公开(公告)号：US20130159327A1

公开(公告)日：2013-06-20

申请号：US13488826

申请日：2012-06-05

Applicant: Keon Woo Kim ,  Do Won Hong ,  Sung Kyong Un ,  Young Soo Kim ,  Woo Yong Choi ,  Sang Su Lee ,  Joo Young Lee ,  Su Hyung Jo ,  Youn Hee Gil

Inventor： Keon Woo Kim ,  Do Won Hong ,  Sung Kyong Un ,  Young Soo Kim ,  Woo Yong Choi ,  Sang Su Lee ,  Joo Young Lee ,  Su Hyung Jo ,  Youn Hee Gil

IPC: G06F17/30

CPC classification number: G06Q50/265

Abstract: Proposed is a data visualizing apparatus for visualizing data as effectual information using a correlation between forensic data collected from various sources. The proposed data visualizing apparatus may visualize, as effectual information, single-source single-data, single-source multi-data, and multi-source multi-data.

Abstract translation: 提出了一种使用从各种来源收集的法医数据之间的相关性将数据可视化为有效信息的数据可视化装置。 所提出的数据可视化装置可以将单源单一数据，单源多数据和多源多数据可视化为有效的信息。

公开(公告)号：US20130117273A1

公开(公告)日：2013-05-09

申请号：US13601925

申请日：2012-08-31

Applicant: Joo Young LEE ,  Youn Hee Gil ,  Do Won Hong ,  Keon Woo Kim ,  Young Soo Kim ,  Sung Kyong Un ,  Sang Su Lee ,  Su Hyung Jo ,  Woo Yong Choi ,  Hyun Sook Cho

Inventor： Joo Young LEE ,  Youn Hee Gil ,  Do Won Hong ,  Keon Woo Kim ,  Young Soo Kim ,  Sung Kyong Un ,  Sang Su Lee ,  Su Hyung Jo ,  Woo Yong Choi ,  Hyun Sook Cho

IPC: G06F17/30

CPC classification number: G06F17/30312

Abstract: Provided is a forensic index method by distributed processing, including: generating data to be divided by dividing data to be indexed according to predetermined division setting for distributed processing; allocating the generated data to be divided to a plurality of data processing units according to the predetermined division setting, extracting an index by filtering the allocated data to be divided in the plurality of data processing units, and generating divided index data including the extracted index; and generating an index database by merging the generated divided index data.

Abstract translation: 提供了一种通过分布式处理的取证索引方法，包括：根据用于分布式处理的预定划分设置，生成要划分的索引数据进行划分的数据; 根据预定的分割设置将生成的要分割的数据分配给多个数据处理单元，通过对分配在多个数据处理单元中的分配数据进行滤波来提取索引，并生成包括提取的索引的分割索引数据; 以及通过合并生成的分割索引数据来生成索引数据库。

公开(公告)号：US20120166808A1

公开(公告)日：2012-06-28

申请号：US13335821

申请日：2011-12-22

Applicant: Do Won HONG ,  Ik Rae JEONG ,  Geontae NOH

Inventor： Do Won HONG ,  Ik Rae JEONG ,  Geontae NOH

IPC: H04L9/32

CPC classification number: H04L9/3255 ,  H04L9/3093

Abstract: A lattice-based ring signature method includes generating a dimension, a bound, a length of a hashed message, a Gaussian parameter and an open parameter, which are parameters necessary for a ring signature. Further, the lattice-based ring signature method includes generating a signature key and a verifying key for a user who construct a ring by using the parameter necessary for the ring signature. Furthermore, the lattice-based ring signature method generating a signature for a message and the ring by using the signature key and the verifying key.

