___________ substitution is a process that accepts 48 bits from the XOR operation.
A. S-box.
B. P-box.
C. Expansion permutations.
D. Key transformation.
Answer:A
___________ substitution is a process that accepts 48 bits from the XOR operation.
A. S-box. B. P-box. C. Expansion permutations. D. Key transformation.