| 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 |
