The _________ and _________ block cipher modes of operation are used for authentication.
A)OFB,CTR
B)ECB,CBC
C)CFB,OFB
D)CBC,CFB

Name: The _________ and _________ block cipher modes of operation are used for authentication. A)OFB,CTR B)ECB,CBC C)CFB,OFB D)CBC,CFB
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Question

Quizplus · Accepted Answer

CBC (Cipher Block Chaining) and CFB (Cipher Feedback) modes can be used for authentication when combined with a proper MAC (Message Authentication Code) or padding scheme.

The _________ and _________ Block Cipher Modes of Operation Are

The _ and _ Block Cipher Modes of Operation Are