Methods and apparatuses to secure data transmission in RFID systems

摘要

Methods and apparatuses to secure data transmission in a radio frequency identification (RFID) system against eavesdropping, using multiple communication channels. In one embodiment, a method includes communicating key information and cipher text generated based on the key information, or plain text, using a plurality of different, distinct and separate communication channels connected to an RFID tag.

主权项

1. A communication system, comprising:
a first device; and a second device, the first device and the second device to communicate at least a portion of key information over a first communication channel and to communicate at least a portion of cipher text generated based on the key information using a second communication channel, wherein the first and second communication channels are distinct and separate from each other.