Multiple choice

What is the function of the public key out of the pair of keys used in an electronic signature?

  1. To create an electronic signature

  2. To verify an electronic signature

  3. To create and verify an electronic signature

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Using a public key is to authenticate that a message originated with a holder of the paired private key; or to encrypt a message with a public key to ensure that only the holder of the paired private key can decrypt it.

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