Abstract translation: 基于格子的环签名方法包括生成散列消息的维度，边界，长度，高斯参数和开放参数，这是环签名所必需的参数。 此外，基于格子的环签名方法包括通过使用环签名所需的参数来生成用于构造环的用户的签名密钥和验证密钥。 此外，基于格子的环签名方法通过使用签名密钥和验证密钥来生成消息的签名和环。

公开(公告)号：US20110145929A1

公开(公告)日：2011-06-16

申请号：US12968420

申请日：2010-12-15

Applicant: Nam-Su JHO ,  Abedelaziz Mohaisen ,  Do-Won Hong

Inventor： Nam-Su JHO ,  Abedelaziz Mohaisen ,  Do-Won Hong

IPC: G06F21/00

CPC classification number: G06F21/6245

Abstract: There are provided an apparatus and a method for privacy protection in association rule mining among data mining technologies. An apparatus for privacy protection in association rule mining according to an embodiment of the present invention comprises: a fake transaction inserter that generates fake transactions of a predetermined number each having a predetermined length and inserts the fake transactions between a plurality of transactions comprised in an original data set to generate a first virtual data set; and a distortion transaction generator that generates a second virtual data set by converting data of the transaction of the first virtual data set with a predetermined probability.

Abstract translation: 提供了数据挖掘技术中的关联规则挖掘中的隐私保护的装置和方法。 根据本发明的实施例的关联规则挖掘中的隐私保护装置包括：假交易插入器，其生成每个具有预定长度的预定数量的假交易，并将假交易插入到包含在原始数据中的多个交易之间 数据集，以生成第一虚拟数据集; 以及失真事务生成器，其通过以预定概率转换第一虚拟数据集的事务的数据来生成第二虚拟数据集。

公开(公告)号：US07599979B2

公开(公告)日：2009-10-06

申请号：US11046340

申请日：2005-01-28

Applicant: Yong Je Choi ,  Ku Young Chang ,  Do Won Hong ,  Hyun Sook Cho

Inventor： Yong Je Choi ,  Ku Young Chang ,  Do Won Hong ,  Hyun Sook Cho

IPC: G06F7/72

CPC classification number: G06F7/724

Abstract: An apparatus and method for hybrid multiplication in GF(2m) by which trade-off between the area and the operation speed of an apparatus for a hybrid multiplier in finite field GF(2m) can be achieved are provided. The apparatus for hybrid multiplication includes: a matrix Z generation unit generating [m×k] matrix Z for performing a partial multiplication of a(x) and b(x), by dividing b(x) by k bits (k≦┌m/2┐), when multiplication of m-bit multiplier a(x) and m-bit multiplicand b(x) is performed from [(m+k−1)×k] coefficient matrix of a(x) in GF(2m); a partial multiplication unit performing the partial multiplication ┌m/k┐k−1 times in units of rows of the matrix Z to calculate an (┌m/k┐k−1)-th partial multiplication value and a final result value of the multiplication; and a reduction unit receiving the (┌m/k┐k−1)-th partial multiplication value fed back from the partial multiplication unit and performing reduction of the value in order to obtain a partial multiplication value next to the (┌m/k┐k−1)-th partial multiplication value.

Abstract translation: 提供了一种用于在GF（2m）中的混合乘法的装置和方法，通过该方法可以实现有限域GF（2m）中用于混合乘法器的装置的区域和操作速度之间的权衡。 用于混合乘法的装置包括：通过将b（x）除以k位（k <=┌m/ m）来生成用于执行a（x）和b（x）的部分相乘的[mxk]矩阵Z的矩阵Z生成单元 在GF（2m）中的（x）的[（m + k-1）×k]系数矩阵中执行m比特乘法器a（x）和m比特被乘数b（x）的乘法时， 部分乘法单元以矩阵Z的行为单位执行部分乘法┌m/k┐k-1次，以计算（┌m/k┐k-1）个部分乘法值和最终结果值 乘法; 以及缩小单元，接收从部分乘法单元反馈的（┌m/k┐k-1）个部分相乘值，并执行该值的减少，以获得与（┌m/ k ┐k-1）部分乘法值。

