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公开(公告)号：KR1020150112315A
公开(公告)日：2015-10-07
申请号：KR1020140036212
申请日：2014-03-27
Applicant: 한국전자통신연구원
CPC classification number: H04L9/3073 , H04L9/0844 , H04L9/3013 , H04L9/3252
Abstract: 본발명의실시예들은, 다수의인증데이터또는전자서명값들의검증을위한묶음검증방법및 장치에관한것으로, 본발명의일 실시예에따른묶음검증방법은, 묶음검증인스턴스를구성하는 N쌍의개별인스턴스들을재배열하는단계; 묶음검증에이용되는검증지수집합 E로부터 N-1개의검증지수를선택하는단계; 및상기선택된검증지수를이용하여상기재배열된묶음검증인스턴스에대한묶음검증을수행하는단계를포함한다. 본발명의실시예들은, 전자서명기법과암호학적증명방법에적용될수 있다. 본발명의실시예들에따르면, 다수의인증데이터또는전자서명값들의검증계산량이현저히감소될수 있다.
Abstract translation: 本发明涉及电子签名值或多个认证数据的批量验证方法和装置。 根据本发明的实施例，批量验证方法可以包括以下步骤：重新构成构成批验证实例的N对单独实例; 从用于批量验证的验证索引集合E中选择N-1个验证索引号; 以及通过使用所选择的验证索引来执行关于重新排列的批次验证实例的批量验证。 本发明的实施例可以应用于密码验证方法和电子签名技术。 根据本发明的实施例，可以显着地减少多个验证数据或电子签名值的计算量。
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公开(公告)号：KR1020150108516A
公开(公告)日：2015-09-30
申请号：KR1020140031371
申请日：2014-03-18
Applicant: 한국전자통신연구원
CPC classification number: G06F17/30321 , H04L9/3239
Abstract: 암호화된 데이터베이스에서 효율적인 범위 검색을 위한 인덱스를 생성하는 방법 및 그 인덱스 생성 방법을 이용하여 원하는 데이터를 검색하고 검색 결과를 복호화할 수 있는 복호화 장치 및 방법을 제시한다. 제시된 인덱스 생성 방법은 비밀키 및 일방향 함수를 준비하는 단계, 입력받은 평문 구간에 대한 태그를 비밀키 및 일방향 함수를 이용하여 계산하는 단계, 및 평문 구간을 복수의 부분 구간으로 분할하여 평문이 포함된 부분 구간의 정보를 태그로 암호화하여 암호화된 인덱스를 생성하는 단계를 포함한다.
Abstract translation: 本发明提供了一种用于在编码数据库中生成有效范围搜索的索引的方法，以及用于通过使用索引生成方法来搜索期望数据并且用于解码搜索结果的解码装置和方法。 提供的索引生成方法包括以下步骤：准备秘密密钥和单向功能; 通过使用秘密密钥和单向函数计算接收的明文部分的标签; 以及通过将所述明文部分划分为多个部分部分并且将包括所述明文的部分部分的信息编码为所述标签来生成编码索引。
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公开(公告)号：KR1020140069404A
公开(公告)日：2014-06-10
申请号：KR1020120135943
申请日：2012-11-28
Applicant: 한국전자통신연구원
CPC classification number: G06F17/3007 , G06F8/61 , G06F17/30115 , H04M1/72525
Abstract: The present specification discloses a method for analyzing user′s behavior and an apparatus using the same and, more specifically, to a method for analyzing user′s behavior in a smartphone and an apparatus using the same. The apparatus for analyzing user′s behavior in a smartphone disclosed in the present specification includes: an input unit which receives the download number information of a smartphone application; a dictionary generation unit which classifies a folder name generated when a smartphone application is installed in a smartphone with respect to the smartphone application with download frequency information more than a preset value, according to preset classification standards to create an application dictionary; an extraction unit which extracts the folder name of the smartphone application from a storage unit of the smartphone in which the smartphone application is stored; and an analysis unit which matches the extracted folder name to the application dictionary according to the classification standards to analyze the use pattern of a smartphone user.
Abstract translation: 本说明书公开了一种用于分析用户行为的方法和使用该方法的装置，更具体地，涉及一种用于分析智能手机中的用户行为的方法和使用该方法的装置。 用于分析本说明书中公开的智能手机中的用户行为的装置包括：输入单元，其接收智能手机应用的下载号码信息; 字典生成单元，根据预先设定的分类标准，将智能手机应用程序安装在智能手机中相对于具有大于预设值的下载频度信息的智能电话应用产生的文件夹名称分类，以创建应用程序字典; 提取单元，从存储智能电话应用的智能手机的存储单元中提取智能手机应用的文件夹名称; 以及分析单元，其根据分类标准将提取的文件夹名称与应用字典匹配，以分析智能手机用户的使用模式。
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公开(公告)号：KR101293605B1
公开(公告)日：2013-08-13
申请号：KR1020090079568
申请日：2009-08-27
Applicant: 한국전자통신연구원
CPC classification number: G06F21/31 , G06F21/64 , G06F2221/2151 , G06F2221/2153 , G06Q10/10 , G06Q50/26 , H04L63/123 , H04L2463/121
Abstract: 본 발명은 증거 데이터 수집 장치 및 그 방법에 관한 것으로, 저장매체를 확보하기 어려운 인터넷 상의 웹데이터나 기업 데이터베이스에서 쿼리를 통해 얻은 온라인 데이터 혹은 정보통신공간 상에서 수집된 각종 온라인 데이터 등과 같이 대용량의 공유 디스크에서 수집된 각종 온라인 데이터에 대하여 타임스탬프의 기능과 스크린캡쳐 기능을 선택 혹은 혼합적으로 수행하여 온라인 데이터의 증거 능력을 확보함으로써, 특정한 시점에 특정 데이터가 존재했음을 확인하여 하드디스크 드라이브를 압수하지 않고도 증거의 원본성 및 유효성을 확보할 수 있으며, 온라인데이터에 대한 증거능력을 향상시킬 수 있다.
