Implementation of Advanced Encryption Standard (AES) algorithm for secured wireless transmission of data using RFID

abstract

The intention of the project is to develop an embedded system for secured transmission of data. Data is retrieved from an RFID tag using RFID reader. The data is acquired as per the requirement from the sensor and sent to the microcontroller system. Microcontroller controls the data acquisition as per the requirements of the user. Then the data is processed in an embedded system and sent to the PC for encryption using one of the advanced standard algorithms. 

Encryption is the process of converting a plaintext message into cipher text which can be decoded back into the original message. An encryption algorithm along with a key is used in the encryption and decryption of data. There are several types of data encryptions which form the basis of network security. Encryption schemes are based on block or stream ciphers. The type and length of the keys utilized depend upon the encryption algorithm and the amount of security needed.

The encrypted data is sent to the server through an RF modem as the transmitter. At the receiver end, for servers, a microcontroller based decryption circuit is employed. The data can be processed and analyzed as per the requirements. For the security and attendance systems, can be preceded for further action.

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