UGC NET Computer Science December 2019 | Question 75

Question 75

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Which of the following is not needed by an encryption algorithm used in Cryptography?

1. 1. KEY
2. 2. Message
3. 3. Ciphertext
4. 4. User details
5. 5. Both option 3 and option 4

Answer : 5. Both option 3 and option 4

Explanation

To Encrypt, an algorithm it requires Plain Text(or Message) and Key(either public or private).

But it does not require User details.
"cipher text" is not relevant option.

So, option 5 is correct answer.

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