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公开(公告)号：KR101451782B1
公开(公告)日：2014-10-16
申请号：KR1020130069787
申请日：2013-06-18
Applicant: 국방과학연구소 , 고려대학교 산학협력단
CPC classification number: G06F21/316 , G06F17/18
Abstract: The present specification relates to a system and a method capable of authenticating a user who uses a current system through a pattern which is used by the user through a mouse. The system comprises a learning module which calculates the reference characteristic values for mouse usage based on mouse based events generated when the user use the mouse and calculates a reference probability distribution for each reference characteristic value using the reference characteristic values; and a determination module to authenticate the user based on the calculated probability value and the threshold value by calculating the threshold value based on the reference probability distribution, by calculating the characteristic values for the mouse usage based on the mouse events generated by the mouse used by the user, and by the probability value for each characteristic value using the characteristic values.
Abstract translation: 本说明书涉及能够通过用户通过鼠标使用的图案认证使用当前系统的用户的系统和方法。 该系统包括一个学习模块，该学习模块根据用户使用鼠标时产生的基于鼠标的事件计算鼠标使用的参考特征值，并使用参考特征值计算每个参考特征值的参考概率分布; 以及确定模块，通过基于所述参考概率分布计算所述阈值，基于所计算的概率值和所述阈值，基于由所述鼠标使用的鼠标生成的鼠标事件的特征值， 用户和使用特征值的每个特征值的概率值。
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公开(公告)号：KR101403398B1
公开(公告)日：2014-06-03
申请号：KR1020120155166
申请日：2012-12-27
IPC: G06F21/30
CPC classification number: G06F21/316 , G06N99/005
Abstract: The present specification relates to a user authentication apparatus via a document reading pattern and a control method thereof, which re-authenticate an arbitrary user using a current system via an arbitrary document reading behavior of the user and control the system based on the re-authentication result. For this, in the present specification, disclosed is a user authentication apparatus which reads an arbitrary prestored security document via an application program corresponding to the secure document and comprises a behavior observing part for extracting data corresponding to a behavior of reading the secure document; a preprocessor for removing unnecessary data from the extracted data; a feature extracting part for converting the data, filtered via the preprocessor, into document reading pattern information; and a classifier for checking an operation mode and applying a machine learning algorithm to the document reading pattern information converted in the feature extracting part when the operation mode is a registration mode.
Abstract translation: 本说明书涉及通过文件读取模式的用户认证装置及其控制方法，其通过使用者的任意文件读取行为使用当前系统重新认证任意用户，并且基于重新认证来控制系统 结果。 为此，在本说明书中，公开了一种用户认证装置，其通过与安全文件相对应的应用程序读取任意的预先存储的安全文档，并且包括用于提取与读取安全文档的行为相对应的数据的行为观察部件; 用于从提取的数据中去除不必要的数据的预处理器; 特征提取部分，用于将通过预处理器过滤的数据转换为文档读取模式信息; 以及分类器，用于在操作模式是注册模式时检查操作模式并将机器学习算法应用于在特征提取部分中转换的文档读取模式信息。
