it is not illegal nor against any forum rules here. but good luck.
just an fyi
sh files store exclusive chip ID's,they are used to communicate with apple and upon approval from apple via itunes,apple will generate unique signatures for your device and encrypt them for you making them useless so you cant do anything with them other than let your itunes use them.
lots of peeps have tried to do that but no one has been able to get that job done bro.
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