TERM

Counter with Cipher Block Chaining-Message Authentication Code

A block cipher mode [SP38C] that provides both data confidentiality and data origin authentication, by combining the techniques of CTR and a CBC-based message authentication code. (See: block cipher.)

Updated

Jan 06, 2026

Senses

(N)

A block cipher mode [SP38C] that provides both data confidentiality and data origin authentication, by combining the techniques of CTR and a CBC based message authentication code. (See: block cipher.)

A block cipher mode [SP38C] that provides both data confidentiality and data origin authentication, by combining the techniques of CTR and a CBC-based message authentication code. (See: block cipher.)

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
Source: IETF RFC 4949 (rfc-editor.org).