Which of the Following Best Describes a One-Way Function

question 42

Multiple Choice

Which of the following best describes a one-way function?

• A) a bit string that prevents generation of the same ciphertext
• B) random bits used as input for key derivation functions
• C) generates secret keys from a secret value
• D) easy to compute but difficult and time consuming to reverse

---

Definitions:

Mare

A dark, low-lying, relatively smooth area on the Moon consisting of basalt.

Lunar Highlands

Rough, mountainous regions on the moon's surface, characterized by their lighter color and higher altitude than the lunar maria.

Mare

Latin for "sea," often used to describe the large, dark basaltic plains on the Moon, formed by ancient volcanic eruptions.

Lunar Highlands

Elevated, mountainous regions on the moon's surface, characterized by high albedo, heavy cratering, and made predominantly of anorthosite.