Authentication of terminal by electromagnetic transponder
    1.
    发明专利
    Authentication of terminal by electromagnetic transponder 有权
    电磁传感器终端验证

    公开(公告)号:JP2011010299A

    公开(公告)日:2011-01-13

    申请号:JP2010141949

    申请日:2010-06-22

    Inventor: WUIDART LUC

    Abstract: PROBLEM TO BE SOLVED: To provide a method of authenticating a terminals before a transponder transmits data to the terminal having need for communication.SOLUTION: The method is provided for authenticating the terminal for generating a magnetic field by the transponder including an oscillator for generating a voltage. In the method, at least one value decided by coupling between the transponder and the terminal is compared with at least one reference value, and the terminal is authenticated based on the comparison results. Specifically, the value of voltage generated by the oscillator corresponding to at least one value is measured, and the measured value is compared with the reference value decided by the voltage generated by the oscillator for an optimum coupling coefficient of the coupling between the transponder and the terminal.

    Abstract translation: 要解决的问题:提供一种在应答器向需要通信的终端发送数据之前对终端进行认证的方法。解决方案:该方法用于认证终端用于通过应答器产生磁场,该应答器包括用于生成 电压。 在该方法中,通过将应答器和终端之间的耦合决定的至少一个值与至少一个参考值进行比较,并且基于比较结果认证终端。 具体地,测量由振荡器产生的对应于至少一个值的电压的值,并且将测量值与由振荡器产生的电压决定的参考值进行比较,以获得应答器和转换器之间的耦合的最佳耦合系数 终奌站。

    Device for detecting part reduced in thickness of substrate of ic chip
    2.
    发明专利
    Device for detecting part reduced in thickness of substrate of ic chip 有权
    用于检测IC芯片基板厚度减少的部件

    公开(公告)号:JP2010287894A

    公开(公告)日:2010-12-24

    申请号:JP2010134365

    申请日:2010-06-11

    Abstract: PROBLEM TO BE SOLVED: To provide a device for detecting a part reduced in thickness of a substrate of an IC chip. SOLUTION: This device for detecting a part reduced in thickness of a substrate of an IC chip includes, in an active region of the substrate, a plurality of resistors connected as a Wheatstone bridge and dispersed in a rod shape; a first pair of facing resistors of the bridge are directed in a first direction; a second pair of facing resistors of the bridge are directed in a second direction; and the first and second directions are directions for changing an imbalance value of the bridge by parts of the substrate reduced in thickness. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种用于检测IC芯片的基板的厚度减小的部件。 解决方案:用于检测IC芯片的基板的厚度减小的装置包括在基板的有源区域中连接有惠斯登电桥并分散成棒状的多个电阻器; 桥的第一对面对电阻器沿第一方向被引导; 桥的第二对面对电阻器沿第二方向被引导; 并且第一和第二方向是用于通过减小厚度的基板的一部分改变桥的不平衡值的方向。 版权所有(C)2011,JPO&INPIT

    Surveillance of activity of electronic circuit
    3.
    发明专利
    Surveillance of activity of electronic circuit 有权
    电子电路活动监视

    公开(公告)号:JP2011041280A

    公开(公告)日:2011-02-24

    申请号:JP2010180256

    申请日:2010-08-11

    Inventor: WUIDART SYLVIE

    CPC classification number: H04L9/003 H04L2209/12

    Abstract: PROBLEM TO BE SOLVED: To provide a method and circuit for supervising execution of a given function or operation of an electronic circuit.
    SOLUTION: The method for supervising a digital signal (EN) includes the steps of: bringing a first P-channel MOS transistor (P1) into a deteriorated state of a negative bias temperature instability (NBTI) type during a period of time in which the signal to be supervised is in a first state; measuring a first amount (VMES) representing a saturation current of the first P-channel MOS transistor (P1) when switching the signal to be supervised into a second state; and giving a detection signal (DET) indicative of a supervisory result when the first amount exceeds a threshold (TH).
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供用于监视电子电路的给定功能或操作的执行的方法和电路。 解决方案:用于监视数字信号(EN)的方法包括以下步骤:在一段时间内使第一P沟道MOS晶体管(P1)变为负偏压温度不稳定性(NBTI)类型的劣化状态 其中要监督的信号处于第一状态; 当将要监督的信号切换到第二状态时,测量表示第一P沟道MOS晶体管(P1)的饱和电流的第一量(VMES) 以及当所述第一量超过阈值(TH)时,给出指示监视结果的检测信号(DET)。 版权所有(C)2011,JPO&INPIT

    Authentication of terminal-transponder couple by the terminal
    4.
    发明专利
    Authentication of terminal-transponder couple by the terminal 有权
    终端接线端子接头的认证

    公开(公告)号:JP2011008786A

    公开(公告)日:2011-01-13

    申请号:JP2010141950

    申请日:2010-06-22

    Inventor: WUIDART LUC

    CPC classification number: G06K7/0008 G06K19/0723 G06K19/07336

    Abstract: PROBLEM TO BE SOLVED: To provide a method which enables a transponder to authenticate a terminal before transmitting data to the terminal and enables the terminal to authenticate the transponder before transmitting data to the transponder.SOLUTION: In a method of authentication, by a terminal generating a magnetic field, of a transponder located in this field, the terminal transmits to the transponder first data relative to a current in an oscillating circuit of the terminal, which is measured by the terminal for a first value of a resistive load of the transponder, and the transponder calculates second data relative to the current of the oscillating circuit of the terminal for a second value of the resistive load and transmits the calculated second data to the terminal, and the terminal compares the transmitted second data with third data relative to the current of the oscillating circuit of the terminal, which is measured by the terminal for the second value of the resistive load, and the terminal authenticates the transponder on the basis of the comparison result.

