====== Authentication Code ======
[[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]]

**Authentication Code**, also known as a **Message Authentication Code**, is a keyed [[dido:public:ra:xapend:xapend.a_glossary:c:cryptographic_checksum]] based on an approved security
function; 

Source: [[https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r5.pdf ]]


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