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公开(公告)号：KR1020030043448A
公开(公告)日：2003-06-02
申请号：KR1020010074631
申请日：2001-11-28
Applicant: 한국전자통신연구원
IPC: H04L9/14
CPC classification number: H04L9/3093
Abstract: PURPOSE: An NTRU encoding/decoding device is provided to perform efficiently an NTRU encoding/decoding process by improving a structure of the NTRU encoding/decoding device. CONSTITUTION: The first storage portion(12) stores an input message for NTRU encoding and a secret key for NTRU decoding. The second storage portion(13) stores an input value of a polynomial expression using p as a modular value of a coefficient. The third storage portion(14) stores an input value of a polynomial expression using q as a modular value of a coefficient. An NTRU calculation portion(16) performs an NTRU cryptographic calculation and a decoding calculation for values of the first to the third storage portions. The fourth storage portion(17) stores an output value of the NTRU calculation portion. An output selection portion(18) determines an output operation of the fourth storage portion. A modular calculation portion(19) performs a modular calculation process for an output value of the output selection portion. An NTRU control portion(15) controls each register and the NTRU calculation portion.
Abstract translation: 目的：提供NTRU编码/解码装置，通过改进NTRU编码/解码装置的结构来有效地执行NTRU编码/解码处理。 构成：第一存储部分（12）存储用于NTRU编码的输入消息和用于NTRU解码的秘密密钥。 第二存储部（13）使用p作为系数的模块值来存储多项式表达式的输入值。 第三存储部分（14）使用q作为系数的模块值来存储多项式表达式的输入值。 NTRU计算部分（16）对第一至第三存储部分的值执行NTRU密码计算和解码计算。 第四存储部（17）存储NTRU计算部的输出值。 输出选择部分（18）确定第四存储部分的输出操作。 模块化计算部分（19）对输出选择部分的输出值执行模块化计算处理。 NTRU控制部分（15）控制每个寄存器和NTRU计算部分。
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公开(公告)号：KR1020030043447A
公开(公告)日：2003-06-02
申请号：KR1020010074630
申请日：2001-11-28
Applicant: 한국전자통신연구원
IPC: H04L9/14
CPC classification number: H04L63/0485 , H04L9/0625 , H04L9/0631 , H04L9/302 , H04L9/3066 , H04L63/0853
Abstract: PURPOSE: A high-speed hardware cryptographic processing system and a method thereof are provided to enhance the performance of a cryptographic process by performing a symmetric key and an asymmetric key ciphering algorithm in parallel. CONSTITUTION: A scheduler(120) is used for generating the scheduling information for an executing procedure of a ciphering algorithm. A storage portion(130) stores rearranged command, rearrangement information, and the address information of the cryptographic data according to the scheduling information. A cryptographic processing portion(150) reads the stored data of the storage portion and performs a cryptographic process according to the command priority by referring to the command rearrangement information and the address information. A control portion(140) outputs a command to generate the scheduling information, sort cryptographic data, assign the data, and perform the cryptographic process.
Abstract translation: 目的：提供一种高速硬件加密处理系统及其方法，用于通过并行执行对称密钥和非对称密钥加密算法来增强密码处理的性能。 构成：调度器（120）用于生成用于加密算法的执行过程的调度信息。 存储部（130）根据调度信息存储重新排列的命令，重排信息和密码数据的地址信息。 加密处理部（150）通过参照命令重排信息和地址信息读取存储部分的存储数据，并根据命令优先级执行密码处理。 控制部（140）输出生成调度信息的命令，分类密码数据，分配数据，进行密码处理。
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公开(公告)号：KR1020030009597A
公开(公告)日：2003-02-05
申请号：KR1020010044113
申请日：2001-07-23
Applicant: 한국전자통신연구원
IPC: G06K19/07
Abstract: PURPOSE: A power supply unit for an IC card and a method for controlling the same are provided to minimize an electric power consumption necessary for driving a system and perform a stable operation in an IC card system having an internal power source(battery). CONSTITUTION: An internal power source(110) supplies a power source of a predetermined level in the case that an internal circuit unit(200) of a card system is an operation mode or a waiting mode. A switching control circuit unit(120) receives a mode judgement signal from a mode judgement unit in the internal circuit unit(200) which judges whether the card system is an operation mode or a waiting mode, and supplies a switching control signal to the first switching unit(140) and the second switching unit(141) in accordance with the received mode judgement signal, respectively. That is, in the case that the card system is an operation mode, the switching control circuit unit(120) supplies a switching control signal to the first switching unit(140) for making the internal power source(110) be supplied to the internal circuit unit(200) and making the internal power source(110) be accumulated in an electric charge accumulating circuit unit(130). Also, the switching control circuit unit(120) supplies a switching control signal to the second switching unit(141) for making an electric charge be accumulated in an electric charge accumulating circuit unit(130).
