Cryptography does not directly provide what?

A.
Authentication

B.
Confidentiality

C.
Integrity

D.
Availability

Explanation:
Answer D is correct; cryptography does not directly provide availability.

Incorrect Answers and Explanations: A, B, and C: Answers A, B, and C are incorrect. Cryptography can authentication an identity claim (such as signing a document using a private key). Ciphers also protect confidentiality (secrets remain secret) and integrity (unauthorized data alteration).