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2017-06-05wsutil: Add XTEA block cipherAhmad Fatoum1-0/+70
XTEA is a 64-bit block Feistel cipher with a 128-bit key and a suggested 64 rounds. It's used by the MMORPG Tibia for encrypting game server traffic. Usual XTEA treats the blocks as big-endian. Tibia treats them as little endian, therefore both versions are provided. Change-Id: I9ad0c8e066f848b20772ce4e1d3df19deff307b8 Reviewed-on: https://code.wireshark.org/review/21942 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Peter Wu <peter@lekensteyn.nl>