Cryptography – Computer Networking
|Question 1 UGC NET June-2020 |
Given below are two statements:
Statement I: In Caesar Cipher each letter of Plain text is replaced by another letter for encryption.
Statement II: Diffie-Hellman algorithm is used for exchange of secret key.
In the light of the above statements, choose the correct answer from the options given below.
|A – Both Statement I and Statement II are true|
|B – Both Statement I and Statement II are false|
|C – Statement I is correct but Statement II is false|
|D – Statement I is incorrect but Statement II is true|
|Question 2 UGC NET June-2020 |
Using ‘RSA’ public key cryptosystem, if p=3, q=11 and d=7, find the value of e and encrypt the number ’19’
|A – 20,19|
|B – 33,11|
|C – 3,28|
|D – 77,28|