Multiple choice

Which of the following statement(s) is/are true?

  1. Secret key encryption is called asymmetric key encryption.

  2. DES(Data Encryption Standard )is based on symmetric key encryption.

  3. Secret key encryption ensures confidentiality of the message.

  4. Secret key encryption does not authenticate identity of the source.

  5. All of the above.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Yes, all the statements are true.

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