Cipher Block Chaining-Message Authentication Code

nounid 1814·updated May 9, 2026

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A secret-key block-cipher algorithm used to encrypt data and to generate a Message Authentication Code (MAC) to provide assurance that the payload and the associated data are authentic.

MWE

Classifications

per-axis with provenance

Entity Type

Control85%llm-generatedllm:claude-haiku-4-5

Sensitivity

—60%llm-generatedllm:claude-haiku-4-5

Information Class

—50%llm-generatedllm:claude-haiku-4-5

Variants

4 surface forms

acronym: CBC-MAC
plural: Cipher Block Chaining-Message Authentication Codes
possessive: Cipher Block Chaining-Message Authentication Code's
pluralpossessive: Cipher Block Chaining-Message Authentication Codes'

Framework definitions

2 senses across 2 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: A secret-key block-cipher algorithm used to encrypt data and to generate a Message Authentication Code (MAC) to provide assurance that the payload and the associated data are authentic.

NIST SP 800-38C1 senseview framework →

§1: A secret-key block-cipher algorithm used to encrypt data and to generate a Message Authentication Code (MAC) to provide assurance that the payload and the associated data are authentic.

Outgoing relationships

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Incoming relationships

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