Patent application number | Description | Published |
20080226066 | APPARATUS FOR BATCH VERIFICATION AND METHOD USING THE SAME - A batch verification apparatus and method wherein, the method includes: generating a plurality of secret keys, a plurality of public keys corresponding to the plurality of secret keys, and a plurality of verification values corresponding to the plurality of public keys; calculating a first batch verification value based on the plurality of verification values; calculating a second batch verification value based on the plurality of secret keys and the plurality of verification values; comparing the first batch verification value and the second batch verification value; and determining that a batch of the received plurality of verification values is verified when the first batch verification value is equal to the second batch verification value. | 09-18-2008 |
20090102606 | TAG AUTHENTICATION METHOD USING ROTATION, AND TAG AND READER PERFORMING THE METHOD - A tag authentication method, and a tag and reader performing the method are provided. The tag authentication method, including: a reader generating a first random number and transmitting the first random number to a tag; the reader receiving a second random number and a first verification value from the tag; the reader computing a second verification value based on the first random number and the second random number; and the reader comparing the first verification value and the second verification value. | 04-23-2009 |
20090102655 | MOBILE PRIVACY PROTECTION SYSTEM USING PROXY, PROXY DEVICE AND MOBILE PRIVACY PROTECTION METHOD - A mobile privacy protection system using a proxy, a proxy device, and a mobile privacy protection method are provided. The mobile privacy protection system includes: an electronic tag to store predetermined tag information; a proxy device to adjust a privacy level of the electronic tag; and a home server to create new tag information in response to a request from the proxy device wherein the new tag information is used to adjust the privacy level. | 04-23-2009 |
20100131763 | MOBILE SYSTEM, SERVICE SYSTEM, AND KEY AUTHENTICATION METHOD TO MANAGE KEY IN LOCAL WIRELESS COMMUNICATION - A mobile system, a service system, and a key authentication method to manage a key in a local wireless communication are provided. The mobile system and the service system may generate a hash value with respect to a public key of the service system using an identical hash function, and output a result corresponding to the hash value. | 05-27-2010 |
20100153720 | MOBILE SYSTEM, SERVICE SYSTEM, AND SERVICE PROVIDING METHOD TO SECURELY TRANSMIT PRIVATE INFORMATION FOR USE IN SERVICE - A mobile system, a service system, and a service providing method for securely transmitting private information for use in a service are provided. The mobile system maintains at least one user data and identification data with respect to the user data used for processing at least one service, sets a session key for the service system, and encrypts service data identified based on the identification data to transmit to the service system. | 06-17-2010 |
20110093712 | COMMUNICATION DEVICE SUPPORTING PAIRING - Provided is a communication device. The communication device may transmit information to an external device using a terminal that makes a physical contact with the external device, and may sense the physical contact. In response to the sensed physical contact, the communication device may generate a link key. | 04-21-2011 |
20120131342 | METHOD AND APPARATUS FOR CONTROLLING ACCESS TO DATA BASED ON LAYER - Disclosed is an access control apparatus and method for giving access authority with respect to data. The access control apparatus may encrypt, using a Public Key (PK) of a terminal, a Node Key (NK) of a target layer in which the access authority is to be granted to the terminal, and produce an Access Control List (ACL) of the target layer based on the encrypted NK and ID information of the terminal. Also, the access control apparatus may produce a copy of the ACL based on the produced ACL, and store the produced copy of the ACL in a lower layer. | 05-24-2012 |
Patent application number | Description | Published |
20110064049 | METHOD OF HANDOVER BETWEEN COMMUNICATION NETWORK AND BROADCAST NETWORK FOR PROVIDING BROADCAST CONTENT, COMMUNICATION NETWORK HANDOVER CONTROLLER, AND BROADCAST NETWORK HANDOVER CONTROLLER - Provided is a method for performing handover between a communication network and a broadcast network by a handover controller of a first network corresponding to either the communication network or the broadcast network. The method for performing handover includes: searching for a second network capable of providing the same broadcast content broadcasted over the first network; performing a handover preparation procedure between the communication network and the broadcast network with a handover controller of the second network; delivering the broadcast content broadcasted over the first network to the handover controller of the second network; and sending a message requesting a terminal to watch, over the second network, the broadcast content broadcasted over the first network. | 03-17-2011 |
20110206002 | METHOD AND APPARATUS FOR HANDOVER BETWEEN COMMUNICATION NETWORK AND BROADCAST NETWORK - An exemplary embodiment of the present invention provides a method of commanding, by a handover control apparatus, a group of terminals to perform handover from a broadcasting network to a communication network, the method comprising generating a handover indication message including service information for identifying the group of terminals and transmitting the handover indication message to the group of terminals. | 08-25-2011 |
20130166775 | LOAD BALANCING APPARATUS AND LOAD BALANCING METHOD - Provided are a load balancing apparatus, which is configured to prevent an overload from occurring and perform effectively a load balancing operation even for servers distributed throughout a network, and a load balancing method performed using the same. the method may include determining whether a data packet received from a client may be a packet requiring a load balancing operation, determining at least one of physical servers provided in a distributed server farm as an target server to provide a service to the client, depending on the judgment, determining a forwarding path between the client and the target server, determining a header rewriting node, and referring the forwarding path and the header rewriting node to determine a forwarding rule and load the forwarding rule on a switch provided on the forwarding path. | 06-27-2013 |