Abstract
Radio frequency identification (RFID) systems can be applied to various areas. A RFID system is composed of tag, reader and host computer. The reader has an antenna for transferring the energy and sending/receiving of data. Recently, wireless communication between Reader and Host Computer isused much. In addition, wireless communication is good for mobility. But, wireless communication is weak to security, because everybody can take the ID Data. We suggest a solution to this problem, as ID data from tag is transferred to host computer by new encryption technology in the reader. In this paper, we show a algorithm that sends ID Data from reader to the receiver over wireless network using CC1020 chip. From this, the paper explains the system transferring ID data to the host computer over wireless. We proposed the secure RFID transmission-encryption technology for block cipher with OFB mode and stream cipher. The system contains a security agent for security managements and services.
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