    Abstract translation: 要解决的问题:提供一种使发送应答器在向终端发送数据之前对终端进行认证的方法,并且使得终端能够在向应答器发送数据之前对转发器进行认证。解决方案:在认证方法中,通过终端生成 位于该场中的应答器的磁场,终端相对于终端的振荡电路中的电流向应答器发送第一数据,该终端由终端测量应答器的电阻性负载的第一值, 并且应答器针对电阻性负载的第二值计算相对于终端的振荡电路的电流的第二数据,并将计算出的第二数据发送到终端,并且终端将发送的第二数据与相对于当前的第三数据进行比较 的端子的振荡电路,由端子测量的电阻负载的第二值,a d终端根据比较结果对转发器进行认证。

    Detection of data received by master device in single-wire communication protocol
    5.
    发明专利
    Detection of data received by master device in single-wire communication protocol 有权
    在“单线通信协议”中检测主设备接收到的数据

    公开(公告)号:JP2009253986A

    公开(公告)日:2009-10-29

    申请号:JP2009093279

    申请日:2009-04-07

    CPC classification number: H04L25/4902 H04L5/1423

    Abstract: PROBLEM TO BE SOLVED: To accelerate a communication rate in a single-wire protocol, by providing a method and system relating to data transmission between two devices via a single-wire connection part. SOLUTION: The present invention relates to a method of determining, by a first device capable of transmitting a two-state signal over a single-wire connection part to a second device, the binary state of data transmitted from the second device to the first device over the connection part, with the state being determined according to the slope of a rising edge of the two-state signal. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:通过提供通过单线连接部件提供与两个设备之间的数据传输相关的方法和系统,以加速单线协议中的通信速率。 解决方案:本发明涉及一种通过能够通过单线连接部分向​​第二设备发送双状态信号的第一设备来确定从第二设备传输的数据的二进制状态 连接部分上的第一器件,其状态根据两状态信号的上升沿的斜率来确定。 版权所有(C)2010,JPO&INPIT

    Device for protecting integrated circuit against laser attack
    6.
    发明专利
    Device for protecting integrated circuit against laser attack 有权
    用于保护集成电路以防止激光攻击的装置

    公开(公告)号:JP2009253297A

    公开(公告)日:2009-10-29

    申请号:JP2009090711

    申请日:2009-04-03

    CPC classification number: H01L23/576 H01L2924/0002 H01L2924/00

    Abstract: PROBLEM TO BE SOLVED: To provide a device for protecting an integrated circuit against an laser attack, enabling protection of the major portion of the integrated circuit without significantly extending the surface area of the integrated circuit. SOLUTION: The integrated circuit includes a substrate of a semiconductor material, active areas formed on a first surface side of the substrate, and a protection device against laser attacks. The protection device includes at least one first doped region formed between the active area and a second surface side of the substrate, a biasing device for biasing the first doped region, and a detection device for detecting durable increase in a current provided by the biasing device. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供一种用于保护集成电路免受激光攻击的装置,能够保护集成电路的主要部分而不会显着地延长集成电路的表面积。 解决方案:集成电路包括半导体材料的基板,形成在基板的第一表面侧上的有源区域和防止激光攻击的保护装置。 保护装置包括形成在基板的有源区和第二表面侧之间的至少一个第一掺杂区,用于偏置第一掺杂区的偏置装置,以及检测装置,用于检测由偏置装置提供的电流的持久增加 。 版权所有(C)2010,JPO&INPIT

    Method and apparatus for detecting fault utilizing attack
    7.
    发明专利
    Method and apparatus for detecting fault utilizing attack 有权
    用于检测故障使用攻击的方法和装置

    公开(公告)号:JP2011109662A

    公开(公告)日:2011-06-02

    申请号:JP2010256159

    申请日:2010-11-16

    Inventor: TEGLIA YANNICK

    CPC classification number: G06F21/83 G06F21/52 G06F21/71 G06F21/77

    Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for detecting a fault utilizing attack. SOLUTION: The method for detecting a fault utilizing attack includes: providing a plurality of blinding values; generating a first set including a first group of data elements and at least one additional data element generated by performing the exclusive OR between at least one data element in the first group and at least one of the blinding values; generating a second set comprising data elements corresponding to the exclusive OR between each data element of the first set and a selected one of the plurality of blinding values; generating a first signature by performing a commutative operation among the respective data elements of the first set; generating a second signature by performing the commutative operation between the respective data elements of the second set; and comparing the first signature with the second signature to detect a fault utilizing attack. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种利用攻击检测故障的方法和装置。 解决方案:利用攻击检测故障的方法包括:提供多个盲目值; 生成包括第一组数据元素的第一集合和通过执行第一组中的至少一个数据元素与至少一个盲目值之间的异或生成的至少一个附加数据元素; 产生第二组,其包括与所述第一组的每个数据元素和所述多个盲目值中的所选择的一个之间的异或相对应的数据元素; 通过在所述第一组的各个数据元素中执行交换操作来生成第一签名; 通过执行第二组的各个数据元素之间的交换操作来产生第二签名; 以及将所述第一签名与所述第二签名进行比较以检测利用攻击的故障。 版权所有(C)2011,JPO&INPIT

