Bluetooth LE OOB Pairing

RE: Bluetooth LE OOB Pairing

Amanda Hsieh — Thu, 30 Jan 2025 22:29:43 GMT

Do you add the .oob_data_request callback in the conn_auth_callbacks structure to handle such events as this line?

Do you enable CONFIG_NFC_NDEF_LE_OOB_REC=y and CONFIG_NFC_NDEF_LE_OOB_REC_PARSER=y in your prj.conf?

You can take a look at this post which also got pairing fails with the code 0x03 (BT_SECURITY_ERR_OOB_NOT_AVAILABLE). Not sure it can help or not, but it's worth checking it.

RE: Bluetooth LE OOB Pairing

Portilha — Wed, 29 Jan 2025 10:02:53 GMT

Hello,

I did not use that sample because I am using a dedicated NFC reader with card emulation capabilities. The process I am using is very similar to the one of the demo. I encode the bluetooth NDEF record into the shield, set the OOB Data request callback and start the advertise.

When I don´t set the oob_data flag, and I touch the shield with the smartphone, the pairing procedure starts but then it changes to numeric comparison to finish the pairing.

If I set the oob_data flag the pairing fails with the code 0x03 (BT_SECURITY_ERR_OOB_NOT_AVAILABLE). Additionally, the oob_data callback is not triggered. Can you tell me if there is any configuration needed? Or how I can trigger the callback?

BR.

RE: Bluetooth LE OOB Pairing

Amanda Hsieh — Tue, 28 Jan 2025 20:25:56 GMT

Did you test with Bluetooth: NFC pairing sample? Do you get the same issue?

What NCS version are you using?

RE: Bluetooth LE OOB Pairing

Portilha — Tue, 28 Jan 2025 14:09:47 GMT

Hello,

I have already checked that sample. However, in my case I cannot trigger the '

auth_oob_data_request' callback. Do you have any idea why that might be happening?

RE: Bluetooth LE OOB Pairing

Amanda Hsieh — Tue, 28 Jan 2025 13:27:39 GMT

Hi,

Check out this Bluetooth: NFC pairing sample.

Regards,
Amanda H.