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多选题
Which two steps does a receiver perform to validate a message using HMAC？ （）
A
decrypts the received MAC using a secret key
B
compares the computed MAC vs. the MAC received
C
authenticate the receivedmessage using the sender’s public key
D
look up the sender’s public key
E
extracts the MAC from the receivedmessage thenencrypts the received message with a secret keyto producethe MAC
F
Computes the MAC using the receivedmessage and a secret key as inputs to the hash function
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更多 “多选题Which two steps does a receiver perform to validate a message using HMAC？ （）Adecrypts the received MAC using a secret keyBcompares the computed MAC vs. the MAC receivedCauthenticate the receivedmessage using the sender’s public keyDlook up the sender’s public keyEextracts the MAC from the receivedmessage thenencrypts the received message with a secret keyto producethe MACFComputes the MAC using the receivedmessage and a secret key as inputs to the hash function” 相关考题
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