公开(公告)号：US07587046B2

公开(公告)日：2009-09-08

申请号：US11081681

申请日：2005-03-17

Applicant: Ku Young Chang ,  Mun Kyu Lee ,  Hang Rok Lee ,  Do Won Hong ,  Ju Sung Kang ,  Hyun Sook Cho ,  Kyo Il Chung

Inventor： Ku Young Chang ,  Mun Kyu Lee ,  Hang Rok Lee ,  Do Won Hong ,  Ju Sung Kang ,  Hyun Sook Cho ,  Kyo Il Chung

IPC: H04L9/00 ,  G06F7/58

CPC classification number: H04L9/0861 ,  H04L2209/12

Abstract: A method and apparatus for generating a keystream are provided. The method includes: (a) receiving a bitstream comprised of at least 4 bits; (b) selecting at least two bits from the received bitstream; (c) generating an operation value by performing a predetermined bitwise operation on the bits selected in (b); and (d) determining whether to discard the received bitstream or to output the rest of the received bitstream not selected in (b) according to the operation value. The method and apparatus for generating a keystream are expected to be suitable for a ubiquitous computing and network environment and to provide high security or high efficiency.

Abstract translation: 提供了一种用于产生密钥流的方法和装置。 该方法包括：（a）接收由至少4位组成的比特流; （b）从所接收的比特流中选择至少两个比特; （c）通过对（b）中选择的比特执行预定的逐位运算来产生操作值; 以及（d）根据操作值确定丢弃所接收的比特流还是输出未在（b）中选择的接收的比特流的其余部分。 预期用于生成密钥流的方法和装置适用于普遍存在的计算和网络环境并提供高安全性或高效率。

公开(公告)号：US20080105742A1

公开(公告)日：2008-05-08

申请号：US11867227

申请日：2007-10-04

Applicant: Keonwoo KIM ,  Tae Jun PARK ,  Do Won HONG ,  Kyo Il CHUNG

Inventor： Keonwoo KIM ,  Tae Jun PARK ,  Do Won HONG ,  Kyo Il CHUNG

IPC: G06K17/00

CPC classification number: G07C13/00 ,  H04W12/0013

Abstract: Provided are a device for and a method of electronic voting (e-voting) using a wireless terminal. The e-voting device comprises: a voter identity verifying unit which verifies a voter can be allowed to vote based on a certificate of the voter received from a wireless terminal of the voter over a mobile communication network; an encryption key management unit which creates an encryption key for encrypting the content of voting and transmits the encryption key to the wireless terminal; a vote information providing unit which provides vote information containing a list of possible voting selections to the wireless terminal; and a voting selection storing unit which decrypts the encrypted content of voting that a personal identification information of the voter has been deleted and stores its result. The present invention allows a voter to cast his/her vote in a simple and convenient way without time and travel demands, thereby increasing the voting rate, and also ensuring secrecy and anonymity.

Abstract translation: 提供使用无线终端的电子投票（电子投票）的装置和方法。 电子投票设备包括：可以基于通过移动通信网络从选民的无线终端接收的选民的证书，允许对选民进行验证的选民身份验证单元进行表决; 加密密钥管理单元，其创建用于加密投票内容的加密密钥，并将加密密钥发送到无线终端; 投票信息提供单元，其向无线终端提供包含可能的投票选择的列表的投票信息; 以及投票选择存储单元，其对加密的投票内容进行解密，使得选民的个人识别信息已被删除并存储其结果。 本发明允许选民以简单方便的方式投票，没有时间和旅行需求，从而提高投票率，并确保保密和匿名。

公开(公告)号：US08856152B2

公开(公告)日：2014-10-07

申请号：US13488826

申请日：2012-06-05

Applicant: Keon Woo Kim ,  Do Won Hong ,  Sung Kyong Un ,  Young Soo Kim ,  Woo Yong Choi ,  Sang Su Lee ,  Joo Young Lee ,  Su Hyung Jo ,  Youn Hee Gil

