Academic Research Online Publisher
Radio Frequency IDentification (RFID) is becoming a part of everyone's everyday life with a wide range of applications such as labeling products and supply chain management and etc. At the same time, security and privacy issues remain as an important problem, thus, with the large deployment of low resource devices such as RFID systems and sensor nodes, increasing need to provide security and privacy among such devices, has arisen. Accordingly, concept of lightweight cryptography is introduced. Encryption algorithms are classified into various types such as block and stream ciphers.