In Cmac Which Scenario Is A Different Key K2 Is Used Instead Of #502
In CMAC, which scenario is a different key K2 is used instead of K1?
This multiple choice question (MCQ) is related to the book/course
gs gs124 Introduction Cyber Security.
It can also be found in
gs gs124 Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution - HMAC, DAA and CMAC - Quiz No.1.
In CMAC, which scenario is a different key K2 is used instead of K1?
If the tag is larger than the key length
If the tag is shorter than the key length
In the last step of the algorithm
If the plaintext/message is not an integer multiple of the cipher clock length
