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gnutls_hmac_fast(3) gnutls gnutls_hmac_fast(3)

gnutls_hmac_fast - API function

#include <gnutls/crypto.h>

int gnutls_hmac_fast(gnutls_mac_algorithm_t algorithm, const void * key, size_t keylen, const void * ptext, size_t ptext_len, void * digest);

gnutls_mac_algorithm_t algorithm
the hash algorithm to use
const void * key
the key to use
size_t keylen
the length of the key
const void * ptext
the data to hash
size_t ptext_len
the length of data to hash
void * digest
is the output value of the hash

This convenience function will hash the given data and return output on a single call. Note, this call will not work for MAC algorithms that require nonce (like UMAC or GMAC).

Zero or a negative error code on error.

2.10.0

Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

Copyright © 2001- Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/local/share/doc/gnutls/ directory does not contain the HTML form visit
https://www.gnutls.org/manual/
3.6.16 gnutls

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