JP5880898B2 - 送信装置 - Google Patents
送信装置 Download PDFInfo
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- JP5880898B2 JP5880898B2 JP2014097217A JP2014097217A JP5880898B2 JP 5880898 B2 JP5880898 B2 JP 5880898B2 JP 2014097217 A JP2014097217 A JP 2014097217A JP 2014097217 A JP2014097217 A JP 2014097217A JP 5880898 B2 JP5880898 B2 JP 5880898B2
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3242—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
Description
Claims (2)
- ブロードキャスト送信すべきデータを生成する第1生成部と、
前記第1生成部において生成したデータを少なくとも対象としたメッセージ認証コードを生成すべきか否か判定するメッセージ認証コード生成タイミング決定部と、
前記メッセージ認証コード生成タイミング決定部の判定結果に応じて、前記メッセージ認証コードを生成する第2生成部と、
前記第1生成部において生成したデータおよび前記第2生成部において生成したメッセージ認証コードのうち少なくともいずれか一方をブロードキャスト送信する送信部と、
を備え、
前記メッセージ認証コード生成タイミング決定部は、前記送信部が前回送信したデータを保持し、前記保持したデータと前記第1生成部において生成された今回送信されるデータとを比較し、前記第1生成部において生成したデータが変化した場合、前記第2生成部にメッセージ認証コードを生成させ、それ以外の場合にメッセージ認証コードの生成を省略することを特徴とする送信装置。 - ブロードキャスト送信すべきデータを生成する第1生成部と、
前記第1生成部において生成したデータを少なくとも対象としたメッセージ認証コードを生成すべきか否か判定するメッセージ認証コード生成タイミング決定部と、
前記メッセージ認証コード生成タイミング決定部の判定結果に応じて、前記メッセージ認証コードを生成する第2生成部と、
前記第1生成部において生成したデータおよび前記第2生成部において生成したメッセージ認証コードのうち少なくともいずれか一方をブロードキャスト送信する送信部と、
を備え、
前記メッセージ認証コード生成タイミング決定部は、前記第1生成部において生成されメッセージ認証コードを生成する対象となったデータであって前記送信部が前回送信したデータを保持し、前記保持したデータに対する前記第1生成部において生成された今回送信されるデータの変化量が閾値を超える場合、前記第2生成部にメッセージ認証コードを生成させ、それ以外の場合にメッセージ認証コードの生成を省略することを特徴とする送信装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014097217A JP5880898B2 (ja) | 2014-05-08 | 2014-05-08 | 送信装置 |
PCT/JP2015/002219 WO2015170457A1 (ja) | 2014-05-08 | 2015-04-24 | 送信装置、受信装置、送信方法、及び受信方法 |
EP15789228.2A EP3142290A4 (en) | 2014-05-08 | 2015-04-24 | Transmission device, reception device, transmission method, and reception method |
US15/306,490 US20170048241A1 (en) | 2014-05-08 | 2015-04-24 | Transmission device, reception device, transmission method, and reception method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014097217A JP5880898B2 (ja) | 2014-05-08 | 2014-05-08 | 送信装置 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015184191A Division JP6447974B2 (ja) | 2015-09-17 | 2015-09-17 | 送信方法 |
JP2016007641A Division JP6108251B2 (ja) | 2016-01-19 | 2016-01-19 | 受信装置、及び受信方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015216469A JP2015216469A (ja) | 2015-12-03 |
JP5880898B2 true JP5880898B2 (ja) | 2016-03-09 |
Family
ID=54392317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014097217A Expired - Fee Related JP5880898B2 (ja) | 2014-05-08 | 2014-05-08 | 送信装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170048241A1 (ja) |
EP (1) | EP3142290A4 (ja) |
JP (1) | JP5880898B2 (ja) |
WO (1) | WO2015170457A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6488702B2 (ja) * | 2014-12-27 | 2019-03-27 | 富士通株式会社 | 通信制御装置、通信制御方法、および、通信制御プログラム |
