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The HMAC component provides an interface to the OpenSSL HMAC functions.  These functions generate a Message Authentication Code (MAC) based on a key, in such a way that no one without the key could plausibly generate the MAC.  HMAC uses a digest (hash) algorithm to generate the MAC.

Supported Interfaces


For additional information on the OpenSSL HMAC functions, please see:

Supported Digest Algorithms:

The supported digest algorithms are the same as those supported by roEVPDigest.


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