message authentication code

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message authentication code

[′mes·ij ȯ‚then·tə′kā·shən ‚kōd]
(computer science)
The encrypted personal identification code appended to the message transmitted to a computer; the message is accepted only if the decrypted code is recognized as valid by the computer. Abbreviated MAC.
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References in periodicals archive ?
and l will correspond to the local message authentication codes [LMAC.
Specifically, in the authentication phase, it employs the CBC mode to generate a message authentication code (MAC) for data integrity.
Utilizing a practical perspective, the authors emphasize formal definitions, clear assumptions, and rigorous proofs to cover encryption, private-key encryption, message authentication codes, hash functions and applications, and a wide variety of other related subjects over thirteen chapters.
Secure hash algorithms are widely used to prevent tampering with data such as digital signatures and message authentication codes, and are vital to everyday activities from online commerce and pay-TV access to banking, computer security, secure data storage, and government communications.
Support is included for 3DES and digital signatures using Hashed Message Authentication Codes Message Digest (HMACMD5) and Secure Hashing Algorithm (HMA SHA-l).
This could include biometric authentication, message authentication codes, public key authentication schemes and even the typed name at the end of an e-mail.
The Federal Reserve has made significant resource investments in studying the use of message authentication codes for Fedwire.
These tests have not uncovered any technical impediments to the use of message authentication codes on Fedwire.