Abstract translation: 目的：提供用于IC卡的电源单元及其控制方法，以最小化驱动系统所需的电力消耗并在具有内部电源（电池）的IC卡系统中执行稳定的操作。 构成：在卡系统的内部电路单元（200）是操作模式或等待模式的情况下，内部电源（110）提供预定电平的电源。 开关控制电路单元（120）从内部电路单元（200）中的模式判断单元接收模式判断信号，判定卡系统是操作模式还是等待模式，并将切换控制信号提供给第一 切换单元（140）和第二切换单元（141）。 也就是说，在卡系统是操作模式的情况下，切换控制电路单元（120）向第一切换单元（140）提供切换控制信号，以使内部电源（110）提供给内部 电路单元（200），并且使内部电源（110）累积在电荷累积电路单元（130）中。 此外，切换控制电路单元（120）向第二切换单元（141）提供切换控制信号，以在电荷累积电路单元（130）中累积电荷。
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公开(公告)号：KR101869064B1
公开(公告)日：2018-07-19
申请号：KR1020120058684
申请日：2012-05-31
Applicant: 한국전자통신연구원
IPC: H04L9/38
CPC classification number: G01R13/00 , G01R13/029 , G06F17/00 , H04L9/002
Abstract: 본발명에서는부채널분석시스템에서파형수집, 전처리, 분석에이르는부채널분석의각 과정을프로세스로만들고, 각과정을프로세스의연결로관리하는프로파일을구성하여, 각프로세스에서사용되는파라미터와프로세스의동작결과물인각각의파형을쉽게확인할수 있도록함으로써, 프로파일의참조를통해파형수집, 전처리, 분석등의부채널분석의모든과정을쉽게이해할수 있도록한다.
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公开(公告)号：KR1020160099320A
公开(公告)日：2016-08-22
申请号：KR1020150021634
申请日：2015-02-12
Applicant: 한국전자통신연구원
Inventor： 최용제
Abstract: 본발명에따른카드시스템의카드복제검색방법은, 카드를식별하는단계, 상기카드의고유식별번호가변경되었는지를판별하는단계, 상기카드의상기고유식별번호가변경되었을때, 상기카드를복제카드로인식하는단계, 상기카드의상기고유식별번호가변경되지않았을때, 카드인증프로토콜을진행하는단계, 상기카드인증프로토콜진행후에, 상기카드에저장된카운트값과운영서버에저장된카운트값을비교하는단계, 및상기카드의카운트값과상기운영서버의카운트값이동일하지않을때, 상기카드를복제카드로인식하는단계를포함한다.
Abstract translation: 本发明涉及一种用于搜索卡系统中的复制卡的方法，该方法能够增加米兰票价收集系统（MIRAFE）经典卡的安全性。 在卡系统中搜索复制卡的方法包括：识别卡的步骤; 确定所述卡的唯一识别号码是否已经改变的步骤; 当卡的唯一标识号已被改变时，将该卡识别为复制卡; 当该卡的唯一标识号没有改变时执行卡认证协议的步骤; 在执行卡认证协议之后，将存储在卡中的计数值与存储在操作服务器中的计数值进行比较的步骤; 以及当卡的计数值与操作服务器的计数值不相同时，将卡识别为复制卡的步骤。
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Patent Agency Ranking
公开(公告)号：KR1020160033506A
公开(公告)日：2016-03-28
申请号：KR1020140124502
申请日：2014-09-18
Applicant: 한국전자통신연구원
CPC classification number: G06F21/556 , G09C1/00 , H04L9/003 , H04L2209/12 , H04L2209/80 , G06K7/10297 , H04L9/002
Abstract: 비접촉식디바이스의부채널신호를수집하는기술이개시된다. 본발명의일 면에따른부채널신호수집장치는소정간격만큼떨어진비접촉식디바이스에전원을공급하고, 캐리어신호를송신하는리더, 상기전원을공급받아동작하는상기비접촉식디바이스에서상기캐리어신호에대응하여발생하는신호에서부채널신호를추출하는신호추출부, 및추출된상기부채널신호를상기리더에서생성되는트리거신호에동기화하여샘플링하는신호수집부를포함하되, 상기신호추출부는상기리더로부터수신되는캐리어신호의세기에따라기 설정된위치에서, 상기비접촉식디바이스에서발생하는신호를수신하는것이다.
