Patent application number | Description | Published |
20090161864 | BLOCK CIPHER ARIA SUBSTITUTION APPARATUS AND METHOD - A block cipher ARIA substitution apparatus, the apparatus includes a first Sbox operation unit for performing operations of a substitution box S | 06-25-2009 |
20090316887 | DATABASE ENCRYPTION AND QUERY METHOD KEEPING ORDER WITHIN BUCKET PARTIALLY - A database encryption and query method keeping an order within a bucket partially, which encrypts and stores numeric data in a database, includes calculating a relative value of a plaintext within a bucket to which the plaintext is allocated; generating a first key value by producing a random number within the bucket; generating a second key value for defining a function having a bucket range of the bucket as an input; and changing the relative value based on the first and the second key value with keeping an order of the relative value partially to store the changed relative value. The first key value may be a value of separating order informations on the relative value. Further, the second key value may be a resultant value obtained by applying a mod 2 operation to the bucket size of the bucket. | 12-24-2009 |
20100135488 | SVC ENCRYPTION APPARATUS AND METHOD AND CONTENTS PROVIDING SYSTEM AND METHOD - An SVC encryption apparatus includes: an encoding/encryption unit for performing SVC (Scalable Video Coding) encoding on input data contents and carrying out encryption for data in accordance with a first encryption condition to generate a corresponding SVC bitstream; and a NAL (Network Adaptation Layer) data analysis unit for analyzing NAL data of the generated SVC bitstream to find out NAL data satisfying a second encryption condition. Further, the SVC encryption apparatus includes a conditional NAL data encryption unit for encrypting the extracted NAL data in accordance with the second encryption condition; and a bitstream transmitting unit for transmitting the SVC bitstream with encrypted NAL data. | 06-03-2010 |
20110085035 | APPARATUS AND METHOD FOR PROTECTING PRIVACY INFORMATION OF SURVEILLANCE IMAGE - An apparatus for protecting privacy information of a surveillance image includes a key management unit for generating and managing keys used to unmask a masked input image; an input image processing unit for unmasking the input image using the keys, decoding the unmasked input image to acquire an uncompressed image data, and then applying a second masking on an area containing privacy information of the image data. Further, the apparatus for protecting the privacy information of the surveillance image includes an image recording unit for encoding the image data to which the second masking has been applied to store the encoded image data. | 04-14-2011 |
20110125998 | NETWORK PHOTOGRAPHING APPARATUS HAVING A PARTIAL ENCRYPTION FUNCTION - Disclosed is a network photographing apparatus including a partial encryption function capable of encrypting only a portion of objects included in images. A network photographing apparatus including a partial encryption function, includes an object information extracting unit that receives digital image data from a photographing unit, analyzes a plurality of objects included in the digital image data, and generates object information data; an image compressing unit that processes the digital image data with compression data; and an encryption unit that searches encryption target object information data among the object information data received from the object information extracting unit and generates and sends out the encrypted compression data by encrypting only a part of the compression data, the part corresponding to the encryption target object information data. | 05-26-2011 |
20110142233 | SERVER AND CAMERA FOR VIDEO SURVIELLANCE SYSTEM AND METHOD FOR PROCESSING EVENTS IN THE SAME SYSTEM - A method for processing events in a server for a video surveillance system, includes: when the server detects occurrence of an event, transmitting a collection command to one or more cameras; analyzing specifications of the cameras, determining a set value for functions of cameras capable of processing the event, and transmitting a setting command to cameras; transmitting an execution command to the cameras, and processing and storing video data received from the cameras; and transmitting a completion command to the cameras, and completing the event processing. Each of the cameras including function units for performing different functions includes common frameworks which enable function units to perform the different function in a uniform manner. | 06-16-2011 |
20110145574 | SECURITY MANAGEMENT SERVER AND IMAGE DATA MANAGING METHOD THEREOF - A security management server includes an input unit for receiving image data from at least one network camera; a control unit for assigning an access authority level to each image data received via the input unit; and a storage unit for storing therein the image data along with the access authority levels assigned by the control unit. When receiving a request for a specific image data among the image data stored in the storage unit from a user having a user access authority level, the control unit compares the user access authority level and the access authority level assigned to the specific image data, and based on comparison result thereof, selectively provides the specific image data to the user. | 06-16-2011 |
20120120248 | IMAGE PHOTOGRAPHING DEVICE AND SECURITY MANAGEMENT DEVICE OF OBJECT TRACKING SYSTEM AND OBJECT TRACKING METHOD - An image photographing device of an object tracking system includes: an image recognizing module for collecting image information within a field of view (FOV) region in real time, recognizing occurrence of an event from the collected image information to extract an object contributing to the occurrence of the event, and sensing whether the extracted object is out of the FOV region or not. The device further includes an object tracking module for extracting property of the object from the extracted object to generate metadata, storing the metadata in a database, and providing the metadata stored in the database to ambient image photographing devices based on the sensing result of the image recognizing module. | 05-17-2012 |
