What does CMAC stand for?

What does CMAC mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: CMAC.

We've found a total of 26 definitions for CMAC:

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Acronym

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CMAC

Construction Management Agency Construction

Community » Educational

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CMAC

Captial Military Assistance Command

Business » Occupation & Positions

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CMAC

Central Management of Army Commissaries

Governmental » Military

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CMAC

Cambodian Mine Action Center

Community » Non-Profit Organizations

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CMAC

Cerebellar Model Articulation Controller

Miscellaneous » Unclassified

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CMAC

Chemical and Molecular Analysis Centre

Academic & Science » Universities

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CMAC

Chiang Mai Athletics Conference

Community » Conferences

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CMAC

Crystal Mountain Alpine Club

Community » Clubs

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CMAC

Cambodia Mine Action Centre

Miscellaneous » Unclassified

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CMAC

Case Management Administrator Certification

Governmental » State & Local

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CMAC

Certified Marketing Automation Consultant

Business » Marketing

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CMAC

Chicago Men's A Cappella

Miscellaneous » Unclassified

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CMAC

Crypto-material Management and Assistance Centre

Governmental » Military

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CMAC

Canadian Marine Advisory Council

Governmental » Transportation

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CMAC

Cerebellar Model Arithmetic Computer

Computing

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CMAC

Coalition of Museum and Art Centers

Community » Museums

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CMAC

College of Media And Communication

Academic & Science » Colleges

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CMAC

Columbia Marine Aquarium Club

Community » Clubs

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CMAC

Community Military Appreciation Committee

Governmental » Military

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CMAC

Capital Markets Access Company

Business » Companies & Firms

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CMAC

Centre for Mathematical Analysis and Computation

Miscellaneous » Unclassified

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CMAC

Corsair Model Aircraft Club

Community » Clubs

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CMAC

Campus Ministry Advisory Committee

Academic & Science » Universities

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CMAC

Cincinnati Metro Athletic Conference

Community » Conferences

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CMAC

Coalition of Minorities Advisory Committee

Miscellaneous » Unclassified

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What does CMAC mean?

CMAC
In cryptography, CMAC is a block cipher-based message authentication code algorithm. It may be used to provide assurance of the authenticity and, hence, the integrity of binary data. This mode of operation fixes security deficiencies of CBC-MAC. The core of the CMAC algorithm is a variation of CBC-MAC that Black and Rogaway proposed and analyzed under the name XCBC and submitted to NIST. The XCBC algorithm efficiently addresses the security deficiencies of CBC-MAC, but requires three keys. Iwata and Kurosawa proposed an improvement of XCBC and named the resulting algorithm One-Key CBC-MAC in their papers. They later submitted OMAC1, a refinement of OMAC, and additional security analysis. The OMAC algorithm reduces the amount of key material required for XCBC. CMAC is equivalent to OMAC1. To generate an ℓ-bit CMAC tag of a message using a b-bit block cipher and a secret key, one first generates two b-bit sub-keys using the following algorithm. Let ≪ signify a standard left-shift operator: Calculate a temporary value k₀ = Eₖ.

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