Multiple choice

Which of the following information is not issued by a Certification Authority (CA) for X.509 Certificates?

  1. Signature algorithm identifier

  2. Issuer X.500 name (CA)

  3. Subject public-key info (algorithm, parameters, key)

  4. Period of validity (from - to dates)

  5. User's keys

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

CA does not provide any user's keys for the X.509 certificates.