20120134540 | METHOD AND APPARATUS FOR CREATING SURVEILLANCE IMAGE WITH EVENT-RELATED INFORMATION AND RECOGNIZING EVENT FROM SAME - An apparatus for creating a surveillance image with event-related information includes an event detection unit configured to detect an event in the surveillance image, an encoding unit configured to encode the surveillance image into a bit stream of the surveillance image, an event information creation unit configured to create event-related information based on the detected event, and a parsing unit configured to parse the encoded surveillance image and insert the event-related information into the bit stream of the encoded surveillance image. | 05-31-2012 |
20120147180 | METHOD AND SYSTEM FOR PROVIDING INTERFACE COMPATIBILITY BETWEEN DEVICES IN SYSTEM - A video surveillance system provides interface compatibility. The system includes a plurality of security devices connected to a network and configured to collect video data, a security server configured to make a connection request to a target security device to monitor the video data collected by the target security device, and an interface conversion server configured to convert the connection request in conformity to an interface of the target security device. The interface conversion server is further configured to convert the video data collected by the target security device having a non-standard interface in conformity to a standard interface in order for the security server to monitor the collected video data. | 06-14-2012 |
20120147186 | SYSTEM AND METHOD FOR RECORDING TRACK OF VEHICLES AND ACQUIRING ROAD CONDITIONS USING THE RECORDED TRACKS - An image recording device mounted to a vehicle includes an imaging unit for capturing a sequence of images including an image of a road that the vehicle is running and circumstances around the road by taking photographs; an image management unit for storing the captured images in a recording medium and for extracting a target image corresponding to a request for image transmission from the recording medium; and a communication unit for receiving the request for image transmission and for transmitting the extracted images to the external entity. | 06-14-2012 |
20120166381 | APPARATUS AND METHOD FOR DETECTING RISKY SITUATIONS - An apparatus for detecting risky situations includes a detection unit for detecting a risky situation and reporting the detected risky situation, and a control unit for analyzing and assessing the risky situation reported from the detection unit to take measures to the assessed risky situation. | 06-28-2012 |
20120195425 | SECURITY VIDEO TRANSMISSION APPARATUS, VIDEO DATA RECEPTION APPARATUS, AND KEY GENERATION METHOD THEREOF - There is provided a security video transmission apparatus for generating and updating an encryption key by using video data, having a property of a random number which is continuously generated in real time, as random number data in order to generate a key, encrypting the video data using the encryption key, and then transmitting the encrypted video data. | 08-02-2012 |
20130042297 | METHOD AND APPARATUS FOR PROVIDING SECURE SOFTWARE EXECUTION ENVIRONMENT BASED ON DOMAIN SEPARATION - An apparatus for providing a secure environment of software execution in a terminal device includes a normal service domain and a secure service domain into which a domain of the software is divided based on virtualization. The normal service domain executes a normal service on elements of the software, and the secure service domain executes a security service on elements of the software in response to a request for a security service of the software elements from the normal service domain. | 02-14-2013 |
20130074190 | APPARATUS AND METHOD FOR PROVIDING SECURITY FUNCTIONS IN COMPUTING SYSTEM - An apparatus for providing security functions in a computing system includes: at least one normal service domain executing service; a secure service domain performing integrity verification on a service execution environment of at least one normal service domain, and performing the security service function for the service in accordance with the result of the integrity verification; and a virtual machine monitor separating service execution environments of at least one normal service domain and the secure service domain, respectively, based on the same hardware device. According to the present invention, it is possible to enhance the security for execution environments of the computing system and the data stored in the system, by allowing the corresponding services, which need security service functions in the normal service domain, to be executed necessarily only when integrity verification of the execution environment succeeds by linking the secure service domain. | 03-21-2013 |
20130210348 | APPARATUS AND METHOD FOR PROVIDING NEAR FIELD COMMUNICATION FOR MOBILE DEVICE - An apparatus for providing near field communication (NFC) for a mobile device, includes a USB (universal serial bus) signal processing unit configured to convert a signal of the mobile device, which is received through a USB interface into a value to be processed in a central processing unit, and convert a value received from the central processing unit into a signal to be transmitted to the USB interface. Further, the apparatus includes an analog signal processing unit configured to convert an analog signal received from an outside device into a digital signal, and convert a digital signal of the central processing unit into an analog signal to transmit the converted analog signal to the antenna. | 08-15-2013 |
20140024412 | UNIVERSAL SUBSCRIBER IDENTIFICATION MODULE CARD, INCLUDING SECURITY CHIP, FOR MOBILE TERMINAL AND COMMUNICATION METHOD USING THE SAME - Disclosed herein are a universal subscriber identification module card and a communication method using the same. The universal subscriber identification module card includes a Universal Subscriber Identification Module (USIM) chip, a pad, and a security chip. The USIM chip performs the user authentication of a mobile terminal. The pad electrically connects the USIM chip to the mobile terminal when the USIM chip is inserted into the mobile terminal. The security chip performs a security function for the mobile terminal independently of the USIM chip and shares the two power terminals of the pad with the USIM chip. | 01-23-2014 |
20140082690 | MOBILE COMPUTING SYSTEM FOR PROVIDING HIGH-SECURITY EXECUTION ENVIRONMENT - A mobile computing system for providing a high-security execution environment is provided. The mobile computing system separates execution environments in the same mobile device on the basis of virtualization technology and manages user-specific execution environments using the same hardware security module, thereby facilitating protection of personal privacy. | 03-20-2014 |