krb5_dbe_compute_salt
krb5_dbe_compute_salt(krb5_context context, const krb5_key_data *key,
retval = krb5_dbe_compute_salt(context, client_key, client_princ,
ret = krb5_dbe_compute_salt(context, rock->client_key,
ret = krb5_dbe_compute_salt(context, &entry->key_data[i], entry->princ,