/usr/include/wireshark/epan/crypt/ is in libwireshark-dev 1.6.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/wireshark/epan/crypt/airpdcap_debug.h
/usr/include/wireshark/epan/crypt/airpdcap_int.h
/usr/include/wireshark/epan/crypt/airpdcap_interop.h
/usr/include/wireshark/epan/crypt/airpdcap_rijndael.h
/usr/include/wireshark/epan/crypt/airpdcap_system.h
/usr/include/wireshark/epan/crypt/airpdcap_user.h
/usr/include/wireshark/epan/crypt/airpdcap_ws.h
/usr/include/wireshark/epan/crypt/crypt-aes.h
/usr/include/wireshark/epan/crypt/crypt-des.h
/usr/include/wireshark/epan/crypt/crypt-md4.h
/usr/include/wireshark/epan/crypt/crypt-md5.h
/usr/include/wireshark/epan/crypt/crypt-rc4.h
/usr/include/wireshark/epan/crypt/crypt-sha1.h
/usr/include/wireshark/epan/crypt/wep-wpadefs.h