https://devzone.nordicsemi.com/f/nordic-q-a/46044/ltk-zephyr-centralI can pair and bond as a Zephyr central via bt_conn_auth_register &amp; bt_conn_security(). When the bond is successful I get a callback to cb_pairing_success(struct bt_conn *con, boot is_bonded). My question is, how to I access the LTK so that I canen-USTelligent Community 13Fri, 12 Apr 2019 12:46:34 GMThttps://devzone.nordicsemi.com/thread/181857?ContentTypeID=1Fri, 12 Apr 2019 12:46:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:49ea066e-4b00-40d9-8543-4e5ce7e477d7Joakim Andersson<p>Hi.</p> <p>The host will handle saving of the LTK, as long as you have BT_SETTINGS and flash storage enabled.</p> <p>Make sure these configs are set:</p> <p>CONFIG_FLASH=y<br />CONFIG_FLASH_PAGE_LAYOUT=y<br />CONFIG_FLASH_MAP=y<br />CONFIG_FCB=y<br />CONFIG_SETTINGS=y<br /><br />Then you need to call settings_load() after bt_enable()</p> <p>See&nbsp;samples/bluetooth/peripheral/src/main.c</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/181559?ContentTypeID=1Thu, 11 Apr 2019 11:37:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:99d0008b-03e6-4b71-9b80-6ac94677adfe&#216;yvind<p>Hello,&nbsp;<br /><br />Questions regarding the Zephyr&nbsp;Bluetooth&nbsp;API is something we can&#39;t help with, I&#39;m sorry. Even though Zephyr has support for our devices, we do not have support for Zephyr.&nbsp;<br /><br />Please use one of their support channels found <a href="https://www.zephyrproject.org/about/#contact-us">here</a>.<br /><br />Kind regards,<br />Øyvind</p><div style="clear:both;"></div>