MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Data Integrity Algorithms knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How many bit positions are active and can affect L[0, 0] in the Iota step function? |
| A. | 8 |
| B. | 12 |
| C. | 6 |
| D. | 7 |
| Answer» E. | |
| 2. |
Which is the only step function that provides non-linear mapping? |
| A. | Theta |
| B. | Rho |
| C. | Pi |
| D. | Chi |
| Answer» E. | |
| 3. |
In SHA-3, the Iota step function has a round constant which only works on the last lane. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The Chi function is defined as |
| A. | a[x] a[x] XOR ( a[x + 1]XOR 1) AND a[x+2]) |
| B. | a[x] a[x] AND ( a[x + 1]XOR 1) AND a[x+2]) |
| C. | a[x] a[x] AND ( a[x + 1] XOR a[x+2]) |
| D. | a[x] a[x] XOR ( a[x + 1] AND a[x+2]) |
| Answer» B. a[x] a[x] AND ( a[x + 1]XOR 1) AND a[x+2]) | |
| 5. |
The Rho function is defined as : a[x, y, z] a[x, y, z-g(t)], where g(t) is defined as |
| A. | (t+1)(t+2)/2 |
| B. | (t+1)(t-2)/2 |
| C. | (t-1)(t-2)/2 |
| D. | (t-1)(t+2)/2 |
| Answer» B. (t+1)(t-2)/2 | |
| 6. |
In the Theta step function, which is a substitution step, each bit value changes. Each bit is dependent on _________ other bits for its new value. |
| A. | 13 |
| B. | 4 |
| C. | 7 |
| D. | 11 |
| Answer» E. | |