Question 1 (

Question 1 options:

Suppose you have the following 28-bit block: {0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1}.

Apply LS1 to the given 28-bit block.

Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.

Question 2

Suppose you have the following 28-bit block: {1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1}.

Apply LS3 to the given 28-bit block.

Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.

Question 3

Suppose you have the following 56-bit block: {0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0}.

Apply Transform 1 to the given 56-bit block to obtain the first sub-key.

Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.

Question 4

Suppose you have the following 56-bit block: {1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0}.

Apply Transform 5 to the given 56-bit block to obtain the fifth sub-key.

Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.

Question 5

Question 5 options:

Suppose you have the following 56-bit block: {1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1}.

Apply Transform 9 to the given 56-bit block to obtain the ninth sub-key.

Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.

Question 6

Suppose that the key for DES is the following 64-bit block: {1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1}.

What is the first sub-key?

Write the numbers separated with commas, leave one space after every comma. Do NOT use "{" or "}" in the answer.