L_CERT
L_CERT(_PATH_HOST_ECDSA_KEY_FILE, 0);
L_CERT(_PATH_HOST_ED25519_KEY_FILE, 1);
L_CERT(_PATH_HOST_RSA_KEY_FILE, 2);
L_CERT(_PATH_HOST_DSA_KEY_FILE, 3);
L_CERT(_PATH_HOST_XMSS_KEY_FILE, 8);