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What is the core difference between a MAC and Authenticated Encryption?
A. Authenticated Encryption and MACs are two terms for the same cipher suite.
B. Authenticated Encryption can encrypted and authenticate the message with one cipher, MACs only allow for authentication.
C. Authenticated Encryption requires Multi-Factor Authentication whereas MACs do not.
D. Authenticated Encryption can't be used with Galois Counter Mode, whereas MACs can.