To use AES_main.c (KAT and MCT) place AES_main.c, aes.h
and aes.c in the same directory and compile together then
run AES_main.exe.  The resulting files

cbc_d_m.txt
cbc_e_m.txt
ecb_d_m.txt
ecb_e_m.txt
ecb_vk.txt
ecb_vt.txt

will be created in the current working directory.