Certified Ethical Hacker (CEH v11) — Question 163

PGP, SSL, and IKE are all examples of which type of cryptography?

Answer options

• A. Digest
• B. Secret Key
• C. Public Key
• D. Hash Algorithm

Correct answer: C

Explanation

The correct answer is C, Public Key, as PGP, SSL, and IKE utilize asymmetric cryptography which involves a pair of keys for encryption and decryption. The other options, such as Digest and Hash Algorithm, refer to different processes of data integrity, while Secret Key cryptography uses a single key for both encryption and decryption.