AES Encryption Algorithm Implemented On RFID System

RFID(Radio Frequency Identification)technology is an automatic identification technology which is rising in 60's and being more maturate in 90's, it is a non-contact data acquisition and automatic recognition technology.Contract with other automatic identification technology,RFID has advantages of speed,stability,large storage space,and good security performance.But because of the openness RFID communication,RFID application take a risk of being attacked,security and privacy issues become a constraint bottleneck to its further development.Based on the research of The Advanced Encryption Standard,AES algorithm is applied to RFID system to ensure the safety of between's data transmission.The paper introduces the basic structure and working principle of the RFID system,analysis of the basic principles, the design principle,and the structure of the AES algorithm And then, the paper gives the analysis of AES's security and anti-attack capability.The paper also discusses the hardware implementation of AES algorithm detailed,and uses the basic structure of feedback mode to achieve encryption and decryption operation. The top-down approach to the design of hardware module work. The completion of the hardware describe language of all the module functionality test, And meet the requirements of the protocol RFID.