uint32_t conn_mw_ble_gap_lesc_dhkey_reply(uint8_t const * const p_rx_buf,
uint32_t rx_buf_len,
uint8_t * const p_tx_buf,
uint32_t * const p_tx_buf_len)
{
SER_ASSERT_NOT_NULL(p_rx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf_len);
uint32_t err_code = NRF_SUCCESS;
uint32_t sd_err_code;
uint16_t conn_handle;
ble_gap_lesc_dhkey_t dhkey;
ble_gap_lesc_dhkey_t * p_dhkey = &dhkey;
err_code = ble_gap_lesc_dhkey_reply_req_dec(p_rx_buf, rx_buf_len, &conn_handle, &p_dhkey);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
sd_err_code = sd_ble_gap_lesc_dhkey_reply(conn_handle, p_dhkey);
err_code = ble_gap_lesc_dhkey_reply_rsp_enc(sd_err_code, p_tx_buf, p_tx_buf_len);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
return err_code;
}
/**@brief Function for handling BLE Stack events common to both the central and peripheral roles.
* @param[in] conn_handle Connection Handle.
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void on_ble_evt(uint16_t conn_handle, ble_evt_t * p_ble_evt)
{
ret_code_t err_code;
uint8_t passkey[BLE_GAP_PASSKEY_LEN + 1];
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
NRF_LOG_PRINTF("BLE_GAP_EVT_SEC_PARAMS_REQUEST\n");
break;
case BLE_GAP_EVT_PASSKEY_DISPLAY:
memcpy(passkey, p_ble_evt->evt.gap_evt.params.passkey_display.passkey, BLE_GAP_PASSKEY_LEN);
passkey[BLE_GAP_PASSKEY_LEN] = 0x00;
NRF_LOG_PRINTF("BLE_GAP_EVT_PASSKEY_DISPLAY: passkey=%s match_req=%d\n", passkey, p_ble_evt->evt.gap_evt.params.passkey_display.match_request);
err_code = sd_ble_gap_auth_key_reply(conn_handle, BLE_GAP_AUTH_KEY_TYPE_PASSKEY, NULL);
APP_ERROR_CHECK(err_code);
/* Due to DRGN-7235, dhkey_reply() must come after auth_key_reply() */
APP_ERROR_CHECK_BOOL(m_dhkey_req);
err_code = sd_ble_gap_lesc_dhkey_reply(conn_handle, &m_lesc_dhkey);
APP_ERROR_CHECK(err_code);
m_dhkey_req = 0;
break;
case BLE_GAP_EVT_AUTH_KEY_REQUEST:
NRF_LOG_PRINTF("BLE_GAP_EVT_AUTH_KEY_REQUEST\n");
break;
case BLE_GAP_EVT_LESC_DHKEY_REQUEST:
NRF_LOG_PRINTF("BLE_GAP_EVT_LESC_DHKEY_REQUEST\n");
err_code = ecc_p256_shared_secret_compute(&m_lesc_sk.sk[0], &p_ble_evt->evt.gap_evt.params.lesc_dhkey_request.p_pk_peer->pk[0], &m_lesc_dhkey.key[0]);
APP_ERROR_CHECK(err_code);
m_dhkey_req = 1;
break;
case BLE_GAP_EVT_AUTH_STATUS:
NRF_LOG_PRINTF("BLE_GAP_EVT_AUTH_STATUS: status=0x%x bond=0x%x lv4: %d kdist_own:0x%x kdist_peer:0x%x\n", p_ble_evt->evt.gap_evt.params.auth_status.auth_status,
p_ble_evt->evt.gap_evt.params.auth_status.bonded,
p_ble_evt->evt.gap_evt.params.auth_status.sm1_levels.lv4,
*((uint8_t *)&p_ble_evt->evt.gap_evt.params.auth_status.kdist_own),
*((uint8_t *)&p_ble_evt->evt.gap_evt.params.auth_status.kdist_peer));
break;
default:
// No implementation needed.
break;
}
}
