An electronic deviceincludes an external memory card connection unitconnecting a memory cardcapable of being locked by a card password, a password retention unitretaining the password information including the card password, a device password retention unitretaining a device password of the electronic device, an input unitfor inputting data, a device setting cancellation unitdetermining whether or not the device password inputted by the input unitand the device password retained in the device password retention unitmatch with each other, and a control unitoutputting the password information or changing the card password of the external storage device set in the external storage device when the device passwords match with each other as a result of the determination.

Electronic device, password control method, and program

A data recording systemincludes: a file generating partfor dividing digital data so as to generate a plurality of data files and recording the plurality of the data files sequentially into a recording medium; a management file judging partfor determining one management file for recording management information of the plurality of the data files; and a management information generating partfor recording the management information of the plurality of the data files into the determined management file. The management file judging partdetermines the management file such that the number of the data files managed by the management file does not exceed a maximum data file number L (L is a natural number) that can be managed by the management file. Thereby, it is possible to record the plurality of the data files that are divided from the digital stream data and are recorded, such that the management of the plurality of the data files is easy.

Data recording system, data recording method and data recording program

There is provided an electronic device capable of automatically unlocking a lock of an external storage device using a password without adding a function to the external storage device. An electronic deviceincludes a memory card connection unitconnecting a memory cardcapable of being locked using the password, a password retention unitretaining the password of the memory card, a lock state determination unitdetermining whether or not the memory cardconnected to the memory card connection unitis in a locked state, and a setting cancellation unittransmitting an unlocking signal for unlocking the locked state of the memory cardon the basis of the password when it is determined that the memory cardis in the locked state.

Electronic device, unlocking method, and program

An electronic device that can automatically unlock an external storage device with a password without adding a function to the external storage device is provided. An electronic deviceB has memory card connection meansfor connecting a memory cardthat can be locked with a password, password holding meansfor holding card unique ID and a password, card unique ID acquisition meansfor acquiring connection identification information indicating the card unique ID of the memory cardconnected to the memory card connection means, and password deletion meansfor deleting connection identification information and the password corresponding to the connection identification information stored in the password holding meansif the connection identification information is contained in the password holding means

Electronic device, password deletion method, and program

An input-mode determination unit determines an input mode to be a graphic mode in the case where the number of sets of coordinates included in a coordinate sequence stored in the coordinate-sequence storage unit is smaller than a predetermined number and points represented by the coordinates are within a predetermined distance range, and otherwise, determines the input mode to be a curve mode. A line-to-draw sequence generation unit generates a line-to-draw sequence according to the input mode which the input-mode determination unit has determined to be.

Input device and input method

A recording medium () for storing content that can be read and written by a host device stores a content key (a key that is used for encrypting content) () encrypted in a first format, and a content key () that is encrypted in a second format for content that is the same as the content related to the content key () encrypted in the first format. The first format is, for example, a format used for distributed content, and the second format is a format used with local content.

Recording medium, and device and method for recording information on recording medium

In a target apparatus which stores at least one piece of domain key information in a first area and a plurality of pieces of content key information each associated with any one of the domain key information in a second area, a method for generating data for detecting tampering of the content key information. The method comprises the steps of encrypting the content key information associated with one of the domain key information using a chain encryption technique, extracting data at predetermined positions in the encrypted content key information, concatenating the pieces of data extracted at the predetermined positions in the encrypted content key information to obtain concatenated data, performing a hash calculation with respect to the concatenated data to obtain a hash value, storing check values corresponding to the data at the predetermined positions in plain text, in the target apparatus, and storing the hash value in the target apparatus.

Method for generating data for detection of tampering, and method and apparatus for detection of tampering

A recording medium stores contents and contents keys to be used for encrypting the contents, in a plurality of storage formats. The storage formats include a storage format (a first format) for delivered contents acquired through a network, and a storage format (a second format) for local contents acquired by a method other than the delivery. The intrinsic storage formats of the contents to be stored in the recording medium are determined according to the kinds of the contents. The recording medium stores not only the contents and the contents keys but also original storage format information (an import flag) () which is information indicating the intrinsic storage formats of the contents. With reference to the original storage format information, a reproduction device selects a reproduction method in accordance with the intrinsic storage formats of the contents.

Recording medium, and information processing device and information processing method for the recording medium

A method for performing a high-speed search for a content key associated with encrypted content for a key-separation-type content management method where content keys and pieces of encrypted content are correlated by ID information and stored in different recording media. An external recording medium stores content files including: pieces of encrypted content that are encrypted with different encryption keys; and content IDs, each associated with a corresponding piece of encryption content, and a semiconductor recording medium stores a list including: encryption key storage location information, each indicating where a corresponding encryption key is stored; and content IDs, the list sorted in accordance with the content IDs. When encrypted content is played back, the list is searched to find encryption key storage location information associated with content ID that matches the content ID of the encrypted content, and the encryption key is read based on the encryption key storage location information.

Data storing method, data playback method, data recording device, data playback device, and recording medium

A semiconductor memory card () has a plurality of areas () based on different file systems. An adapter () includes: an area switching part () which a user can operates, a determination part () for determining the operation; and a card controller () for issuing a switching command for switching the area to be used for the semiconductor memory card () in accordance with the judgment result. When the switching command is issued in response to input from the area switching part (), the command is interpreted by an area selector () of the semiconductor memory card () so as to select an area.

Recording medium access device and recording medium access method

A recording apparatus is provided for an SD memory card that has a plurality of EPUBxxx.KEY files recorded thereon, each file having a plurality of Key&Rule Entry areas, and an SD_EPUB.MMG file being read from the recording medium prior to the writing of data. A bitmap in SD_EPUB.MMG shows for each EPUBxxx.KEY file whether the EPUBxxx.KEY file has at least one Key&Rule Entry area not in use, or whether all the Key&Rule Entry areas are in use. Based on the bitmap in the read SD_EPUB.MMG file, the recording apparatus opens EPUB#u.KEY having an unused Key&Rule Entry area and writes data into the unused Key&Rule Entry area in the file. If all the Key&Rule Entry areas in EPUB#u.KEY become in use as a result of the writing of the data, the recording apparatus updates the bitmap in SD_EPUB.MMG.

Recording apparatus, medium, method, and related computer program

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Nara, Japan

Kazuya Fujimura