公开(公告)号：US20080128516A1

公开(公告)日：2008-06-05

申请号：US11985693

申请日：2007-11-16

申请人： Ji-Myung Na ,  Min-Kyu Kim

发明人： Ji-Myung Na ,  Min-Kyu Kim

IPC分类号： G06K19/06

CPC分类号： G06K19/07372

摘要： A smart card includes a plurality of function blocks, and a laser attack detector configured to detect an external laser attack on at least one of the plurality of function blocks. The laser attack detector may include a plurality of chain blocks connected in a chain configuration, and each of the chain blocks is configured to change the level of a detection value stored therein in response to an external laser attack.

摘要翻译： 智能卡包括多个功能块，激光攻击检测器被配置为检测多个功能块中的至少一个的外部激光攻击。 激光攻击检测器可以包括以链式配置连接的多个链块，并且每个链块被配置为响应于外部激光攻击改变存储在其中的检测值的电平。

公开(公告)号：US20160218071A1

公开(公告)日：2016-07-28

申请号：US14955436

申请日：2015-12-01

申请人： Ki-bum Nam ,  Ji-myung Na

发明人： Ki-bum Nam ,  Ji-myung Na

IPC分类号： H01L23/00 ,  H01L27/02 ,  H01L49/02

CPC分类号： H01L23/576 ,  G06F21/86 ,  H01L28/91 ,  H01L2924/0002 ,  H01L2924/14 ,  H01L2924/00012

摘要： An integrated circuit includes a detector circuit including a sensor configured to sense an alteration to a physical characteristic of a substrate and to generate an alarm signal indicating such alteration and a circuit configured to respond to the generation of the alarm signal by implementing countermeasures. A smart card may include such a circuit to counteract a back side attack.

摘要翻译： 集成电路包括检测器电路，其包括被配置为感测对基板的物理特性的改变并且产生指示这种改变的报警信号的传感器，以及被配置为通过实施对策来响应所述报警信号的产生的电路。 智能卡可以包括用于抵消背面攻击的电路。

公开(公告)号：US20120117645A1

公开(公告)日：2012-05-10

申请号：US13239687

申请日：2011-09-22

申请人： Ji Myung Na ,  Jung Hyun Kim ,  Seong Il Park

发明人： Ji Myung Na ,  Jung Hyun Kim ,  Seong Il Park

IPC分类号： G06F21/24

CPC分类号： G06F21/87

摘要： A detection circuit, including a sensing circuit configured to sense whether there is an external attack and generate second data from first data, a data conversion circuit configured to convert the first data to third data, and a comparator configured to compare the second data with the third data.

摘要翻译： 一种检测电路，包括：感测电路，被配置为感测是否存在外部攻击并从第一数据生成第二数据;数据转换电路，被配置为将所述第一数据转换为第三数据;以及比较器，被配置为将所述第二数据与 第三个数据。

公开(公告)号：US20060219796A1

公开(公告)日：2006-10-05

申请号：US11302426

申请日：2005-12-14

申请人： Ji-Myung Na

发明人： Ji-Myung Na

IPC分类号： G06K19/06

CPC分类号： G07F7/1008 ,  G06Q20/341 ,  G06Q20/3576 ,  G07F7/082 ,  G07F7/084

摘要： Example embodiments of present invention disclosed herein are directed to an IC chip card capable of detecting an external attack on data of a memory device. An IC chip card may include a memory device adapted to store data including a stored integrity identification value, an integrity identification value generating unit adapted to calculate an integrity identification value of the data, and a microprocessor adapted to compare the stored integrity identification value with the calculated integrity identification value to determine whether the data of the memory device has been compromised.

摘要翻译： 本文公开的本发明的示例性实施例涉及能够检测对存储器件的数据的外部攻击的IC芯片卡。 IC芯片卡可以包括适于存储包括存储的完整性标识值的数据的存储器件，适于计算数据的完整性标识值的完整性识别值生成单元，以及适于将存储的完整性识别值与 计算完整性识别值，以确定存储设备的数据是否已被破坏。

公开(公告)号：US09515702B2

公开(公告)日：2016-12-06

申请号：US14741321

申请日：2015-06-16

申请人： Jong-Pil Cho ,  Ji-Myung Na ,  Il-jong Song

发明人： Jong-Pil Cho ,  Ji-Myung Na ,  Il-jong Song

IPC分类号： H04B5/00 ,  H03D1/10 ,  H03D1/12 ,  H03D1/22

CPC分类号： H04B5/0031 ,  H03D1/10 ,  H03D1/12 ,  H03D1/22

摘要： A demodulator for near field communication may include: a scale down circuit configured to receive first and second modulated signals from first and second power electrodes, and configured to provide a scale down signal to a first node by scaling down magnitudes of the first and second modulated signals; a current source coupled between the first node and a ground voltage, and configured to generate a constant current flowing from the first node to the ground voltage; a charge store circuit coupled between the first node and ground voltage, and configured to perform charge and discharge operations alternately, based on the scale down signal and constant current, to output an envelope signal, which corresponds to an envelope of the scale down signal; and/or an edge detector configured to generate input data, which correspond to the first and second modulated signals, based on a transition of the envelope signal.

