Cryptography Hmac Daa Cmac Online Exam Quiz
Cryptography Hmac Daa Cmac GK Quiz. Question and Answers related to Cryptography Hmac Daa Cmac. MCQ (Multiple Choice Questions with answers about Cryptography Hmac Daa Cmac
What is the value of ipad in the HMAC structure?
Options
A : 00111110
B : 00110010
C : 10110110
D : 01110110
What is the value of opad in the HMAC structure?
Options
A : 00111110
B : 00110010
C : 10110110
D : 01011100
What is the full-form of CMAC?
Options
A : Code-based MAC
B : Cipher-based MAC
C : Construct-based MAC
D : Collective-based MAC
Data Authentication Algorithm (DAA) is based on
Options
A : DES
B : AES
C : MD-5
D : SHA-1
K2 is derived by left shifting L by 2 bits. What is L defined as?
Options
A : E(K , 0b)
B : E(K , 10*b)
C : E(K , 1b)
D : E(K , 10*1b)
In CMAC, which scenario is a different key K2 is used instead of K1?
Options
A : If the tag is larger than the key length
B : If the tag is shorter than the key length
C : In the last step of the algorithm
D : If the plaintext/message is not an integer multiple of the cipher clock length
Which mode of operation is used in the DAA?
Options
A : output feedback mode
B : electronic code block mode
C : cipher block chaining mode
D : cipher feedback mode
Cryptographic hash functions execute faster in software than block ciphers.
Options
A : Statement is correct
B : Statement is incorrect
C : Depends on the hash function
D : Depends on the processor
Which cryptographic algorithm is used in CMAC?
Options
A : Triple DES and AES
B : DES
C : RC-4
D : AES
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