you cant keep holding the properties of the devil if u are actually sorry or born again. yes,restitution is very important but there are extreme cases u just cannot restitute.in dis case it is not totaly d devils property, good percentage of it must have come from u. so it is not necessary.Ask God for forgiveness, and those that were offended or hurt by your acts(if u can reach them) and allow God to determine ur fate(punishment),live a Holy life(academically). avoid punishing ur self or burning ur certificate, that certificate might become valid after God's chastening.most importantly, let God direct u.