sentences:  legacy hardware systems (perhaps embedded) where the amount of available RAM is minimal, or alternatively single-board computers such as the Raspberry Pi, Banana Pi or Arduino.An attack published in 2010 by E. Yarrkov presents a chosen-plaintext attack against full-round XXTEA with wide block, requiring 259 queries for a block size of 212 bytes or more, and negligible work.It is based on differential cryptanalysis.