Primary definition
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. (SP 800-38C) (NISTIR)
Also known asCBC-MAC · Cipher Block Chaining MAC · CBC Message Authentication Code
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
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. (SP 800-38C) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Cipher Block Chaining Message Authentication Code – (cbc Mac). In Election Security Glossary. Retrieved August 14, 2026, from https://electionsecurityglossary.com/glossary/cipher-block-chaining-message-authentication-code-cbc-mac
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
Single-source
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