MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Asymmetric Ciphers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
n = 35; e = 5; C = 10. What is the plaintext (use RSA) ? |
| A. | 3 |
| B. | 7 |
| C. | 8 |
| D. | 5 |
| Answer» E. | |
| 2. |
p = 17; q = 31; M = 2 |
| A. | 254 |
| B. | 423 |
| C. | 128 |
| D. | 523 |
| Answer» D. 523 | |
| 3. |
p = 11; q = 13; M = 7 |
| A. | 84 |
| B. | 124 |
| C. | 106 |
| D. | 76 |
| Answer» D. 76 | |
| 4. |
p = 7; q = 11; M = 8 |
| A. | 19 |
| B. | 57 |
| C. | 76 |
| D. | 59 |
| Answer» C. 76 | |
| 5. |
p = 5; q = 11; M = 9 |
| A. | 43 |
| B. | 14 |
| C. | 26 |
| D. | 37 |
| Answer» C. 26 | |
| 6. |
p = 3; q = 11; M = 5 |
| A. | 28 |
| B. | 26 |
| C. | 18 |
| D. | 12 |
| Answer» C. 18 | |
| 7. |
For p = 11 and q = 19 and choose e=17. Apply RSA algorithm where message=5 and find the cipher text. |
| A. | C=80 |
| B. | C=92 |
| C. | C=56 |
| D. | C=23 |
| Answer» B. C=92 | |
| 8. |
In RSA, we select a value e such that it lies between 0 and (n) and it is relatively prime to (n). |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
In RSA, (n) = _______ in terms of p and q. |
| A. | (p)/(q) |
| B. | (p)(q) |
| C. | (p-1)(q-1) |
| D. | (p+1)(q+1) |
| Answer» D. (p+1)(q+1) | |
| 10. |
In the RSA algorithm, we select 2 random large values p and q . Which of the following is the property of p and q ? |
| A. | p and q should be divisible by (n) |
| B. | p and q should be co-prime |
| C. | p and q should be prime |
| D. | p/q should give no remainder |
| Answer» D. p/q should give no remainder | |
| 11. |
Find the ciphertext for the message {100110101011011} using superincreasing sequence { 1, 3, 5, 11, 35 } and private keys a = 5 and m=37. |
| A. | C = ( 33, 47, 65 ) |
| B. | C = ( 65, 33, 47 ) |
| C. | C = ( 47, 33, 65 ) |
| D. | C = ( 47, 65, 33 ) |
| Answer» D. C = ( 47, 65, 33 ) | |