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公开(公告)号：KR1020130043529A
公开(公告)日：2013-04-30
申请号：KR1020110107740
申请日：2011-10-20
Applicant: 국방과학연구소
CPC classification number: H04L9/083 , H04L9/0869 , H04L9/14 , H04L9/3006 , H04L9/3073 , H04W84/18
Abstract: PURPOSE: An idea based broadcast encrypting method in a sensor network environment is provided to drastically reduce the amount of calculation of entire sensor nodes by reusing pairing calculation requiring large amount of calculation in a encrypting and demodulating process. CONSTITUTION: A system generating a bilinear pairing function, a master secret key, and an open key is set up. A secret key for a sensor node is generated and distributed. Open information is shared after the sensor nodes are arranged. A message is encrypted using the ID of a receiving sensor node. The encrypted message is demodulated using the secret key of the receiving sensor node. [Reference numerals] (A1) System setup; (A2) Selecting a public encryption key system parameter; (A3) Selecting a master secret key; (A4) Opening a master open key; (B1) Key generation and distribution; (B2) Generating an open integer value for a sensor and a secret key; (C1) Sensor arrangement; (C2) Broadcasting a sensor ID and the open integer value; (C3) Composing a neighbor sensor group; (D1) Encryption; (D2) Selecting a receiver group; (D3) Generating a random number; (D4) Generating a session key; (D5) Calculating an encrypted message using CRT; (D6) Transmitting a receiver ID, the random number, and the encrypted message; (E1) Broadcast encryption method; (E2) Low calculation amount and storage space; (E3) Forward and backward stability; (E4) Open key, secret key, and decryption calculation amount constant; (F1) Decryption; (F2) Calculating the session key using the open integer value and the secret key; (F3) Decrypting a cryptogram;
Abstract translation: 目的：提供传感器网络环境中基于思想的广播加密方法，通过在加密和解调过程中重复使用需要大量计算的配对计算，大大减少了整个传感器节点的计算量。 构成：建立生成双线性配对功能的系统，主密钥和开启密钥。 生成和分发传感器节点的秘密密钥。 安装传感器节点后，共享打开的信息。 使用接收传感器节点的ID对消息进行加密。 使用接收传感器节点的秘密密钥解密加密消息。 （附图标记）（A1）系统设置; （A2）选择公共加密密钥系统参数; （A3）选择主密钥; （A4）打开主打开键; （B1）密钥生成和分发; （B2）生成传感器和密钥的开放整数值; （C1）传感器布置; （C2）广播传感器ID和开放整数值; （C3）组成邻近传感器组; （D1）加密; （D2）选择接收机组; （D3）生成随机数; （D4）生成会话密钥; （D5）使用CRT计算加密消息; （D6）发送接收者ID，随机数和加密消息; （E1）广播加密方式; （E2）计算量少，存放空间小; （E3）前后稳定; （E4）打开密钥，秘密密钥和解密计算量常数; （F1）解密; （F2）使用开放整数值和秘密密钥计算会话密钥; （F3）解密密码;
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公开(公告)号：KR101308023B1
公开(公告)日：2013-09-26
申请号：KR1020110110705
申请日：2011-10-27
Applicant: 국방과학연구소
Abstract: 본 발명은 브로드캐스트 통신망을 이용한 방송 및 그룹 통신 환경에서 수신자의 프라이버시를 보장할 수 있는 아이디 기반의 브로드캐스트 암호화 방법으로, 이선형 페어링 맵(Bilinear pairing map), 마스터 비밀키 및 공개키를 생성하는 시스템을 셋업하는 단계; 수신자에 대한 비밀키를 생성 및 분배하는 단계; 수신자가 브로드캐스트 메시지를 복호화할 수 있도록 해당 수신자의 아이디를 이용하여 메시지를 암호화 및 브로드캐스트하는 단계; 및 수신자가 수신자 아이디에 해당하는 비밀키를 이용해 브로드캐스트 메시지를 복호화하는 단계;를 포함한다.
