公开(公告)号：US09423425B2

公开(公告)日：2016-08-23

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 ,  G01R13/02 ,  H04L9/00

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。

公开(公告)号：US09577821B2

公开(公告)日：2017-02-21

申请号：US14680320

申请日：2015-04-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Tae Sung Kim ,  Doo Ho Choi

IPC: H04L29/06 ,  H04L9/00

CPC classification number: H04L9/002 ,  H04L9/003 ,  H04L2209/04 ,  H04L2209/16 ,  H04L2209/24

Abstract: Disclosed is a function masking apparatus in a symmetric cryptographic algorithm for preventing side channel attacks, including: a controller creating lookup tables for one or more internal functions included in a high security and light weight (HIGHT) algorithm, respectively based on a plurality of non-linear functions, a plurality of linear functions, and a plurality of constants which are randomly generated; and a storage unit storing the lookup tables for one or more internal functions included in the generated HIGHT algorithm.

Abstract translation: 公开了一种用于防止侧信道攻击的对称加密算法中的功能掩蔽装置，包括：控制器分别基于多个非信道发现，为包括在高安全性和轻重量（HIGHT）算法中的一个或多个内部功能创建查找表， 线性函数，多个线性函数和多个随机生成的常数; 以及存储单元，存储所生成的HIGHT算法中包括的一个或多个内部功能的查找表。

公开(公告)号：US11115202B2

公开(公告)日：2021-09-07

申请号：US16654738

申请日：2019-10-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sang Jae Lee ,  Mi Kyung Oh ,  You Sung Kang ,  Ik Kyun Kim ,  Doo Ho Choi

IPC: H04L9/00 ,  H04L9/08 ,  H03K19/096 ,  H03L7/099 ,  H04L9/32 ,  H04L17/02

Abstract: Disclosed is a method of generating secret information on the basis of a ring oscillator. According to an embodiment of the present disclosure, there is provided an apparatus for generating secret information on the basis of a ring oscillator, the apparatus including: multiple PUF information generation units each including at least one ring oscillator cell and generating physically unclonable function (PUF) information generated by the at least one ring oscillator cell; a phase checking unit cross-checking phases for the multiple pieces of the PUF information that are output from the multiple PUF information generation units, respectively; and a secret key generation unit outputting secret key information based on a result of comparing the multiple phases received from the phase checking unit.

公开(公告)号：US09083489B2

公开(公告)日：2015-07-14

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: H04L9/06 ,  H04L9/00

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。