Which of the following is not true pertaining to 3DES?

As processing power increased, the computing society moved from DES to 3DES. Which of the following is not true pertaining to 3DES?

A.
Uses a key size of 112 bits

B.
Uses 48 rounds

C.
Approximately 256 times stronger than DES

D.
Can be used with 2 or 3 keys