公开(公告)号：US20180096169A1

公开(公告)日：2018-04-05

申请号：US15809626

申请日：2017-11-10

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Daisuke OSHIDA

IPC: G06F21/72 ,  G06F21/10 ,  G11B20/00

CPC classification number: G06F21/72 ,  G06F21/10 ,  G11B20/00086

Abstract: To raise confidentiality of the value stored in the ROM, in an IC having a built-in or an externally-attached ROM storing a value (program and/or data) encrypted using a predetermined cryptographic key. The IC includes the ROM storing the encrypted value (program and/or data), a unique code generating unit, and a decrypting unit. The unique code generating unit generates a unique code specifically determined by production variation. The decrypting unit calculates a cryptographic key on the basis of the generated unique code and a correction parameter, and decrypts the encrypted value read out from the ROM by using the calculated cryptographic key. The correction parameter is preliminarily calculated outside the IC, on the basis of an initial unique code generated from the unique code generating unit immediately after production of the IC, and the predetermined cryptographic key used for encryption of the value to be stored in the ROM.

公开(公告)号：US20170092126A1

公开(公告)日：2017-03-30

申请号：US15271380

申请日：2016-09-21

Applicant: Renesas Electronics Corporation

Inventor： Daisuke OSHIDA ,  Masakatsu YOKOTA ,  Yasuhiro SAGESAKA

IPC: G08G1/0967 ,  G08G1/005 ,  H04B1/3822 ,  G08G1/07 ,  H04L12/931 ,  H04W4/04

Abstract: There is provided a communication system including the first communication device (roadside unit), a second communication device, and a data processing device. The first communication device is capable of establishing broadcast-type first communication (V2X communication) with the first communication terminal (vehicle). The second communication device is capable of establishing unicast- or multicast-type second communication with a plurality of moving objects (pedestrians) other than the first communication terminal and acquiring position information about the moving objects (pedestrians). The data processing device permits the second communication device to acquire position information about the moving objects and allows the first communication device (roadside unit) to transmit information (LDM) representative of the acquired position information about the moving objects to the first communication terminal (vehicle).

公开(公告)号：US20140133652A1

公开(公告)日：2014-05-15

申请号：US14064377

申请日：2013-10-28

Applicant: Renesas Electronics Corporation

Inventor： Daisuke OSHIDA ,  Shigemasa SHIOTA

IPC: H04L9/28

CPC classification number: H04L9/0866 ,  H04L9/0897 ,  H04L2209/34

Abstract: In a semiconductor device and an information processing system according to one embodiment, an external device generates external device unique information by using a unique code which is a value unique to the semiconductor device, and generates second information by encrypting the first information with the use of the external device unique information. The semiconductor device stores the second information and generates the principal device unique information independently of the external device, with the use of the unique code of the semiconductor device holding the second information, and decrypts the second information with the use of the principal device unique information to obtain the first information.

Abstract translation: 在根据一个实施例的半导体器件和信息处理系统中，外部设备通过使用作为半导体器件唯一的值的唯一代码来生成外部设备唯一信息，并且通过使用第一信息来加密第一信息来生成第二信息 外部设备独特的信息。 半导体器件存储第二信息，并且使用独立于半导体器件的唯一代码保存第二信息来生成与外部设备无关的主设备唯一信息，并且使用主设备唯一信息来解密第二信息 获取第一个信息。

公开(公告)号：US20160255065A1

公开(公告)日：2016-09-01

申请号：US14965683

申请日：2015-12-10

Applicant: Renesas Electronics Corporation

Inventor： Daisuke OSHIDA

IPC: H04L29/06 ,  H04L29/08 ,  H04L29/12

CPC classification number: H04L63/08 ,  H04L9/3242 ,  H04L61/6022 ,  H04L63/123 ,  H04L63/1441 ,  H04L67/12 ,  H04L69/22 ,  H04L69/324 ,  H04L2209/84 ,  H04W4/48 ,  H04W12/10

Abstract: Devices between which packets are transmitted and received include mutually corresponding packet counters. The same random number value is given to the packet counters as their initial values and the packet counters are updated with packet transmission/reception. The transmission-side device generates a MAC value, draws out part thereof on the basis of a counted value of its own packet counter, sets it as a divided MAC value, generates a packet by adding the value to a message and transmits the packet onto a network. The reception-side device generates a MAC value on the basis of the message in the received packet, draws out part thereof on the basis of a counted value of its own packet counter, compares the part with the divided MAC value in the received packet and thereby performs message authentication.

