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Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution - Whirlpool Algorithm - Quiz No.1

gs gs124 Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution - Whirlpool Algorithm - Quiz No.1

gs gs124 Introduction Cyber Security Quiz

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Question 1: What is the correct order of operation within each round of the Whirlpool algorithm?
Add round key, Substitute bytes, Mix rows, Shift columns
Substitute bytes, Add round key, Shift columns, Mix rows
Mix rows, Substitute bytes, Shift columns, Add round key
Substitute bytes, Shift columns, Mix rows, Add round key
Question 2: What is the size of the s-box table/matrix in Whirlpool?
8 × 8
16 × 16
8 × 16
16 × 8
Question 3: The S-box implements linear mapping thus providing diffusion.
True
False
Question 4: Another name for the Whirlpool key is
CState
LState
Estate
KState
Question 5: How many round constants (RCs) are required in Whirlpool?
10
11
12
21
Question 6: The Round Constant is dependent on the s-box values.
True
False
Question 7: The Round Constant is given by S[8(r-1)+j]. What are the limits of ‘r’?
0 <= r <= 11
0 <= r <= 12
0 <= r <= 10
0 <= r <=16
Question 8: When the Round Constant is given by S[8(r-1)+j]. What are the limits of ‘i’ and ‘j’?
i = 1 ; 0 <= j <= 7
i = 0 ; 0 <= j <= 7
0 <= i <= 7; 0 <= j <= 7
0 <= i <= 7; j=0
Question 9: The 7th row in the 8 × 8 matrix undergoes a ___________ shift.
6 bit
6 byte
7 bit
7 byte
Question 10: How many XOR gate operations are involved in the S-box permutation?
12
8
16
4
Question 11: Which round provides linear diffusion in the Whirlpool Algorithm?
Add Key
Substitute Bytes
Mix Rows
Shift Rows
Question 12: What is the correct order of operation within each round of the Whirlpool algorithm?
Add round key, Substitute bytes, Mix rows, Shift columns
Substitute bytes, Add round key, Shift columns, Mix rows
Mix rows, Substitute bytes, Shift columns, Add round key
Substitute bytes, Shift columns, Mix rows, Add round key
Question 13: What is the size of the s-box table/matrix in Whirlpool?
8 × 8
16 × 16
8 × 16
16 × 8
Question 14: The S-box implements linear mapping thus providing diffusion.
True
False
Question 15: Another name for the Whirlpool key is
CState
LState
Estate
KState
Question 16: How many round constants (RCs) are required in Whirlpool?
10
11
12
21
Question 17: The Round Constant is dependent on the s-box values.
True
False
Question 18: The Round Constant is given by S[8(r-1)+j]. What are the limits of ‘r’?
0 <= r <= 11
0 <= r <= 12
0 <= r <= 10
0 <= r <=16
Question 19: When the Round Constant is given by S[8(r-1)+j]. What are the limits of ‘i’ and ‘j’?
i = 1 ; 0 <= j <= 7
i = 0 ; 0 <= j <= 7
0 <= i <= 7; 0 <= j <= 7
0 <= i <= 7; j=0
Question 20: The 7th row in the 8 × 8 matrix undergoes a ___________ shift.
6 bit
6 byte
7 bit
7 byte
Question 21: How many XOR gate operations are involved in the S-box permutation?
12
8
16
4
Question 22: Which round provides linear diffusion in the Whirlpool Algorithm?
Add Key
Substitute Bytes
Mix Rows
Shift Rows
Question 23: Mix Row functions operate on the 8 × 8 matrix (A) to form the new matrix. The operation can be considered to be B = AC. The matrix C is formed by
each successive even row having left shifts
each successive row having a left shifts
each successive odd row having right shifts
each successive row having a right shifts
Question 24: Which of the following hexadecimal values are not present in the matrix C of the Mix Rows function?
01
09
05
03
Question 25: There’s no known successful attacks made against Whirlpool.
True
False
Question 26: Which hash algorithm is the most hardware intensive among the following?
SHA-1
SHA-2
MD-5
Whirlpool
Question 27: Which algorithm has the most execution latency?
SHA-1
SHA-2
MD-5
Whirlpool
Question 28: Which among the following has not been broken yet( still collision free)?
MD-5
SHA-1
DES
SHA-2
Question 29: Before the first round of the Whirlpool algorithm, which is the operation that takes place?
Addition of Key
Substitution of Bytes
Mixing of Rows
Shifting of Columns
Question 30: How many rounds does the Whirlpool algorithm undergo?
12
14
10
16
Question 31: Each round uses a different key in the algorithm.
True
False
Question 32: What is the size of the key in the algorithm?
256 bits
512 bits
128 bits
1024 bits
Question 33: How many add round key functions are present in the Whirlpool algorithm?
16
18
11
10

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