JP6847101B2 (ja) * | 2016-12-06 | 2021-03-24 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 情報処理方法、情報処理システム、及びプログラム |
US10991180B2 (en) | 2017-04-21 | 2021-04-27 | Engrenage Provincial Inc. | Controller area network (CAN) message scanner for a winter service vehicle, and method of scanning a CAN message |
US20180305879A1 (en) * | 2017-04-21 | 2018-10-25 | Engrenage Provincial Inc. | Winter service vehicle and methods for determining a spreading rate for spreading de-icing material on roads |
JP7119537B2 (ja) * | 2018-04-24 | 2022-08-17 | 日本電信電話株式会社 | 検知システムおよび検知方法 |
US11526605B2 (en) | 2018-04-27 | 2022-12-13 | Nec Corporation | Extraction device, extraction method, recording medium, and detection device |
WO2020054578A1 (ja) * | 2018-09-14 | 2020-03-19 | 日本電気株式会社 | 送信装置、受信装置、通信システム、通信方法、及びデータ処理方法 |
JP7279439B2 (ja) * | 2019-03-20 | 2023-05-23 | 株式会社リコー | ネットワーク機器、ログ記録方法、およびプログラム |
JP7046869B2 (ja) * | 2019-06-12 | 2022-04-04 | 矢崎総業株式会社 | 占有率算出装置及び占有率算出方法 |
CN113132092B (zh) * | 2019-12-31 | 2022-04-22 | 华为技术有限公司 | 通信方法和电子设备 |
JP2021158454A (ja) | 2020-03-25 | 2021-10-07 | トヨタ自動車株式会社 | 車両制御システム、データ送信方法及びプログラム |
JP7107358B2 (ja) * | 2020-12-25 | 2022-07-27 | トヨタ自動車株式会社 | 制御装置、マネージャ、システム、制御方法及び車両 |
JP7107359B2 (ja) * | 2020-12-25 | 2022-07-27 | トヨタ自動車株式会社 | 制御装置、マネージャ、システム、制御方法及び車両 |
JP7320546B2 (ja) * | 2021-03-19 | 2023-08-03 | 本田技研工業株式会社 | プログラム更新制御装置、プログラム更新制御方法、及びプログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3661946B2 (ja) * | 2002-09-04 | 2005-06-22 | 三菱電機株式会社 | コントローラエリアネットワーク通信装置 |
EP1864427B1 (en) * | 2005-03-17 | 2018-08-01 | Electronics and Telecommunications Research Institute | Method for negotiating security-related functions of subscriber station in wireless portable internet system |
JP5101965B2 (ja) * | 2007-09-25 | 2012-12-19 | 京セラ株式会社 | 受信装置 |
JP2013048374A (ja) * | 2011-08-29 | 2013-03-07 | Toyota Motor Corp | 保護通信方法 |
JP5770602B2 (ja) * | 2011-10-31 | 2015-08-26 | トヨタ自動車株式会社 | 通信システムにおけるメッセージ認証方法および通信システム |
US8732470B2 (en) * | 2012-07-26 | 2014-05-20 | Kabushiki Kaisha Toshiba | Storage system in which fictitious information is prevented |
-
2014
- 2014-05-08 JP JP2014097217A patent/JP5880898B2/ja not_active Expired - Fee Related
-
2015
- 2015-04-24 US US15/306,490 patent/US20170048241A1/en not_active Abandoned
- 2015-04-24 WO PCT/JP2015/002219 patent/WO2015170457A1/ja active Application Filing
- 2015-04-24 EP EP15789228.2A patent/EP3142290A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20170048241A1 (en) | 2017-02-16 |
WO2015170457A1 (ja) | 2015-11-12 |
EP3142290A1 (en) | 2017-03-15 |
JP2015216469A (ja) | 2015-12-03 |
EP3142290A4 (en) | 2017-08-23 |
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