In What Type of Attack Does the Attacker Have the Ciphertext

question 38

Multiple Choice

In what type of attack does the attacker have the ciphertext of several messages that were encrypted with the same encryption algorithm,but has no access to the plaintext so he or she must try to calculate the key used to encrypt the data?

• A) chosen-ciphertext
• B) chosen-plaintext
• C) known plaintext
• D) ciphertext-only

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Definitions:

Genetically Inherited

Traits or characteristics passed down from parents to offspring through genes.

Physiological Origin

The source or cause of a phenomenon or condition rooted in the body's physical and biological functions.

Voluntarism

A theory or system that emphasizes the role of individual will or intention in decision making or the shaping of events.

Cognitism

The psychological theory that cognitive processes are essential to understanding human behavior and interactions, focusing on thoughts, perceptions, and information processing.