온라인 데이터, 타임스탬프, 스크린캡쳐, 포렌식 이미지, HDD-
公开(公告)号：KR1020130085512A
公开(公告)日：2013-07-30
申请号：KR1020110134813
申请日：2011-12-14
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A speeding up method of a password checking process of the encrypted Microsoft Office 2007 file is provided to eliminate the item with the constant value within the arrangement and is provided to heighten the processing function. CONSTITUTION: A password which is inputted from a user is converted into the Unicode format of the double length (S10). In a process of generating an arrangement, which is configured with 4 byte variables from the 64 byte data segment for the SHA-1 hash value calculation, the item in which the arrangement value is the constant value is detected among the arranged items (S20). The item in which the arrangement value is the constant value is eliminated from the arrangement (S30). [Reference numerals] (AA) Start; (BB) End; (S10) Password which is inputted from a user is converted into the Unicode format of the double length; (S20) Process of generating an arrangement, which is configured with 4 byte variables from the 64 byte data segment for the SHA-1 hash value calculation, the item in which the arrangement value is the constant value is detected among the arranged items; (S30) Item in which the arrangement value is the constant value is eliminated from the arrangement; (S40) Calculate SHA-1 value and store HashRsul value; (S50) Calculate SHA-1 value and store HashRsul value on 64 bite to obtain 20 bite; (S60) Decode AES-128 bite on 16 bite ENCRYPTEDVERIFIER and 32 bite EncryptedVerifierHash; (S70) Check ecact password letter order
Abstract translation: 目的：提供加密的Microsoft Office 2007文件的密码检查过程的加速方法，以排除在排列中具有恒定值的项目，并提供加强处理功能。 构成：从用户输入的密码被转换为双倍长度的Unicode格式（S10）。 在用于SHA-1散列值计算的64字节数据段中配置有4字节变量的配置的处理中，在布置项目中检测排列值为常数值的项目（S20） 。 从布置（S30）中消除了布置值为常数值的项目。 （附图标记）（AA）开始; （BB）结束; （S10）从用户输入的密码被转换为双倍长度的Unicode格式; （S20）从用于SHA-1散列值计算的64字节数据段中生成配置有4字节变量的配置的处理，在排列项中检测排列值为常数值的项目; （S30）从布置中消除排列值为常数值的项目; （S40）计算SHA-1值并存储HashRsul值; （S50）计算SHA-1值，并将HashRsul值存储在64口以获得20次咬合; （S60）解码AES-128咬16位加密加密和32位加密加密哈希; （S70）检查密码字母顺序
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Patent Agency Ranking
公开(公告)号：KR1020130068633A
公开(公告)日：2013-06-26
申请号：KR1020110135928
申请日：2011-12-15
Applicant: 한국전자통신연구원
IPC: G06F17/00
CPC classification number: G06Q50/265
Abstract: PURPOSE: A data visualization device and a method thereof are provided to visualize combination data as meaningful information by using a correlation included in the combination data even though data of different sources and different users is combined. CONSTITUTION: A single data collecting unit(110) collects single data having different formats. A first multi data generating unit(120) generates first multi data with first single data having the same format. A second multi data generating unit(130) generates second multi data with the first single data, second single data having a different format from the first single data's, and the first multi data. A data visualizing unit(140) visualizes the single data, the first and the second multi data. [Reference numerals] (110) Single data collecting unit; (120) First multi data generating unit; (130) Second multi data generating unit; (140) Data visualizing unit; (150) Power supply unit; (160) Main control unit
Abstract translation: 目的：提供一种数据可视化设备及其方法，即使组合不同来源和不同用户的数据，也可以通过使用包含在组合数据中的相关性将组合数据视为有意义的信息。 构成：单个数据收集单元（110）收集具有不同格式的单个数据。 第一多数据生成单元（120）用具有相同格式的第一单个数据生成第一多数据。 第二多数据生成单元（130）利用第一单个数据生成第二多个数据，第二单个数据与第一单个数据具有不同的格式，以及第一多个数据。 数据可视化单元（140）可视化单个数据，第一和第二多个数据。 （附图标记）（110）单个数据收集单元; （120）第一多数据生成单元; （130）第二多数据生成单元; （140）数据可视化单元; （150）电源单元; （160）主控单元
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公开(公告)号：KR1020130067607A
公开(公告)日：2013-06-25
申请号：KR1020110134345
申请日：2011-12-14
