This tool will encrypt a text using the XTEA algorithm. XTEA is a 64-bit block Feistel network with a 128-bit key and a suggested 64 rounds. XTEA (eXtended TEA) is a block cipher designed to correct weaknesses in TEA.

You might also like the XTEA decrypt tool.

About TEA

TEA = Tiny Encryption Algorithm, by David Wheeler and Roger Needham of the Cambridge Computer Laboratory.

TEA is a Feistel cipher with XOR and and addition as the non-linear mixing functions.