±M§Q US8066181 - RF transaction authentication using a random number

A system and method for securing Radio Frequency Identification (RFID) transactions is provided. An exemplary method includes using a random number in an authentication tag and authorizing an RF transaction in response to verifying the authentication tag. The method may also involve variously validating...http://www.google.com.tw/patents/US8066181?utm_source=gb-gplus-share±M§Q US8066181 - RF transaction authentication using a random number