[20 pts] Assume that Bob wants to send a secret message to Alice using RSA encryption. (a) [5pts] (Key generation step) Assume A
lice generated random primes p = 5 and q = 11. Is 11 an acceptable value for her public exponent e? (b) [5pts] (Key generation step) Assume Alice generated random primes p = 5, q = 11, and the public exponent e = 3. What should be the value of d? (c) [5pts] (Encryption step) Assume Alice generated random primes p = 5, q = 11. Can Bob encrypt the message m = 2? (d) [5pts] (Encryption step) Assume Alice generated random primes p = 5, q = 11 and the public exponent e = 7. What is the cipher c of the Bob’s message m = 3. (e) [5pts] (Decryption step) Assume Alice generated random primes p = 5, q = 11 and the public exponent e = 7. What is the value of m if c = 3?
1 answer:
Answer:
a)Yes Alice can pick 11 has value for her public exponent e
b) The value of d when the public exponent e = 3 is 37
c) The cipher c of the Bob’s message m =2 is 8
d) The cipher c of the Bob’s message m =3 is 18
e) The value of m if c = 3 and the public exponent e = 7 is 16
Explanation:
Find attached the explanation
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Answer:
B. {1, 2, 2, 3, 3, 4, 5}
Explanation:
Given
The above code segment
Required
Determine which list does not work
The list that didn't work is
Considering options (A) to (E), we notice that only list B has consecutive duplicate numbers i.e. 2,2 and 3,3
All other list do not have consecutive duplicate numbers
Option B can be represented as:
if (nums.get(j).equals(nums.get(j + 1)))
The above if condition checks for duplicate numbers.
In (B), when the elements at index 1 and 2 (i.e. 2 and 2) are compared, one of the 2's is removed and the Arraylist becomes:
The next comparison is: index 3 and 4. Meaning that comparison of index 2 and 3 has been skipped.
<em>This is so because of the way the if statement is constructed.</em>