A cryptographic checksum on data that uses a symmetric key to detect both accidental and intentional modifications of the data. See checksum. Source: FIPS PUB 201-1 The result of applying a hash function to a message. Also known as a "hash value" or "hash output". Source: NIST SP 800-107 Rev 1
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A cryptographic checksum on data that uses a symmetric key to detect both accidental and intentional modifications of the data. See checksum. Source: FIPS PUB 201-1 The result of applying a hash function to a message. Also known as a "hash value" or "hash output". Source: NIST SP 800-107 Rev 1
Cite this term
Election Security Glossary. (2026). Message Authentication Code (mac) Message Digest. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/message-authentication-code-mac-message-digest
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