Abstract translation: 分组被发送和接收的设备包括相互对应的分组计数器。 将分组计数器作为其初始值给出相同的随机数值，并且使用分组发送/接收来更新分组计数器。 发送侧装置生成MAC值，根据其自身的分组计数器的计数值，将其设定为分割的MAC值，通过将该值附加到消息来生成分组，并将分组发送到 一个网络。 接收侧装置根据接收到的分组中的消息生成MAC值，根据其自己的分组计数器的计数值来提取其一部分，将该部分与接收到的分组中的分割的MAC值进行比较， 从而执行消息认证。

公开(公告)号：US20160219029A1

公开(公告)日：2016-07-28

申请号：US14933195

申请日：2015-11-05

Applicant: Renesas Electronics Corporation

Inventor： Daisuke OSHIDA

IPC: H04L29/06 ,  H04M1/02 ,  H04L9/14 ,  H04L29/08

CPC classification number: H04L63/08 ,  H04L9/3247 ,  H04L9/3263 ,  H04L63/0428 ,  H04L63/0442 ,  H04L63/0823 ,  H04L67/1095 ,  H04L67/12 ,  H04L2209/84 ,  H04M1/0202 ,  H04W4/046 ,  H04W4/40 ,  H04W12/0023 ,  H04W12/10 ,  H04W12/1208

Abstract: An object of the present invention is to prevent an attack from or via a communication device on an information apparatus in a communication system including the information apparatus, the communication device coupled to the information apparatus in the aftermarket, a server that authenticates the communication device, and a communication unit between the communication device and the server.A communication device includes a first interface that performs first communications with a server, a second interface that performs second communications with an information apparatus, and an information processing unit that performs an information process including a communication protocol process accompanied by the first and second communications. The information processing unit of the communication device sends a signature of the communication device from the first interface to the server, receives via the first interface a driver sent after the server authenticates the communication device on the basis of the received signature, and sends the received driver from the second interface to the information apparatus.

Abstract translation: 本发明的目的是为了防止在通信系统中的信息装置上的通信装置的攻击，包括信息装置，耦合到售后市场中的信息装置的通信装置，认证通信装置的服务器， 以及通信设备和服务器之间的通信单元。 通信装置包括执行与服务器的第一通信的第一接口，与信息装置进行第二通信的第二接口，以及执行包括伴随第一和第二通信的通信协议进程的信息处理的信息处理单元。 通信装置的信息处理单元将通信装置的签名从第一接口发送给服务器，经由第一接口接收服务器根据接收到的签名认证通信装置后发送的驱动程序，并将接收到的 驱动从第二接口到信息设备。

公开(公告)号：US20150207629A1

公开(公告)日：2015-07-23

申请号：US14671766

申请日：2015-03-27

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Daisuke OSHIDA ,  Shigeru FURUTA ,  Masayuki HIROKAWA ,  Akira YAMAZAKI ,  Takashi FUJIMORI ,  Shigemasa SHIOTA

IPC: H04L9/32 ,  H03M13/00 ,  H03M13/29

CPC classification number: H04L9/3226 ,  H03M13/29 ,  H03M13/63 ,  H04L9/3278 ,  H04L2209/04 ,  H04L2209/08 ,  H04L2209/34

Abstract: A semiconductor device in related art has a problem that security at the time of writing data cannot be sufficiently assured. A semiconductor device of the present invention has: a unique code generating unit generating an initial unique code which is a value unique to a device and includes an error in a random bit; a first error correcting unit correcting an error in the initial unique code to generate an intermediate unique code; a second error correcting unit correcting an error in the intermediate unique code to generate a first determinate unique code; and a decrypting unit decrypting, with the first determinate unique code, transmission data obtained by encrypting confidential information with key information generated on the basis of the intermediate unique code by an external device to generate confidential information.

