sshkey_is_shielded
if (sshkey_is_shielded(k) && (r = sshkey_unshield_private(k)) != 0)
if (!sshkey_is_shielded(k))
int was_shielded = sshkey_is_shielded(key);
int was_shielded = sshkey_is_shielded(key);
int was_shielded = sshkey_is_shielded(key);
int sshkey_is_shielded(struct sshkey *);