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    • 1. 发明专利
    • 情報転送システム
    • 信息传递系统
    • JP2014207604A
    • 2014-10-30
    • JP2013084797
    • 2013-04-15
    • 株式会社東海理化電機製作所Tokai Rika Co Ltdトヨタ自動車株式会社Toyota Motor Corp株式会社デンソーDenso Corp
    • KAWAI HIDEKIKIMURA ARINOBUATSUMI RYUTAAONO TAKAYUKI
    • H04Q9/00B60R25/24E05B49/00
    • 【課題】性能劣化を抑制しつつ車両情報を車両へ転送することが可能な情報転送システムを提供すること。【解決手段】情報転送システム1は、スマートフォン2によって車両情報を設定し、この車両情報を電子キー3を経由して車両4へ転送するシステムである。スマートフォン2で車両情報が設定された後、スマートフォン2と電子キー3が近接されると、両者間でNFC通信が確立される。このNFC通信を通じてスマートフォン2から電子キー3に車両情報が送信される。これにより、車両情報が電子キー3で取得される。NFC通信の途絶が電子キー3で検知されたことを契機に、車両情報が電子キー3から車両4へRF送信により自動的に転送される。NFC通信の途絶により両者の離れたことが示唆される。【選択図】図1
    • 要解决的问题:提供一种能够在抑制性能劣化的同时将车辆信息传送到车辆的信息传递系统。解决方案:信息传送系统1通过电子钥匙3将通过智能电话2设置的车辆信息传送到车辆4 当在智能电话2中设置车辆信息之后智能电话2和电子钥匙3彼此靠近时,在智能电话2和电子钥匙3之间建立NFC。智能电话2将车辆信息发送到 电子钥匙3通过NFC。 由此,电子钥匙3获取车辆信息。 在电子钥匙3检测到NFC的中断的定时,电子钥匙3通过使用RF发送自动地将车辆信息传送到车辆4。 NFC的中断表明智能电话2和电子钥匙3之间的分离。
    • 5. 发明专利
    • Electronic key registration system
    • 电子钥匙注册系统
    • JP2013155555A
    • 2013-08-15
    • JP2012018439
    • 2012-01-31
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • KAWAMURA DAISUKEKAWAI HIDEKIEGAWA TETSUYAIWASHITA AKITOSHINAGAE TOSHIHIROHAYASHI MASAKI
    • E05B49/00B60R25/04
    • H04L9/0822B60R25/24G07C9/00857H04L9/0866H04L9/0869H04L9/0897H04L2209/24H04L2209/84
    • PROBLEM TO BE SOLVED: To provide an electronic key registration system for enabling easy registration while maintaining security.SOLUTION: The electronic key registration system comprises: an initial manufacture step in which a vehicle ID is stored in an immobilizer ECU 6, a SEED code and a cryptographic key generated by a key generation logic f using the SEED code are stored in an electronic key 2 to be initially registered, and the vehicle ID stored in the immobilizer ECU 6 and the cryptographic key coordinated with the vehicle ID are stored in a database 9; and an initial registration step in which the vehicle ID stored in the immobilizer ECU 6 is written in the electronic key 2 to be initially registered, the SEED code stored in the electronic key 2 to be initially registered is picked out, the cryptographic key is generated from the SEED code by a key generation logic f and stored in the immobilizer ECU 6, and information relating to the cryptographic key stored in the immobilizer ECU 6 is coordinated with the vehicle ID and stored in the database 9.
    • 要解决的问题:提供一种电子钥匙登记系统,用于在保持安全性的同时易于注册。解决方案:电子钥匙登记系统包括:初始制造步骤,其中车辆ID存储在防盗装置ECU6中,SEED代码和 由密钥生成逻辑f使用SEED代码生成的加密密钥被存储在电子钥匙2中以被初始登记,存储在防盗装置ECU6中的车辆ID和与车辆ID协调的加密密钥存储在数据库中 9; 以及初始登记步骤,其中存储在防盗装置ECU6中的车辆ID被写入要初始登记的电子钥匙2中,选择存储在最初登记的电子钥匙2中的SEED代码,生成加密密钥 来自密钥生成逻辑f的SEED代码并存储在防盗装置ECU6中,并且存储在防盗装置ECU6中的与密码密钥有关的信息与车辆ID协调并存储在数据库9中。
    • 6. 发明专利
    • Electronic key registration system
    • 电子钥匙注册系统
    • JP2013157894A
    • 2013-08-15
    • JP2012018437
    • 2012-01-31
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • IWASHITA AKITOSHIKAWAI HIDEKIEGAWA TETSUYANAGAE TOSHIHIROKAWAMURA DAISUKE
    • H04L9/08B60R25/04E05B49/00E05B65/12H04Q9/00
    • PROBLEM TO BE SOLVED: To provide an electronic key registration system that facilitates registration while maintaining security.SOLUTION: The electronic key registration system employs: an initial manufacturing step of saving a vehicle ID in an immobilizer ECU 6, and saving in an electronic key 2 to be initially registered a first SEED code specific to the electronic key 2 used for generating an encryption key K, and such an encryption key K generated by first key generation logic f using the first SEED code; and an initial registration step of writing the vehicle ID saved in the immobilizer ECU 6 to the electronic key 2, extracting the first SEED code saved in the electronic key 2, saving the encryption key K generated from the first SEED code by the first key generation logic f, and saving in the electronic key 2 an intermediate SEED code generated from the generated encryption key K and the vehicle ID by an inverse operation of second key generation logic g to rewrite the first SEED code with the second SEED code.
