中圖分類號： TN911 文獻標識碼： A DOI：10.16157/j.issn.0258-7998.200237 中文引用格式： 臧俊斌，白洋. 基于RFID二次認證加密的智能識別系統(tǒng)設計[J].電子技術應用，2021，47(6)：77-81. 英文引用格式： Zang Junbin，Bai Yang. Design of twice authentication and encryption intelligent recognition system based on RFID[J]. Application of Electronic Technique，2021，47(6)：77-81.
Design of twice authentication and encryption intelligent recognition system based on RFID
Zang Junbin1,2，Bai Yang2
1.Key Laboratory of Instrumentation Science & Dynamic Measurement，Ministry of Education North University of China， Taiyuan 030051，China； 2.North University of China，Shuozhou 036000，China
Abstract： According to the low cost and convenient application demand of current intelligent security system, a novel identification system is designed in order to improve the convenience and stability of RFID in practical application based on RFID secondary authentication and encryption.The system is primarily come out of the key storage partition of MIFARE-S50 and any data partition,used the irreversibility of hash code algorithm, and UID is used as the authentication part in the key of intelligent recognition system.Only when the data and UID are authenticated twice by the system, then the smart card can be recognized and made relevant identification actions. At the same time, if system encounter a copy card, it can effectively identify and prevent the authentication.The system supports three working modes that are the registration mode, operating mode and logout mode, which can effectively ensure the privacy and information security of users.Actual experimental results show that the system has high security,good stability,and is convenient and easy to operate. And it has high application and practical value，and can be used in schools，communities，companies and other medium-sized RFID intelligent security systems to limit the invasion of illegal personnel.
Key words : RFID；MFRC522；authentication and encryption；intelligent recognition system
