https://devzone.nordicsemi.com/f/nordic-q-a/38834/dhkey-reply-questionWith respect to Softdevice versions SDK_14.2.0_17b948a and SDK_15.0.0_a53641a I have a question about softdevice function: sd_ble_gap_lesc_dhkey_reply() and its parameter: If I understand this function&#39;s usage it maps to the Core specificationen-USTelligent Community 13Sat, 29 Sep 2018 16:33:50 GMThttps://devzone.nordicsemi.com/thread/150865?ContentTypeID=1Sat, 29 Sep 2018 16:33:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b1ad8d68-f6da-48fa-b3f2-40ac5e79e952natersoz<p>Thanks for the response. I&#39;m going to have to experiment with this some more,</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/150248?ContentTypeID=1Tue, 25 Sep 2018 12:18:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0c384f03-db99-4bc7-9a83-f38fdfef88cbrun_ar<p>Hi,</p> <p>As far as I can see from what you are linking to: <em>This message is used to transmit the 128-bit DHKey Check values (Ea/Eb)</em>.</p> <p>So there are two 128bit values Ea and Eb. See <em>2.2.8 LE Secure Connections Check Value Generation Function f6.</em></p><div style="clear:both;"></div>