    • 要解决的问题:提供一种在保持安全性的同时便于注册的电子密钥登记系统。解决方案:电子密钥登记系统采用:将停车ECU 6中的车辆ID保存起来的初始制造步骤,并且保存在电子钥匙2中 最初注册用于生成加密密钥K的电子密钥2专用的第一SEED代码,以及使用第一SEED代码由第一密钥生成逻辑f生成的加密密钥K; 以及初始登记步骤,将保存在防盗装置ECU6中的车辆ID写入电子钥匙2,提取保存在电子钥匙2中的第一SEED代码,将由第一SEED代码产生的加密密钥K保存在第一密钥生成器 逻辑f,并且通过第二密钥生成逻辑g的反向操作,将从所生成的加密密钥K和车辆ID生成的中间SEED代码保存在电子密钥2中,以用第二SEED代码重写第一SEED代码。
    • 7. 发明专利
    • System and method for registering secret key
    • 用于注册秘密钥匙的系统和方法
    • JP2010206383A
    • 2010-09-16
    • JP2009048081
    • 2009-03-02
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • KAWAMURA DAISUKEIWASHITA AKITOSHIKISHIMOTO KOHEINAWA YUKIMIZUNO YOSHIYUKIMIZUNO HIROMITSUKOGA SHINICHINISHIDA KOTAITO TOMOHIROKAWAI HIDEKI
    • H04L9/08B60R25/01B60R25/10B60R25/24E05B49/00
    • H04L9/0844H04L67/12H04L2209/80H04L2209/84H04W12/04H04W12/06
    • PROBLEM TO BE SOLVED: To provide a system and method for registering a secret key that prevent the occurrence of wiretapping of a secret key. SOLUTION: A first conversion equation F1(x) being one algorithm of a secret-key operation is provided in a writer 17. A second conversion equation F2(x) constituting the algorithm of the secret-key operation in cooperation with the first conversion equation F1(x) is provided in an electronic key 2. When the electronic key is manufactured, the writer 17 transmits a registration code Ccd to the electronic key 2 while the writer itself generates intermediate data Dck by executing an operation of the registration code Ccd with the first conversion equation F1(x) so as to transmit the intermediate data to the electronic key 2. The electronic key 2 executes an operation of the acquired intermediate data Dck with the second conversion equation F2(x) so as to register the intermediated data subjected to the operation as a secret key 16. The registration code Ccd is transmitted to a vehicle corresponding to the electronic key 2 via wireless communication so as to allow the vehicle to execute the similar operation and to register the operation results as the secret key 16. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于登记秘密密钥的系统和方法,该密钥防止秘密密钥的窃听发生。 解决方案:在写入器17中提供作为秘密密钥操作的一种算法的第一转换方程F1(x)。构成秘密密钥操作的算法的第二转换方程F2(x)与 第一转换方程F1(x)被提供在电子钥匙2中。当制造电子钥匙时,写入器17将注册代码Ccd发送到电子钥匙2,而写入器本身通过执行注册操作来生成中间数据Dck 使用第一转换方程式F1(x)的代码Ccd将中间数据发送到电子钥匙2.电子钥匙2以第二转换方程式F2(x)执行所获取的中间数据Dck的操作,以便登记 作为秘密密钥16进行了操作的中间数据。登记码Ccd经由无线通信被发送到与电子钥匙2对应的车辆,以允许车辆执行 相似的操作并将操作结果注册为秘密密钥16.版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Portable device registration system
    • 便携式设备注册系统
    • JP2013236318A
    • 2013-11-21
    • JP2012108546
    • 2012-05-10
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • NAGAE TOSHIHIROKAWAI HIDEKIEGAWA TETSUYAIWASHITA AKITOSHIKAWAMURA DAISUKEHAYASHI MASAKI
    • H04L9/08B60R25/01B60R25/04B60R25/10
    • PROBLEM TO BE SOLVED: To provide a portable device registration system having high security.SOLUTION: A portable device registration system registers, with an immobilizer ECU 6 of a vehicle 1, an electronic key 2 which shares an encryption key with the vehicle 1 and performs encryption communication using the encryption key. The immobilizer ECU 6 generates the encryption key by using a key generation logic from a SEED code included in an ID code signal transmitted from the electronic key 2, and registers the generated encryption key. Then, the immobilizer ECU 6 transmits a signal for requesting to activate the registered encryption key, to a control center 9. If the received encryption key is not registered with the control center 9, the control center 9 registers the encryption key and also transmits a signal that authorizes activation of the registered encryption key, to the immobilizer ECU 6. The immobilizer ECU 6 is authorized to perform encryption communication using the encryption key only after receiving the signal that authorizes the activation of the encryption key.
