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    ONE-BIT TO FOUR-BIT DUAL CONVERSION APPARATUS FOR ENHANCED SECURITY AGAINST SIDE CHANNEL ANALYSIS AND METHOD THEREOF
    4.
    发明申请
    ONE-BIT TO FOUR-BIT DUAL CONVERSION APPARATUS FOR ENHANCED SECURITY AGAINST SIDE CHANNEL ANALYSIS AND METHOD THEREOF 审中-公开
    一对一到四位双转换装置，用于增强对通道分析的安全性及其方法

    公开(公告)号：US20150195084A1

    公开(公告)日：2015-07-09

    申请号：US14317568

    申请日：2014-06-27

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Seung Kwang LEE ,  Doo Ho CHOI

    IPC: H04L9/06

    CPC classification number: H04L9/0631 ,  H04L9/003

    Abstract: Disclosed is a dual conversion apparatus for preventing a side channel analysis, including: a microcontroller which converts one-bit expression, which is expressed by zero and one, into one of two four-bit transitions, reconstructs a cryptographic algorithm, and applies the four-bit converted dual conversion to the reconstructed cryptographic algorithm; and a storing unit which stores the four-bit converted dual conversion which is converted by the microcontroller.

    Abstract translation: 公开了一种用于防止侧信道分析的双转换装置，包括：将由0和1表示的一比特表达式转换成两个四比特转换中的一个的微控制器，重构密码算法，并应用四 位转换双转换为重构密码算法; 以及存储单元，其存储由微控制器转换的四位转换的双转换。

    BLOCK ENCRYPTION METHOD AND APPARATUS
    5.
    发明申请
    BLOCK ENCRYPTION METHOD AND APPARATUS 有权
    块加密方法和装置

    公开(公告)号：US20140286486A1

    公开(公告)日：2014-09-25

    申请号：US13943188

    申请日：2013-07-16

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Seung Kwang LEE ,  Doo Ho CHOI ,  Taesung KIM ,  Yong-Je CHOI ,  Kyunghee OH ,  Ju Han KIM

    IPC: H04L9/14

    CPC classification number: H04L9/003 ,  H04L9/0631 ,  H04L2209/08 ,  H04L2209/125

    Abstract: In accordance with an embodiment, the logical exclusive operation on the random number RAND and the OPc value are performed several times, the logical operation and encryption processing using a random number RAND and logical operation and encryption processing using a random number S are done in any order, which brings an increase of an attack complexity as to whether to calculate the correlation coefficient from the power consumption waveform at any point when analyzing the correlation power, whereby it is possible to defend the CPA attack effectively.

    Abstract translation: 根据一个实施例，执行对随机数RAND和OPc值的逻辑排序操作多次，使用随机数RAND的逻辑运算和加密处理以及使用随机数S的逻辑运算和加密处理在任何 在分析相关功率时，在任何时候能够从功耗波形计算相关系数是否能够提高攻击复杂度，从而有可能有效地保护CPA攻击。

    DEVICE, METHOD, AND SYSTEM FOR ENCRYPTION DATABASE
    6.
    发明公开
    DEVICE, METHOD, AND SYSTEM FOR ENCRYPTION DATABASE 审中-公开

    公开(公告)号：US20230259641A1

    公开(公告)日：2023-08-17

    申请号：US18151244

    申请日：2023-01-06

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Seung Kwang LEE ,  Nam Su JHO

    IPC: G06F21/60 ,  G06F21/78 ,  G06F21/62

    CPC classification number: G06F21/602 ,  G06F21/78 ,  G06F21/6218

    Abstract: Disclosed are an encryption database device, method, and system. The encryption database device includes a memory configured to store and read information, and a processor configured to control the storing and reading of the memory, wherein the processor is configured to allocate blocks to the memory and store at least one ciphertext for plaintext for each of the blocks, generate mapping information associating order information of the plaintext with block information obtained by encrypting a start position of the block in which the ciphertext is stored, access the block associated with the order information corresponding to a search range of the plaintext requested by a client using the mapping information, and respond with information related to the ciphertext of the accessed block to the client.

    WHITE BOX ENCRYPTION APPARATUS AND METHOD
    7.
    发明申请
    WHITE BOX ENCRYPTION APPARATUS AND METHOD 审中-公开
    白盒加密设备和方法

    公开(公告)号：US20150215117A1

    公开(公告)日：2015-07-30

    申请号：US14608878

    申请日：2015-01-29

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Ju Han KIM ,  Seung Kwang LEE ,  Doo Ho CHOI

    IPC: H04L9/08

    CPC classification number: H04L9/0631 ,  G09C1/00 ,  H04L2209/16

    Abstract: Disclosed are a white box encryption apparatus and method. The white box encryption method includes performing an encryption operation using a plurality of white box encryption tables for each of a plurality of rounds, and mixing arrangement of result tables output for each round.