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A digital forensic device of cloud computing is provided to collect a digital forensic evidence when the leakage of a restricted document or the infringement of copyright occurs by using a messenger in a social network based on cloud computing. CONSTITUTION: A messenger information collecting unit(110) collects investigation-related information, output images and voices of a computer including a messenger, and files and messages of the messenger. A cloud storage investigation unit(120) collects and analyzes use information of a cloud storage service to generate a report. An evidence storage unit(130) stores a digital forensic evidence collected by the cloud storage investigation unit and the messenger information collecting unit. [Reference numerals] (100) Digital forensic device; (110) Messenger information collecting unit; (120) Cloud storage investigation unit; (130) Evidence storage unit
Abstract translation: 目的：提供云计算的数字取证装置，以便在基于云计算的社交网络中使用信使时发生限制文件泄漏或侵犯版权时收集数字法医证据。 规定：信使信息收集单元（110）收集与调查有关的信息，输出包含信使的计算机的图像和声音，以及信使的文件和消息。 云存储调查单元（120）收集和分析云存储服务的使用信息以生成报告。 证据存储单元（130）存储由云存储调查单元和信使信息收集单元收集的数字法医证据。 （附图标记）（100）数字取证装置; （110）信使收集单元; （120）云存储调查单位; （130）证据存储单元
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公开(公告)号：KR101081574B1
公开(公告)日：2011-11-09
申请号：KR1020090017097
申请日：2009-02-27
Applicant: 한국전자통신연구원
Abstract: 그래픽프로세서를이용한 MS-Office 파일로부터의고속패스워드복구시스템및 방법이개시된다. 패스워드복구시스템은 Office 97/2000 호환가능알고리즘으로암호화된 MS-Office 파일로부터 DOCID, SALT, HASHEDSALT 값들을추출하여그래픽프로세서의메모리에저장하고, 복수의패스워드들을입력받거나생성하여그래픽프로세서의메모리에저장하는중앙처리유닛; 및그래픽프로세서의메모리에저장된복수의패스워드들에대해상기저장된 DOCID, SALT, HASHEDSALT 값들을이용하여 Office 97/2000 호환가능알고리즘에의한패스워드의키열변환과정및 패스워드의일치여부를판별하는과정을병렬처리하며그 결과를중앙처리유닛이획득할수 있도록제공하는그래픽프로세서;를포함한다. 이에의해 MS-Office 파일로부터고속으로패스워드를복구하는것이가능해진다.
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公开(公告)号：KR1020110066344A
公开(公告)日：2011-06-17
申请号：KR1020090122959
申请日：2009-12-11
Applicant: 한국전자통신연구원
CPC classification number: G06F17/30321 , G06F17/3007 , G06F17/3028 , G06F21/33
Abstract: PURPOSE: A multiple index apparatus of large scale evidence image in a digital forensic system and a method thereof are provided to shorten the generation time of an index database by generating several index databases according to the size of the evidence image. CONSTITUTION: A file system builder(101) constitutes an evidence image to a file system. A generating unit(102) generates an index database based on documents consisting of the file system. An adder unit(103) generates an additional index database based on the index added to the index database. A deleting unit(104) generates deletion information about the index database or the index database. A searching unit(105) searches a word from the index database or the index database.
Abstract translation: 目的：提供数字法医系统中大规模证据图像的多重索引设备及其方法，通过根据证据图像的大小生成多个索引数据库，缩短索引数据库的生成时间。 构成：文件系统构建器（101）构成文件系统的证据映像。 生成单元（102）基于由文件系统构成的文档生成索引数据库。 加法器单元（103）基于添加到索引数据库的索引生成附加索引数据库。 删除单元（104）生成关于索引数据库或索引数据库的删除信息。 搜索单元（105）从索引数据库或索引数据库中搜索单词。
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公开(公告)号：KR1020110044656A
公开(公告)日：2011-04-29
申请号：KR1020090101452
申请日：2009-10-23
Applicant: 한국전자통신연구원
CPC classification number: G06F17/30613 , G06F17/27
Abstract: PURPOSE: A local computer data indexed method and index device for the same are provided to realize index realized to content of web sites on a visiting web page list which remained to a local computer. CONSTITUTION: An index device collects a visit web page list which is remained in a computer of a user(S110). The index device automatically access at least one among web pages linked by the visit web page list. The index device obtains online text data(S120). The index device performs indexing about online text data. The index device generates index database(S130).
Abstract translation: 目的：提供本地计算机数据索引方法和索引设备，以实现对留在本地计算机上的访问网页列表上的网站内容实现的索引。 构成：索引装置收集留在用户计算机中的访问网页列表（S110）。 索引设备自动访问由访问网页列表链接的网页中的至少一个。 索引设备获取在线文本数据（S120）。 索引设备执行关于在线文本数据的索引。 索引设备生成索引数据库（S130）。
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