An administrator intends to configure an IPSec solution that provides ESP with integrity protection, but not
confidentiality protection. Which of the following AES modes of operation would meet this integrity-only
requirement?
A.
GMAC
B.
PCBC
C.
CBC
D.
GCM
E.
CFB
A) should be HMAC.
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6
Yes, in the corrected versions floating around, A is HMAC and is correct.
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