Abstract: 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.

Abstract: 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.

Abstract: An apparatus for guiding an intersection entry and a standby time includes: a data receiver for receiving a control signal transmitted from an traffic signal control system; a vehicle travel information acquisition unit for acquiring a traveling direction and a travel speed of a vehicle; and a data analyzing unit for analyzing whether the vehicle can enter the intersection by analyzing position information and the traveling direction of the vehicle and the control signal to calculate an entry time into and a distance to the intersection or a standby time of the vehicle. The apparatus further includes a data output unit for providing whether to enter the intersection or the standby time of the vehicle to a driver of the vehicle.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: There are provided a low power SHA-1 hash algorithm apparatus having a low power structure and optimized to a trusted platform module (TPM) applied to a mobile trusted computing environment and a low power keyed-hash message authentication code (HMAC) encryption apparatus using the low power SHA-1 hash algorithm apparatus, the HMAC encryption apparatus including: a key padder padding key data for HMAC algorithm; an XOR operator XOR operating the padded key data and a padding constant; a data connector connecting a text to be encrypted, to data obtained by the XOR operating; a data padder padding the connected data; an SHA-1 hash algorithm part performing an SHA-1 hash algorithm on the padded data; a data selector selecting and applying one of a result of the SHA-1 hash algorithm and the text to be encrypted, to the data connector; and a controller controlling operations of the key padder, data connector, and data padder, a sequence of performing a hash algorithm of the SHA-1 hash algorithm part, and storing a

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Provided are an apparatus and method for preventing falsification of black box data. The apparatus for preventing falsification of black box data includes a driving information storage module and a falsification prevention module. The driving information storage module stores a driving information data which is collected by a black box. The falsification prevention module encrypts the driving information data to generate a falsification determination data through a predetermined encryption mechanism, and stores the falsification determination data.

Abstract: An apparatus for hash cryptography has a hardware structure that is capable of providing both secure hash algorithm (SHA)-1 hash calculation and SHA-256 hash calculation. The apparatus for hash cryptography generates a plurality of first message data corresponding to a plurality of first rounds when the SHA-1 hash calculation is performed and generates a plurality of second message data corresponding to a plurality of second rounds when the SHA-256 hash calculation is performed by using one memory, one first register, one XOR calculator, and one OR calculator, calculates a message digest by the SHA-1 hash calculation by using the plurality of first message data when the SHA-1 hash calculation is performed, and calculates a message digest by the SHA-256 by using the plurality of second message data when the SHA-256 hash calculation is performed.

Abstract: The present invention relates to a secure hash algorithm (SHA)-based message schedule operation method, a message compression operation method, and a cryptographic device performing the same. The present invention sequentially performs the message schedule operation by using an adder. Also, a memory for storing operation data input for the message schedule operation is used from a 17th round to store intermediate data generated by the message schedule operation. Further, the message compression operation is sequentially performed by using one adder.

Abstract: There are provided a low power SHA-1 hash algorithm apparatus having a low power structure and optimized to a trusted platform module (TPM) applied to a mobile trusted computing environment and a low power keyed-hash message authentication code (HMAC) encryption apparatus using the low power SHA-1 hash algorithm apparatus, the HMAC encryption apparatus including: a key padder padding key data for HMAC algorithm; an XOR operator XOR operating the padded key data and a padding constant; a data connector connecting a text to be encrypted, to data obtained by the XOR operating; a data padder padding the connected data; an SHA-1 hash algorithm part performing an SHA-1 hash algorithm on the padded data; a data selector selecting and applying one of a result of the SHA-1 hash algorithm and the text to be encrypted, to the data connector; and a controller controlling operations of the key padder, data connector, and data padder, a sequence of performing a hash algorithm of the SHA-1 hash algorithm part, and storing a

Abstract: A random number signal generator using pulse oscillators, the generator including: a first pulse oscillator oscillating a first pulse at high speed; a second pulse oscillator oscillating a second pulse; a sampler receiving an output pulse of the first oscillator as data, receiving an output pulse of the second pulse oscillator as a clock signal, and outputting a plurality of output signals; and a digital processor generating a random number signal with a desired size by using the output signals of the sampler.

Abstract: Disclosed is an RSA cryptographic processing apparatus capable of performing the fast operating function. A modular multiplication operation or a modular exponentiation operation, i.e., an RSA cryptographic operation, is selectively performed according to a control signal inputted, the modular operation of the data of 512 to 1024 bits is iteratively performed by use of 32-bit operating unit, and the data of 512 to 1024 bits is operated by use of a 32-bit operating unit, thereby minimizing the size of the register storing the data and reducing the size of the cryptographic apparatus, and which the intermediate value generated at the operation process is stored in the internal register instead of the memory, thereby minimizing the times of access to the memory.

Abstract: In an apparatus for a hyperelliptic-curve cryptography processing, an input/output control block controls a peripheral component interconnect (PCI) interface block, a direct memory access (DMA) and a data input/output. An input memory block stores an external instruction and input data provided by the PCI interface block. An output memory block stores a final and an intermediate value of a hyperelliptic-curve cryptography operation. A MUX controls a path of input/output data. An operation core block performs a genus one elliptic-curve and a genus two hyperelliptic-curve cryptography algorithm, respectively. A controlling device controls the operation core block.

Abstract: Disclosed is an RSA cryptographic processing apparatus capable of performing the fast operating function. A modular multiplication operation or a modular exponentiation operation, i.e., an RSA cryptographic operation, is selectively performed according to a control signal inputted, the modular operation of the data of 512 to 1024 bits is iteratively performed by use of 32-bit operating unit, and the data of 512 to 1024 bits is operated by use of a 32-bit operating unit, thereby minimizing the size of the register storing the data and reducing the size of the cryptographic apparatus, and which the intermediate value generated at the operation process is stored in the internal register instead of the memory, thereby minimizing the times of access to the memory.