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Patent Agency Ranking
公开(公告)号：KR101256507B1
公开(公告)日：2013-04-19
申请号：KR1020120128058
申请日：2012-11-13
Applicant: 국방과학연구소
CPC classification number: G06F21/556 , G06F11/3438 , G06F21/604
Abstract: PURPOSE: A free content spill detecting system and a method thereof are provided to analyze and track the spill act of a user for information and documents by analyzing spill intention based on the analysis of user behavior. CONSTITUTION: An information spill analysis unit a behavior monitoring module(10) recording the behavior of users logging in a system and a characteristic extracting module(20) converting the recorded data of the user into activities. An information spill monitoring unit comprises an analysis module(30) including a condition unit probability chart referring the analysis and fusion of the activities and a system management module(40) determining the information spill probability of the logged users and accesses to necessary data. A user learning unit classifies the logged users into a high risk information spill user or a safe information spill user. [Reference numerals] (10) Monitoring behavior; (20) Extracting characteristics; (30) Analyzing; (40) Managing a system; (50) Studying; (AA) Data spill detecting system;
Abstract translation: 目的：提供一种免费内容泄漏检测系统及其方法，通过分析用户行为的分析意图，分析和跟踪用户信息和文档的泄漏行为。 构成：信息泄漏分析单元，记录登录系统的用户的行为和将用户的记录数据转换为活动的特征提取模块（20）的行为监视模块（10）。 信息泄漏监测单元包括分析模块（30），其包括参考活动的分析和融合的条件单元概率图以及确定记录的用户的信息溢出概率并访问所需数据的系统管理模块（40）。 用户学习单元将记录的用户分类为高风险信息溢出用户或安全信息泄漏用户。 （附图标记）（10）监视行为; （20）提取特性; （30）分析; （40）管理系统; （50）学习; （AA）数据泄漏检测系统;
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公开(公告)号：KR101589185B1
公开(公告)日：2016-01-28
申请号：KR1020140152675
申请日：2014-11-05
Applicant: 국방과학연구소
IPC: H04L9/14
Abstract: 본발명은중간값평균기법을이용한부 채널분석성능향상방법에관한것이다. 본발명에따른중간값평균기법을이용한부 채널분석성능향상방법은암호알고리즘입력정보가랜덤평문인지여부를판단하는단계(S100); 암호알고리즘에따른중간값을구성하는단계(S200); 중간값에따른소비전력집합을분류하는단계(S300); 및집합별 소비전력평균기법을적용하는단계(S400);를포함한다. 본발명에따르면, 본발명에따르면, 종래의상관전력분석이평균기법에의해분석이불가능한문제를해결하고, 중간값으로분류한파형에대한평균을취함으로써향상된부 채널분석결과를얻을수 있다.
Abstract translation: 本发明涉及一种通过使用中值平均法来改善侧信道分析性能的方法。 根据本发明，该方法包括以下步骤：（S100）确定密码算法输入信息是否为随机明文; （S200）根据密码算法配置中值; （S300）基于中值对功耗组进行分类; 和（S400）对每组应用功耗平均法。 根据本发明，通过解决常规相关功率分析不能通过平均方法进行分析并获得基于中值分类的波形的平均值的问题，可以获得改进的侧信道分析结果。
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公开(公告)号：KR101695361B1
公开(公告)日：2017-01-11
申请号：KR1020150133363
申请日：2015-09-21
Applicant: 국방과학연구소
Abstract: 페어링연산및 비밀키를이용한술어암호화방법이개시된다. 본발명의실시예는, 바이리니어페이링맵(Bilinear pairing map) 생성, 마스터비밀키및 공개파라미터를생성하는시스템을셋업하는단계와, 송신자및 수신자에대한비밀키를생성하여분배하는단계와, 수신자가브로드캐스트메시지를복호화할수 있도록, 수신자의속성집합과공개파라미터를이용하여브로드캐스트메시지를암호화및 전송하는단계와, 그리고수신자의술어집합에해당하는비밀키를이용하여상기수신된브로드캐스트메시지를복호화하는단계로이루어진다.
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公开(公告)号：KR101298618B1
公开(公告)日：2013-08-26
申请号：KR1020110107740
申请日：2011-10-20
Applicant: 국방과학연구소
Abstract: 본 발명은 기반 인프라가 없는 센서 네트워크에서 센서 노드들 간의 안전한 통신을 위한 무선 센서 네트워크를 위한 경량 브로드캐스트 암호 방법에 관한 것으로, 이선형 페어링 함수(Bilinear pairing 함수), 마스터 비밀키 및 공개키를 생성하는 시스템을 셋업하는 단계; 센서 노드를 위한 비밀키를 생성하여 분배하는 단계; 센서 노드들이 배치된 후 서로의 공개 정보를 공유하는 단계; 수신 센서 노드의 아이디를 이용하여 메시지를 암호화하여 브로드캐스트하는 단계; 및 각 수신 센서 노드가 자신의 비밀키를 이용하여 상기 브로드캐스트된 암호화 메시지를 복호화하는 단계를 포함하여 구성된다.
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