how to transmitt encryption data with nRF51 SDK9 hrm example?

[Mikhail]

I just want to understand concept. For example, I need transmit battery level, heart rate level and other.. in closed (encrypted characteristic). I use S130 nRF51 SDK9. HRS example. If I run this example, on my smartfone I can see all of this data. But data not crypted. I use s130 in advertise mode.

I need underastand concept what I sould do to crypted it? Is it necessary add to

static void gap_params_init(void) ()

uint8_t passkey[] = "123456";

ble_opt_t static_pin_option;
static_pin_option.gap_opt.passkey.p_passkey = passkey;
err_code = sd_ble_opt_set(BLE_GAP_OPT_PASSKEY, &static_pin_option);
APP_ERROR_CHECK(err_code);

Or I need add another fields more? With those added lines, I don't see crypted data on smartfone. Why?

[Mikhail]

Thanks. therefore, for crypted characteristics, my code like above is enought and correct? Or does it have another method for crypted data?

[Hung Bui]

If you see the phone is bonded to your device, then the link is encrypted. Check the bonding list in Bluetooth setting in the phone.