Inventor： Keon Woo Kim ,  Do Won Hong ,  Sung Kyong Un ,  Young Soo Kim ,  Woo Yong Choi ,  Sang Su Lee ,  Joo Young Lee ,  Su Hyung Jo ,  Youn Hee Gil

IPC: G06F7/00 ,  G06F17/30

CPC classification number: G06Q50/265

Abstract: Proposed is a data visualizing apparatus for visualizing data as effectual information using a correlation between forensic data collected from various sources. The proposed data visualizing apparatus may visualize, as effectual information, single-source single-data, single-source multi-data, and multi-source multi-data.

Abstract translation: 提出了一种使用从各种来源收集的法医数据之间的相关性将数据可视化为有效信息的数据可视化装置。 所提出的数据可视化装置可以将单源单一数据，单源多数据和多源多数据可视化为有效的信息。

公开(公告)号：US20110145594A1

公开(公告)日：2011-06-16

申请号：US12962047

申请日：2010-12-07

Applicant: Nam-Su JHO ,  Do-Won HONG ,  Hyun-Sook CHO

Inventor： Nam-Su JHO ,  Do-Won HONG ,  Hyun-Sook CHO

IPC: G06F21/24

CPC classification number: G06F21/6227 ,  G06F21/602 ,  H04L9/0643 ,  H04L9/0894 ,  H04L63/0428

Abstract: Disclosed is a method for searchable symmetric encryption. The method for performing searchable encryption and searching for encrypted data includes: setting all necessary variables and preparing a secret key necessary for encryption; encrypting a data using the secret key and a given data and generating an index to be used for later search, to store the encrypted data and the index; generating a trapdoor to be used to search the encrypted data by using the secret key and a keyword to be used for the searching; and searching a desired data using the generated trapdoor and the stored index.

Abstract translation: 公开了一种可搜索对称加密的方法。 用于执行可搜索加密和搜索加密数据的方法包括：设置所有必要的变量并准备加密所需的秘密密钥; 使用秘密密钥和给定数据对数据进行加密，并生成要用于稍后搜索的索引，以存储加密数据和索引; 生成用于通过使用秘密密钥和要用于搜索的关键字来搜索加密数据的陷门; 并使用生成的陷门和存储的索引来搜索期望的数据。

公开(公告)号：US20100161957A1

公开(公告)日：2010-06-24

申请号：US12580603

申请日：2009-10-16

Applicant: Ku-young CHANG ,  Do-won HONG ,  Hyun-sook CHO

Inventor： Ku-young CHANG ,  Do-won HONG ,  Hyun-sook CHO

IPC: H04L9/00 ,  G06F12/14 ,  G06F17/30

CPC classification number: G06F21/6227 ,  H04L9/00

Abstract: Provided are methods of storing and searching for data in encrypted form. The method of storing data in encrypted form includes: encrypting desired data from among data stored in a database; dividing an entire region of the stored data into a plurality of bucket regions and allocating an index to each of the bucket regions; identifying order information in a bucket region to which the encrypted data belongs; and storing the encrypted data, index information of the bucket region to which the encrypted data belongs, and the identified order information in an external server. When a database containing important data of at least one user is stored in an external server using the above storing method, the security and efficiency of the database can be increased.

Abstract translation: 提供了以加密形式存储和搜索数据的方法。 以加密形式存储数据的方法包括：从存储在数据库中的数据中加密所需数据; 将所存储的数据的整个区域划分成多个桶区域，并且向每个桶区域分配索引; 识别加密数据所属的存储区域中的订单信息; 并且将加密数据，加密数据所属的桶区域的索引信息和所识别的订购信息存储在外部服务器中。 当使用上述存储方法将包含至少一个用户的重要数据的数据库存储在外部服务器中时，可以增加数据库的安全性和效率。