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