Which of the following is a true statement pertaining to data encryption when it is used to protect data?

DES performs how many rounds of permutation and substitution?

What process takes place after creating a DES session key?

Who was involved in developing the first public key encryption system?

What does the acronym DEA stand for?

Which of the following best describes a certificate authority?

What does DES stand for?

When would a certificate authority revoke a certificate?

How many bits make up the effective DES key?

Which of the following best describes a digital signature?