    • 要解决的问题:提供具有高安全性的便携式设备注册系统。解决方案:便携式设备注册系统与车辆1的防盗器ECU6一起登记与车辆1共享加密密钥并执行的电子钥匙2 使用加密密钥进行加密通信。 防盗装置ECU6通过使用从电子钥匙2发送的ID代码信号中包含的SEED码中的密钥生成逻辑生成加密密钥,并登记生成的加密密钥。 然后,防盗装置ECU6向控制中心9发送请求激活登录的加密密钥的信号。如果接收的加密密钥未向控制中心9登记,则控制中心9登记加密密钥,并且还发送 授权激活注册的加密密钥的信号发送给防盗装置ECU6。仅在接收到授权激活加密密钥的信号之后,才使用该加密密钥来执行防盗装置ECU 6执行加密通信。
    • 9. 发明专利
    • Portable device registration system
    • 便携式设备注册系统
    • JP2013157901A
    • 2013-08-15
    • JP2012018586
    • 2012-01-31
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • KAWAMURA DAISUKEKAWAI HIDEKIEGAWA TETSUYAIWASHITA AKITOSHINAGAE TOSHIHIRO
    • H04L9/08B60R25/01B60R25/04B60R25/10E05B49/00E05B65/12H04B1/59
    • PROBLEM TO BE SOLVED: To provide a portable device registration system which ensures high security after shipping.SOLUTION: The portable device registration system shares an encryption key with a vehicle 1, and registers an electronic key 2 required for encryption communication using the encryption key in the immobilizer ECU 6 of the vehicle 1. The immobilizer ECU 6 generates an encryption key from an SEED code included in an ID code signal transmitted from the electronic key 2 by using a key generation logic, and registers the encryption key. The electronic key 2 includes a counter for counting the number of transmission times of the ID code signal. The electronic key 2 is inspected whether or not the ID can be collated between the immobilizer ECU 6 before shipping. The electronic key 2 transmits the ID code signal a specified number of times for inspection. When the count reaches a number of times of delete which is set to a specified number of times, the electronic key 2 deletes the SEED code.
    • 要解决的问题:提供一种确保运输后高安全性的便携式设备注册系统。解决方案:便携式设备注册系统与车辆1共享加密密钥,并且使用加密密钥注册加密通信所需的电子密钥2 防盗装置ECU6通过使用密钥生成逻辑从包含在从电子钥匙2发送的ID码信号中的SEED码产生加密密钥,并登记加密密钥。 电子钥匙2包括用于对ID码信号的发送次数进行计数的计数器。 检查电子钥匙2是否可以在出货之前在防盗器ECU6之间整理ID。 电子钥匙2将ID码信号发送指定次数进行检查。 当计数达到设定为指定次数的删除次数时,电子钥匙2删除SEED代码。
    • 10. 发明专利
    • Electronic key registration system
    • 电子钥匙注册系统
    • JP2013157893A
    • 2013-08-15
    • JP2012018436
    • 2012-01-31
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • IWASHITA AKITOSHIKAWAI HIDEKIEGAWA TETSUYAHAYASHI MASAKINAGAE TOSHIHIROKAWAMURA DAISUKE
    • H04L9/08B60R25/01B60R25/04E05B49/00E05B65/12
    • H04L9/0861B60R25/24G06F21/44G07C9/00857H04L9/0816H04L9/0866H04L9/0869H04L9/0897H04L9/3271H04L2209/84
    • PROBLEM TO BE SOLVED: To provide an electronic key registration system that facilitates registration while maintaining security.SOLUTION: The electronic key registration system registers in an immobilizer ECU 6 on a vehicle an electronic key 2 used in an electronic key system for permitting control of the vehicle on the basis of successful authentication between the electronic key 2 and the vehicle. The electronic key registration system employs: an additional key manufacturing step of saving in an electronic key 2 to be additionally registered a SEED code specific to the electronic key 2 used for generating an encryption key K used for authentication, and such an encryption key K generated by second key generation logic g using the SEED code and a vehicle ID; and an additional key registration step of, on condition that a vehicle ID saved in the immobilizer ECU 6 has been registered in the electronic key 2, extracting the SEED code saved in the electronic key 2, and saving in the immobilizer ECU 6 the encryption key K generated from the SEED code and the vehicle ID by the second key generation logic g.
    • 要解决的问题:提供一种便于注册的电子密钥登记系统,同时保持安全性。解决方案:电子钥匙登记系统将车辆上的防盗装置ECU6登记在电子钥匙系统中使用的电子钥匙2,用于允许控制 基于电子钥匙2和车辆之间的成功认证。 电子密钥注册系统采用:附加密钥制造步骤,其保存电子密钥2以额外登记用于生成用于认证的加密密钥K的电子密钥2专用的SEED代码,并且生成加密密钥K 通过使用SEED代码和车辆ID的第二密钥生成逻辑g; 以及附加密钥登记步骤,在保存在防盗装置ECU6中的车辆ID已登记在电子钥匙2中的情况下,提取保存在电子钥匙2中的SEED码,并且在防盗装置ECU6中保存加密密钥 K由第二密钥生成逻辑g从SEED代码和车辆ID生成。