629   if (session->psk_key)  in coap_session_mfree()
630     coap_delete_bin_const(session->psk_key);  in coap_session_mfree()
1485     session->psk_key = coap_new_bin_const(setup_data->psk_info.key.s,  in coap_new_client_session_psk2()
1487     if (!session->psk_key) {  in coap_new_client_session_psk2()
1542                              const coap_bin_const_t *psk_key  in coap_session_refresh_psk_key()  argument
1545   coap_bin_const_t *old_psk_key = session->psk_key;  in coap_session_refresh_psk_key()
1547   if (psk_key && psk_key->s) {  in coap_session_refresh_psk_key()
1548     if (session->psk_key) {  in coap_session_refresh_psk_key()
1549       if (coap_binary_equal(session->psk_key, psk_key))  in coap_session_refresh_psk_key()
1552     session->psk_key = coap_new_bin_const(psk_key->s, psk_key->length);  in coap_session_refresh_psk_key()
1553     if (!session->psk_key) {  in coap_session_refresh_psk_key()
1560     session->psk_key = NULL;  in coap_session_refresh_psk_key()
1621     return session->psk_key;  in coap_session_get_psk_key()