Abstract translation: 公开了一种用于收集非接触式装置的侧向信道信号的技术。 根据本发明的一个方面，一种用于收集侧信道信号的装置包括：读取器，其在与读取器分开放置一定距离处的非接触设备上提供电力，并发送载波信号; 信号提取单元，其通过接收功率而操作的非接触式设备中的载波信号产生的信号中提取侧信道信号; 以及信号采集单元，其将提取的侧声道信号与由读取器产生的触发信号同步，并执行侧声道信号的采样。 信号提取单元根据从读取器接收到的载波信号的强度在预定位置接收在非接触式设备中产生的信号。 本发明的目的是提供一种使载波信号最小化并有效地收集非接触式装置的侧信道信号的技术。
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公开(公告)号：KR1020150136337A
公开(公告)日：2015-12-07
申请号：KR1020140063687
申请日：2014-05-27
Applicant: 한국전자통신연구원
IPC: H04K1/00
CPC classification number: H04L9/003 , G09C1/00 , H04L2209/12
Abstract: 본발명은스마트폰과같이전용부채널분석보드가없는기기에대해부채널분석을수행할수 있도록한 부채널분석시스템및 방법에관한것으로, 상기시스템은, 부채널분석을위한제어신호를출력하는한편, 수신되는측정신호를바탕으로부채널분석하는부채널분석장치; 상기부 채널분석장치로부터제공되는제어신호에따라, 부채널측정을위해광 신호의발생과암호화기능을수행하는분석대상장치; 상기분석대상장치에서발생되는광 신호를검출하여검출된광 신호에따라트리거신호를생성하여출력하는광센서모듈; 및상기광 센서모듈로부터출력되는트리거신호를이용하여상기분석대상장치의암호화동작에따라발생되는적어도하나이상의신호들의파형을측정하여, 상기부채널분석장치로제공하는신호측정장치를포함한다.
Abstract translation: 侧信道分析系统及其方法技术领域本发明涉及一种侧信道分析系统及其方法，所述侧信道分析系统可以对没有如智能电话的专用侧信道的分析板的设备进行侧信道分析。 本发明的侧信道分析系统包括：侧信道分析装置，用于在输出用于分析侧信道的控制信号的同时基于接收的测量信号分析侧信道; 分析目标装置，用于根据从侧信道分析装置提供的控制信号执行产生和编码用于测量侧信道的光信号的功能; 光传感器模块，用于检测从分析目标装置产生的光信号，以根据检测到的光信号产生并输出触发信号; 以及信号测量装置，用于通过使用从光学传感器模块输出的触发信号来测量根据分析对象装置的编码操作产生的至少一个信号的波形，并将其提供给侧信道分析装置。
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公开(公告)号：KR1020150085980A
公开(公告)日：2015-07-27
申请号：KR1020140006028
申请日：2014-01-17
Applicant: 한국전자통신연구원
Abstract: 본발명은별도의트리거신호의생성이어려운보안임베디드시스템의부채널보안성테스트시부 채널신호수집을용이하게수행할수 있도록한 부채널분석을위한범용트리거발생장치에관한것으로서, 상기장치는, 보안임베디드시스템에서암호화연산을통해측정되는부 채널신호에대하여패턴샘플링하는패턴샘플링부; 및상기패턴샘플링부를통해샘플링된데이터와호스트 PC로부터제공되는트리거기준신호의상관계수연산을수행하고, 연산된상관계수값을기설정된기준값과비교하여연산된상관계수값이기준값을초과하는경우부 채널분석을위한트리거신호를발생하여파형측정장치로제공하는상관계수연산부를포함한다.