Abstract translation: 相关技术的半导体器件具有无法充分确保写入数据时的安全性的问题。 本发明的半导体器件具有：唯一代码生成单元，其生成初始唯一代码，其是设备唯一的值，并且包括随机位中的错误; 第一纠错单元，校正所述初始唯一码中的错误以产生中间唯一码; 第二纠错单元，修正中间唯一码中的错误，以产生第一确定唯一码; 以及解密单元，利用所述第一确定唯一代码，通过由外部设备通过基于所述中间特征码产生的密钥信息对机密信息进行加密而获得的传输数据进行解密，以生成机密信息。

公开(公告)号：US20140289538A1

公开(公告)日：2014-09-25

申请号：US14294730

申请日：2014-06-03

Applicant: Renesas Electronics Corporation

Inventor： Daisuke OSHIDA ,  Masayuki HIROKAWA ,  Akira YAMAZAKI ,  Takashi FUJIMORI ,  Shigemasa SHIOTA ,  Shigeru FURUTA

IPC: G06F21/78

CPC classification number: G06F21/78 ,  G06F12/1408 ,  G06F21/72 ,  G06F21/73 ,  G06F21/79 ,  G06F2221/2107 ,  G06F2221/2129 ,  G09C1/00 ,  H04L9/002 ,  H04L9/0866 ,  H04L2209/08 ,  H04L2209/12

Abstract: A semiconductor device in related art has a problem that security on confidential information stored is insufficient. A semiconductor device of the present invention has a unique code which is unique to a device and generates unique code corresponding information from the unique code. The semiconductor device has a memory region in which specific information obtained by encrypting confidential information is stored in a region associated with the unique code corresponding information. The specific information read from the memory region is encrypted with the unique code corresponding information to generate the confidential information.

Abstract translation: 相关技术的半导体装置存在存储的机密信息的安全性不足的问题。 本发明的半导体器件具有唯一的代码，该代码对于器件是唯一的，并且从唯一代码生成唯一代码对应的信息。 半导体器件具有其中通过加密机密信息获得的特定信息被存储在与唯一代码对应信息相关联的区域中的存储区域。 从存储器区域读取的特定信息用唯一的代码对应信息加密以生成机密信息。

公开(公告)号：US20200081757A1

公开(公告)日：2020-03-12

申请号：US16543129

申请日：2019-08-16

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Naoya OTA ,  Kan TAKEUCHI ,  Fumio TSUCHIYA ,  Masaki SHIMADA ,  Shinya KONISHI ,  Daisuke OSHIDA

IPC: G06F11/07

Abstract: The semiconductor device has a module having a predetermined function, an error information acquisition circuit for acquiring error information about an error occurring in the module, a stress acquisition circuit for acquiring a stress accumulated value as an accumulated value of stress applied to the semiconductor device, and an analysis data storage for storing analysis data as data for analyzing the state of the semiconductor device, the error information and the stress accumulated value at the time of occurrence of the error being associated with each other.

公开(公告)号：US20180343070A1

公开(公告)日：2018-11-29

申请号：US15954686

申请日：2018-04-17

Applicant: Renesas Electronics Corporation

Inventor： Suguru FUJITA ,  Masakatsu YOKOTA ,  Daisuke OSHIDA

IPC: H04B17/14 ,  H05K1/18 ,  H05K1/14 ,  H04B17/00 ,  H04B17/17 ,  G01R31/40 ,  G01R19/165

Abstract: To discriminate between a circuit where a failure does not occur and a circuit where a failure might occur, a wireless communication device has tested units which belong to a transmission side circuit, tested units which belong to a reception side circuit, a test signal generation unit for generating a test signal, a test signal reception unit for receiving a test signal, a test signal determination unit for determining whether or not the test signal received by the test signal reception unit is normal, and test signal transfer units for transferring a test signal from the transmission side circuit to the reception side circuit.

公开(公告)号：US20180301033A1

公开(公告)日：2018-10-18

申请号：US15899987

申请日：2018-02-20

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Daisuke OSHIDA

IPC: G08G1/16

Abstract: A stopped vehicle cannot transmit position information about a subject vehicle by disabling communication. The vehicle-to-vehicle communication cannot therefore detect the position information about the stopped vehicle. A safe driving assistance system includes a first vehicle, a second vehicle, and an infrastructure. The second vehicle can transmit and receive position information from the first vehicle each other. The infrastructure includes a roadside unit that can receive position information about the first vehicle and position information about the second vehicle, can transmit position information about the first vehicle to the second vehicle, and can transmit position information about the second vehicle to the first vehicle. The infrastructure detects that the first vehicle stops, based on communication with the first vehicle, and transmits position information about the stopped first vehicle to the second vehicle.