This new version of xor-kpa adds the option -x to encode/decode, and also prints the hexadecimal value of the found keys.
xor-kpa_V0_0_4.zip (https)
MD5: FCE75B6125104D8AFC56A67B65FF75C0
SHA256: 3DCCA479D4C8CAC9B248B24F799184A69D0F10403593CB002248DD35CCE60FD4