Abstract translation: 本发明涉及用于子信道分析的通用触发发生器。 当安全嵌入式系统中的子信道的安全性难以产生单独的触发信号时，通用触发发生器使得能够容易地收集子信道信号。 该装置包括：模式采样单元，其通过安全嵌入式系统中的密码操作测量的子信道信号执行模式采样操作; 以及相关系数计算单元，其执行从主PC提供的触发参考信号和由模式采样单元采样的数据的相关系数计算单元，将计算出的相关系数值与预设参考值进行比较，并产生触发信号 用于子信道分析，并且当相关系数值超过参考值时，将触发信号发送到波形测量装置。
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公开(公告)号：KR1020140116725A
公开(公告)日：2014-10-06
申请号：KR1020130031652
申请日：2013-03-25
Applicant: 한국전자통신연구원
CPC classification number: H04L9/003 , H04L9/0631 , H04L2209/08 , H04L2209/125
Abstract: The present invention relates to a method and an apparatus to process block encryption. The disclosed method to process block encryption comprises the steps of: generating an OPc divided value, an RAND divided value, and an S divided value by dividing an OPc generated by encrypting an OP via a block algorithm, a random number RAND and a random number S by the preset byte unit; determining a sequence of a process using the RAND divided value and a process using the S divided value and the OPc divided value; sequentially performing a logic operation between the RAND divided value and the OPc divided value, and a logic operation between the S divided value and the OPc divided value in accordance to the determined sequence; sequentially performing block encryption for a value resulted from the logic operation between the RAND divided value and the OPc divided value, and a value resulted from the logic operation between the S divided value and the OPc divided value in accordance to the determined sequence; and eliminating the block encryption result of the value resulted from the logic operation between the S divided value and the OPc divided value, and outputting the block encryption result of the value resulted from the logic operation between the RAND divided value and the OPc divided value. The present invention, performs in multiple times, an exclusive logic operation between the OPc value and the random number RAND and performs the logic operation and the encryption process using the random number RAND, and the logic operation and the encryption process using the random number S in accordance to an arbitrary sequence, thereby increasing the attack complexity to calculate a correlation coefficient at some point of a power consumption waveform when a correlation power analysis is performed effectively defending against a correlation power analysis attack.
Abstract translation: 本发明涉及一种处理块加密的方法和装置。 所公开的处理块加密的方法包括以下步骤：通过将通过块算法加密生成的OPc，随机数RAND和随机数除以产生的OPc，生成OPc划分值，RAND分割值和S分割值 S以预设字节单位; 使用所述RAND分割值确定处理的序列，以及使用所述S分割值和所述OPc分割值的处理; 根据所确定的顺序顺序地执行RAND分割值和OPc分割值之间的逻辑运算以及S分割值与OPc分割值之间的逻辑运算; 根据所确定的顺序对由RAND分割值和OPc分割值之间的逻辑运算产生的值以及由S分割值和OPc分割值之间的逻辑运算产生的值进行顺序执行块加密; 并且消除由S分割值和OPc分割值之间的逻辑运算导致的值的块加密结果，并输出由RAND分割值和OPc分割值之间的逻辑运算产生的值的块加密结果。 本发明多次执行OPc值和随机数RAND之间的异或逻辑运算，并使用随机数RAND执行逻辑运算和加密处理，并使用随机数S的逻辑运算和加密处理 从而提高攻击的复杂度，以便在相对功率分析进行有效防御相关功率分析攻击时计算功耗波形的某一点的相关系数。
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公开(公告)号：KR1020140068445A
公开(公告)日：2014-06-09
申请号：KR1020120135944
申请日：2012-11-28
Applicant: 한국전자통신연구원
Abstract: An apparatus for controlling injection of an error into a controlled device and a method thereof are disclosed. An apparatus for controlling injection of an error according to an embodiment of the present invention includes: an error injecting unit which injects a predetermined error into a controlled device to cause the controlled device to generate error information; a controlled device state sensing unit which senses whether the controlled device is in an inoperable state; and a control unit which extracts secret information of the controlled device using the error information generated by the controlled device, and initializes the controlled device when it is sensed that the controlled device is in an inoperable state. The apparatus additionally includes a communication control unit which provides the control unit with the error information generated by the controlled device and initializes the controlled device using an initialization command received from the control unit. Therefore, a process of repeated error injection and information extraction can be automated to minimize user intervention, thereby improving user convenience.
Abstract translation: 公开了一种用于控制将误差注入受控装置的装置及其方法。 根据本发明的实施例的用于控制错误的注入的装置包括：错误注入单元，其将预定的错误注入到受控设备中，以使受控设备产生错误信息; 受控设备状态感测单元，其感测受控设备是否处于不可操作状态; 以及控制单元，其使用由受控设备生成的错误信息来提取受控设备的秘密信息，并且当感测到受控设备处于不可操作状态时初始化受控设备。 该装置还包括通信控制单元，其向控制单元提供由受控设备生成的错误信息，并使用从控制单元接收的初始化命令来初始化受控设备。 因此，重复错误注入和信息提取的过程可以自动化以最小化用户干预，从而提高用户便利性。
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