AES_ENCRYPT_IMPL
#define AES_ENCRYPT_IMPL(a, b, c, d, e) rijndael_encrypt(a, b, c, d, e)
#define AES_ENCRYPT_IMPL(a, b, c, d, e) rijndael_encrypt(a, b, c, d)
#define AES_ENCRYPT_IMPL(a, b, c, d, e) aes_encrypt_impl(a, b, c, d)