摘要翻译： 用于近场通信的解调器可以包括：缩小电路，被配置为从第一和第二电力电极接收第一和第二调制信号，并且被配置为通过缩小第一和第二调制信号的幅度来向第一节点提供缩小信号 信号; 耦合在第一节点和接地电压之间的电流源，并且被配置为产生从第一节点流向地电压的恒定电流; 耦合在第一节点和地电压之间的电荷存储电路，并且被配置为基于缩小信号和恒定电流交替执行充电和放电操作，以输出对应于缩小信号的包络的包络信号; 和/或边缘检测器，被配置为基于包络信号的转变来生成对应于第一和第二调制信号的输入数据。

公开(公告)号：US20160134333A1

公开(公告)日：2016-05-12

申请号：US14741321

申请日：2015-06-16

申请人： Jong-Pil CHO ,  Ji-Myung NA ,  Il-jong SONG

发明人： Jong-Pil CHO ,  Ji-Myung NA ,  Il-jong SONG

IPC分类号： H04B5/00 ,  H03D1/10

CPC分类号： H04B5/0031 ,  H03D1/10 ,  H03D1/12 ,  H03D1/22

摘要： A demodulator for near field communication may include: a scale down circuit configured to receive first and second modulated signals from first and second power electrodes, and configured to provide a scale down signal to a first node by scaling down magnitudes of the first and second modulated signals; a current source coupled between the first node and a ground voltage, and configured to generate a constant current flowing from the first node to the ground voltage; a charge store circuit coupled between the first node and ground voltage, and configured to perform charge and discharge operations alternately, based on the scale down signal and constant current, to output an envelope signal, which corresponds to an envelope of the scale down signal; and/or an edge detector configured to generate input data, which correspond to the first and second modulated signals, based on a transition of the envelope signal.

摘要翻译： 用于近场通信的解调器可以包括：缩小电路，被配置为从第一和第二电力电极接收第一和第二调制信号，并且被配置为通过缩小第一和第二调制信号的幅度来向第一节点提供缩小信号 信号; 耦合在第一节点和接地电压之间的电流源，并且被配置为产生从第一节点流向地电压的恒定电流; 耦合在第一节点和地电压之间的电荷存储电路，并且被配置为基于缩小信号和恒定电流交替执行充电和放电操作，以输出对应于缩小信号的包络的包络信号; 和/或边缘检测器，被配置为基于包络信号的转变来生成对应于第一和第二调制信号的输入数据。

公开(公告)号：US07748637B2

公开(公告)日：2010-07-06

申请号：US11985693

申请日：2007-11-16

申请人： Ji-Myung Na ,  Min-Kyu Kim

发明人： Ji-Myung Na ,  Min-Kyu Kim

IPC分类号： G06K19/06

CPC分类号： G06K19/07372

摘要： A smart card includes a plurality of function blocks, and a laser attack detector configured to detect an external laser attack on at least one of the plurality of function blocks. The laser attack detector may include a plurality of chain blocks connected in a chain configuration, and each of the chain blocks is configured to change the level of a detection value stored therein in response to an external laser attack.

摘要翻译： 智能卡包括多个功能块，激光攻击检测器被配置为检测多个功能块中的至少一个的外部激光攻击。 激光攻击检测器可以包括以链式配置连接的多个链块，并且每个链块被配置为响应于外部激光攻击改变存储在其中的检测值的电平。

公开(公告)号：US08561186B2

公开(公告)日：2013-10-15

申请号：US13239687

申请日：2011-09-22

申请人： Ji Myung Na ,  Jung Hyun Kim ,  Seong Il Park

发明人： Ji Myung Na ,  Jung Hyun Kim ,  Seong Il Park

IPC分类号： G06F11/00 ,  G06F7/58

CPC分类号： G06F21/87

摘要： A detection circuit, including a sensing circuit configured to sense whether there is an external attack and generate second data from first data, a data conversion circuit configured to convert the first data to third data, and a comparator configured to compare the second data with the third data.

摘要翻译： 一种检测电路，包括：感测电路，被配置为感测是否存在外部攻击并从第一数据生成第二数据;数据转换电路，被配置为将所述第一数据转换为第三数据;以及比较器，被配置为将所述第二数据与 第三个数据。