    Authentication of terminal-transponder couple by transponder
    8.
    发明专利
    Authentication of terminal-transponder couple by transponder 有权
    TRANSPONDER接线端子接头的验证

    公开(公告)号:JP2011010298A

    公开(公告)日:2011-01-13

    申请号:JP2010141948

    申请日:2010-06-22

    Inventor: WUIDART LUC

    CPC classification number: G06K19/0723 G06K19/07336

    Abstract: PROBLEM TO BE SOLVED: To provide a method of allowing transponders to authenticate terminals before transmission of data to the terminals, and of allowing the terminals to authenticate transponders before transmission of data to the transponders.SOLUTION: By the method of allowing the transponder including an oscillator for generating a voltage to authenticate the terminal for generating a magnetic field, the transponder receives first data for current of the oscillator of the terminal measured by the terminal for a first value of a resistive load of the transponder, the transponder each measures a voltage generated by the oscillator for the first value of the resistive load and a second value of the resistive load, and the transponder uses second data for the measured voltage and the first received data to authenticate the terminal.

    Abstract translation: 要解决的问题:提供一种允许应答器在向终端发送数据之前对终端进行认证的方法,以及允许终端在向应答器发送数据之前对转发器进行认证。解决方案:通过允许应答器包括 振荡器,用于产生电压以认证终端产生磁场,应答器接收终端测量的终端的振荡器的电流的第一数据,用于应答器的电阻负载的第一值,应答器各自测量电压 由振荡器产生的电阻性负载的第一值和电阻性负载的第二值,并且应答器使用第二数据作为测量电压和第一接收数据来认证终端。

    Power management in electromagnetic transponder
    9.
    发明专利
    Power management in electromagnetic transponder 有权
    电磁传感器电源管理

    公开(公告)号:JP2011004402A

    公开(公告)日:2011-01-06

    申请号:JP2010139734

    申请日:2010-06-18

    Inventor: WUIDART LUC

    CPC classification number: G06K19/0723 G06K19/0707 G06K19/0712 G06K19/0715

    Abstract: PROBLEM TO BE SOLVED: To provide a method capable of evaluating the capacity of a transponder in order to perform processing according to power extracted from a magnetic field generated by a terminal.SOLUTION: The method for evaluating power enabled to be extracted from the magnetic field of the terminal by the electromagnetic transponder existing in the magnetic field of the terminal generating the magnetic field includes: a step for evaluating a coupling coefficient between the transponder and the terminal; and a step for inferring usable power on a position where the coupling coefficient is evaluated based on the evaluated coupling coefficient.

    Abstract translation: 要解决的问题:提供一种能够评估应答器的容量以便根据从终端产生的磁场提取的功率进行处理的方法。解决方案:用于评估从磁场中提取的功率的方法 由存在于产生磁场的端子的磁场中的电磁应答器的端子包括:用于评估应答器和终端之间的耦合系数的步骤; 以及基于所评估的耦合系数推测在耦合系数被评估的位置处的可用功率的步骤。

    Resistive evaluation of coupling coefficient of electromagnetic transponder
    10.
    发明专利
    Resistive evaluation of coupling coefficient of electromagnetic transponder 有权
    电磁传感器耦合系数的电阻率评估

    公开(公告)号:JP2011004401A

    公开(公告)日:2011-01-06

    申请号:JP2010139733

    申请日:2010-06-18

    Inventor: WUIDART LUC

    Abstract: PROBLEM TO BE SOLVED: To provide a method capable of evaluating a coupling coefficient between a transponder and a terminal in a magnetic field of the terminal, in which the transponder exists.SOLUTION: In the method for evaluating the coupling coefficient between the electromagnetic transponder and the terminal, a ratio of voltages of an oscillation circuit in the transponder obtained as to two values of resistive loads of the transponder is compared with one or more thresholds, and the coupling coefficient is evaluated based on the compared result. Further, a DC voltage applied by a rectifier connected between both ends of the oscillation circuit is measured respectively as to two values of the resistive loads.

    Abstract translation: 要解决的问题:提供一种能够评估应答器存在的终端的磁场中的应答器与终端之间的耦合系数的方法。解决方案:在用于评估电磁应答器和 终端将应答器中获得的应答器中的振荡电路的电压与应答器的两个电阻负载的比率与一个或多个阈值进行比较,并且基于比较结果来评估耦合系数。 此外,分别测量连接在振荡电路的两端之间的整流器施加的直流电压与电阻负载的两个值。

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