gnutls_hmac_fast(3) gnutls gnutls_hmac_fast(3)
NAME
gnutls_hmac_fast - API function
SYNOPSIS
#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 * di-
gest);
ARGUMENTS
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
DESCRIPTION
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).
RETURNS
Zero or a negative error code on error.
SINCE
2.10.0
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
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 no-
tice and this notice are preserved.
SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/ directory does not contain the HTML form
visit
https://www.gnutls.org/manual/
gnutls 3.7.3 gnutls_hmac_fast(3)
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