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Meaning of KEYED-HASHING MESSAGE AUTHENTICATION

 
Computing Dictionary
 
 Definition: 

(HMAC) A mechanism for message authentication using cryptographic hash functions. HMAC can be used with any iterative cryptographic hash function, e.g., md5, sha-1, in combination with a secret shared key. The cryptographic strength of HMAC depends on the properties of the underlying hash function.

[RFC 2104].

 

 

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