Keyed-Hashing Message Authentication

Computing Dictionary

Keyed-Hashing Message Authentication definition

messaging, cryptography
(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].
(1997-05-10)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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