Hi All, I was trying to follow Jan's solution here but I accidentally deleted the dummy-root-ca-cert-key that was already there. Is it unique for the mac address of my Cc3220Sf or can I download somewhere? Also, I am new to this and although Jan kindly guide to do this:  " file boot-energia.bin need to be uploaded by Uniflash as MCU image (including all certificates, keys, etc. - see http://www.ti.com/lit/pdf/swru469 )"  I couldn't figure out the certificate part. Should