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Bluetooth: Mesh: fix provisionee public key usage

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Provisionee shall fail if provisioner sent public key
identicall to OOB public key back.

Signed-off-by: Aleksandr Khromykh <aleksandr.khromykh@nordicsemi.no>
This commit is contained in:
Aleksandr Khromykh 2023-06-21 10:48:10 +02:00 committed by Carles Cufí
parent 3bef10f398
commit 10ef3b46d8
1 changed files with 7 additions and 0 deletions
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7
subsys/bluetooth/mesh/prov_device.c
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@ -357,6 +357,13 @@ static void prov_pub_key(const uint8_t *data)
return;
}
if (!memcmp(bt_mesh_prov->public_key_be,
bt_mesh_prov_link.conf_inputs.pub_key_provisioner, PDU_LEN_PUB_KEY)) {
LOG_ERR("Public keys are identical");
prov_fail(PROV_ERR_NVAL_FMT);
return;
}
/* No swap needed since user provides public key in big-endian */
memcpy(bt_mesh_prov_link.conf_inputs.pub_key_device, bt_mesh_prov->public_key_be,
PDU_LEN_PUB_KEY);