Bob and Raj share a file under two-person control: Neither can open the file unless both provide their passphrases. Which of the following are true? Select all that apply.
A. Bob and Raj share a KEK.
B. Bob and Raj do not share a KEK.
C. Bob can calculate the CEK independently of Raj.
D. Bob and Raj provide separate KEKs to produce the CEK.
E. Bob and Raj share a CEK
