L_PUBKEY
L_PUBKEY(_PATH_HOST_ECDSA_KEY_FILE, 4);
L_PUBKEY(_PATH_HOST_ED25519_KEY_FILE, 5);
L_PUBKEY(_PATH_HOST_RSA_KEY_FILE, 6);
L_PUBKEY(_PATH_HOST_DSA_KEY_FILE, 7);
L_PUBKEY(_PATH_HOST_XMSS_KEY_FILE, 9);