Question
Question 1 How many sub-keys are generated in the key schedule for DES? Question 1 options: 56 64 16 32 8 128 Question 2 What
Question 1
How many sub-keys are generated in the key schedule for DES?
Question 1 options:
56 | |
64 | |
16 | |
32 | |
8 | |
128 |
Question 2
What is the real size of the key in DES?
Question 2 options:
56 bits | |
64 bits | |
32 bits | |
28 bits | |
42 bits | |
64 and 56 bits |
Question 3
Suppose we have the following 64-bit block: {0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1}
What is the output of PC-1?
Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.
Question 4
Question 4 options:
Suppose we have the following 64-bit block: {0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1}
What is the output of PC-1?
Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.
Question 5
Suppose we have the following 56-bit block: {1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1}
What is the output of PC-2?
Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.
Suppose we have the following 56-bit block: {0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0}
What is the output of PC-2?
Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.
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