The Lord's Righteousness

The Bible says that we are covered in robes of righteousness because he who knew no sin were made sin for us. And now Jacob in a very pivotal time of his life, God comes and he says, I am El Shaddai. The Lord of ourrighteousness is spelled T-S-I-D-K-E-N-U. Where does the peace of God come from? Jehovah Shalom.