    Abstract translation: 公开了一种白盒加密装置和方法。 白盒加密方法包括对多个轮次中的每一个执行多个白盒加密表的加密操作，以及每轮输出的结果表的混合排列。

    WHITE BOX ENCRYPTION SYSTEM AND METHOD
    8.
    发明申请
    WHITE BOX ENCRYPTION SYSTEM AND METHOD 审中-公开
    白盒加密系统和方法

    公开(公告)号：US20150324302A1

    公开(公告)日：2015-11-12

    申请号：US14709999

    申请日：2015-05-12

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Seung Kwang LEE ,  Doo Ho CHOI ,  Tae Sung KIM ,  Kyung Hee OH ,  Yong Je CHOI ,  Ju Han KIM ,  You Sung KANG

    IPC: G06F12/14 ,  H04L9/08

    CPC classification number: H04L9/08 ,  G06F12/1408 ,  G06F2212/1052 ,  H04L9/002 ,  H04L9/0847 ,  H04L9/085 ,  H04L2209/24

    Abstract: A white box encryption device is provided. The device included in a second device among a first device and the second device performing wired or wireless communication, and performing an encryption/decryption operation using a white box encryption table consisting of a look-up table set, includes, a non-volatile memory configured to store an incomplete look-up table set in which at least one look-up table or a portion of entire look-up table is removed, a volatile memory configured to store the incomplete look-up table set received from the non-volatile memory and the at least one look-up table received from the first device at a time of the encryption/decryption operation, and construct a complete look-up table set, and an encryption/decryption operation unit configured to perform the encryption/decryption operation using the complete look-up table set.

    Abstract translation: 提供了一个白盒加密设备。 包括在第一设备中的第二设备中的设备和执行有线或无线通信的第二设备，以及使用由查找表组成的白盒加密表执行加密/解密操作的设备包括：非易失性存储器 被配置为存储不完整的查找表集合，其中至少一个查找表或整个查找表的一部分被去除;易失性存储器，被配置为存储从非易失性接收的不完整查找表集合 存储器和在加密/解密操作时从第一设备接收的至少一个查找表，并构建完整的查找表集合;以及加密/解密操作单元，被配置为执行加密/解密操作 使用完整的查找表集合。

    SIDE-CHANNEL ANALYSIS APPARATUS AND METHOD BASED ON PROFILE
    9.
    发明申请
    SIDE-CHANNEL ANALYSIS APPARATUS AND METHOD BASED ON PROFILE 有权
    基于配置文件的侧信道分析设备和方法

    公开(公告)号：US20130325382A1

    公开(公告)日：2013-12-05

    申请号：US13734695

    申请日：2013-01-04

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Ju Han KIM ,  Kyunghee OH ,  Doo Ho CHOI ,  Taesung KIM ,  Yong-Je CHOI ,  Seung Kwang LEE

    IPC: G01R13/00 ,  G06F17/00

    CPC classification number: G01R13/00 ,  G01R13/029 ,  G06F17/00 ,  H04L9/002

    Abstract: A side channel analysis apparatus based on a profile includes a waveform collection unit configured to collect leaked information from a target device of a side channel analysis; and a preprocessing unit configured to preprocess a waveform data correspond to the leaked information collected from the waveform collection unit before analyzing same. Further, the side channel analysis apparatus includes an analysis unit configured to analyze the waveform data preprocessed in the preprocessing unit; and a profile configuration unit configured to make each process of the waveform collection unit, the preprocessing unit, and the analysis unit into a process and configure a profile for managing each process by connection of each process.

    Abstract translation: 基于简档的侧信道分析装置包括：波形收集单元，被配置为从侧信道分析的目标设备收集泄漏的信息; 以及预处理单元，被配置为在分析波形数据之前对与从波形采集单元收集的泄露信息相对应的波形数据进行预处理。 此外，侧信道分析装置包括分析单元，被配置为分析预处理单元中预处理的波形数据; 以及简档配置单元，被配置为使波形收集单元，预处理单元和分析单元的每个处理成为处理，并且通过连接每个处理来配置用于管理每个处理的简档。

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