shroud (something) in (something else)
To conceal or obfuscate something within some state or condition. They have shrouded the contract in so much jargon and obscure language that no one but legal experts will be able to understand it. I don't understand why he is shrouding his plan in so much secrecy.
shroud someone or something in something
to wrap or conceal someone or something in something. They shrouded Mr. Carlson in sailcloth and prepared him for burial at sea. They shrouded the decision in a series of formalities.