ipsec_valid_key_size
if (!ipsec_valid_key_size(key->sadb_key_bits, aalg)) {
if (!ipsec_valid_key_size(akey->sadb_key_bits, aalg)) {
(!ipsec_valid_key_size(keybits, ealg))) {
extern boolean_t ipsec_valid_key_size(uint16_t, ipsec_alginfo_t *);