Patent application number | Description | Published |
20110037563 | APPARATUS AND METHOD FOR BIOMETRIC REGISTRATION AND AUTHENTICATION - A biometric register includes: a feature extraction unit for performing preprocessing for a fingerprint to extract a feature point m for the fingerprint; a transformation function generation unit for generating a transformation function which is composed of an arbitrary rotation matrix and an arbitrary vector; and a template generation unit for transforming a coordinate of the feature point m using the generated transformation function, and organizing a fuzzy vault using a randomly generated fake feature point and a feature point m | 02-17-2011 |
20110123072 | FINGERPRINT VERIFICATION METHOD AND APPARATUS WITH HIGH SECURITY - A fingerprint verification apparatus that adds chaff fingerprint information to real fingerprint information of a user and then, hides and stores the fingerprint information of the user with a polynomial generated by unique information of the individual, thereby safely protecting the important fingerprint information of the user stored in a storing unit from an external attacker and safely managing an private key using the fingerprint information when using the private key as the unique information for making the polynomial. | 05-26-2011 |
20110153748 | REMOTE FORENSICS SYSTEM BASED ON NETWORK - A remote forensics system based on a network is provided to allow for accessing a forensics analysis center from a remote area to perform forensic analysis. The network-based remote forensic system includes: one or more remote terminals performing forensic analysis on an evidence device in a remote area, through a virtual forensic tool when the evidence device is connected thereto; and an investigation center system connected to the remote terminals via a wide area network to provide the virtual forensic tool, processing a requirement of the remote terminals, and providing requirement processing results to the remote terminals. | 06-23-2011 |
20120109969 | METHOD FOR DATA ANALYSIS AND DIGITAL FORENSICS AND SYSTEM USING THE SAME - A system and method for data analysis and digital forensics is provided. The system for data analysis and digital forensics may include: an online data forensic server for collecting and analyzing usage history information from an object device, which is subject to data collection, downloading and collecting data on the Internet based on the usage history information, requesting issuance of a timestamp token for the collected data, and receiving the issued timestamp token; a timestamp token issuing server for issuing the timestamp token for the collected data in response to the request for issuance of the timestamp token and proving the issued timestamp token to the online data forensic server; and a storage device for storing the collected data. | 05-03-2012 |
20120150915 | DIGITAL FORENSIC APPARATUS FOR ANALYZING USER ACTIVITIES AND METHOD THEREOF - A digital forensic apparatus for analyzing user activities includes: a collection unit for collecting analysis information related to user activities from a device as an investigation target for analyzing the user activities; and an analysis unit for analyzing the analysis information collected by the collection unit to determine activity information of a user from each type of the analysis information, and for causing the activity information to be arranged and displayed in temporal order. | 06-14-2012 |
20120166456 | METHOD AND APPARATUS FOR CREATING DATA TABLE OF FORENSICS DATA - An apparatus for creating a data table of a forensic data, includes a data parser configured to create primary data tables including unique attributes of the predetermined keywords by parsing the raw data having different formats for each forensics tool, each attribute having a unique standardized format. The apparatus further includes a data filter filtering specific fields or attributes from the primary data tables to newly create secondary data table. The apparatus further includes a data relation analyzer analyzing a relation between the data within the primary data tables to newly create secondary data tables. | 06-28-2012 |
20130117273 | FORENSIC INDEX METHOD AND APPARATUS BY DISTRIBUTED PROCESSING - 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. | 05-09-2013 |
20130124535 | APPARATUS AND METHOD FOR CALCULATING INTIMACY - An apparatus calculates an intimacy. The apparatus includes an information extraction unit to extract one of more communication logs to communicate with contact numbers in contact number information in a mobile terminal and a weight setting unit to set a weight on each communication log and each contact number. The apparatus further includes a time importance setting unit to set time importance in each communication log on the basis of service execution time of each communication log and an intimacy calculating unit to calculate an intimacy in each communication log on the basis of the time importance and the contact number with the weight, and calculate an intimacy between a user of the mobile terminal and each dialogist corresponding to the contact number using the intimacy in each communication log. | 05-16-2013 |
20130144885 | FILE SEARCH APPARATUS AND METHOD USING ATTRIBUTE INFORMATION - A file search apparatus using attribute information, includes an attribute extraction unit configured to extract attribute information by analyzing a file; and a distributed index generation unit configured to generate an attribute-based index database on the basis of the attribute information of the file. Further, the file search apparatus includes a storage unit configured to store the attribute-based index database; and a file search unit configured to search, when a query is input, an index database corresponding to the query in the storage unit to generate a search result. | 06-06-2013 |
20130159327 | APPARATUS AND METHOD FOR VISUALIZING DATA - 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. | 06-20-2013 |
20140136534 | SIMILARITY CALCULATING METHOD AND APPARATUS - A similarity calculating method and apparatus are disclosed. A similarity calculating method according to an exemplary embodiment of the present invention includes extracting similarity calculating data, which is determined in advance, by receiving a communication activity record for every user; modeling a communication activity pattern for every user and common information between the users based on the extracted similarity calculating data; and calculating a similarity between users using the modeled communication activity pattern for every user and common information. The modeling includes: modeling the communication activity pattern by calculating a value of a static feature from the similarity calculating data, and modeling the common information by calculating a value of a dynamic feature from the similarity calculating data. | 05-15-2014 |
20140295787 | METHOD AND APPARATUS FOR VISUALIZING RECORD DATA - A method for visualizing record data with a mobile forensic device for collecting and managing the record data including partner information when an event, such as a call or text service, occurs, includes: calculating an event occurrence frequency for each partner information using the collected record data; and classifying the partner information on the basis of a grade according to the calculated event occurrence frequency. Further, the method includes generating graphic data showing a relation between the partner information and user information of a mobile terminal on the basis of the classified grade; and displaying the graphic data. | 10-02-2014 |