https://devzone.nordicsemi.com/f/nordic-q-a/79200/unable-to-get-ecdh-shared-secretHi We are using nrf mesh Android code from GitHub and trying to get shared secret during the Provisioning Public Key PDU Process. We are getting following error -(We are using the code as it is) java.security.spec.InvalidKeySpecException: Must useen-USTelligent Community 13Fri, 03 Sep 2021 09:56:59 GMThttps://devzone.nordicsemi.com/thread/327938?ContentTypeID=1Fri, 03 Sep 2021 09:56:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:90547cb4-cd8f-4661-a006-5ccad43bd80dMttrinh<p>Hi,</p> <p>Can you test using our <a href="https://play.google.com/store/apps/details?id=no.nordicsemi.android.nrfmeshprovisioner&amp;hl=no&amp;gl=US" rel="noopener noreferrer" target="_blank">nRF Mesh app</a> from from the Google Play store? Do you see the issue there as well?</p> <p>The library should handle all of this when you start provisioning.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/327824?ContentTypeID=1Thu, 02 Sep 2021 13:49:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cd3b1c6b-b318-4e08-8af0-3f92368dcd91Vithika<p>Yes we are referring same ,but&nbsp; we are getting the error. We are unable to get shared secret nor generate pairs using this code.</p> <p>We are getting the error as above&nbsp;<span>java.security.spec.InvalidKeySpecException: Must use ECPublicKeySpec or X509EncodedKeySpec; was org.spongycastle.jce.spec.ECPublicKeySpec&nbsp;</span><span>&nbsp;.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/327821?ContentTypeID=1Thu, 02 Sep 2021 13:38:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:938e6452-9de5-4439-9e96-d02ebd0e8cd5Mttrinh<p>Hi,</p> <p>Are you using the latest version of <a href="https://github.com/NordicSemiconductor/Android-nRF-Mesh-Library/tree/v3.1.6" rel="noopener noreferrer" target="_blank">Android-nRF-Mesh-Library</a>(3.16) from our Github?</p><div style="clear:both;"></div>