gnutls_hkdf_extract(3) gnutls gnutls_hkdf_extract(3)
NAME
gnutls_hkdf_extract - API function
SYNOPSIS
#include <gnutls/crypto.h>
int gnutls_hkdf_extract(gnutls_mac_algorithm_t mac, const gnutls_datum_t
* key, const gnutls_datum_t * salt, void * output);
ARGUMENTS
gnutls_mac_algorithm_t mac
the mac algorithm used internally
const gnutls_datum_t * key
the initial keying material
const gnutls_datum_t * salt
the optional salt
void * output
the output value of the extract operation
DESCRIPTION
This function will derive a fixed-size key using the HKDF-Extract func-
tion as defined in RFC 5869.
RETURNS
Zero or a negative error code on error.
SINCE
3.6.13
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 2001-2023 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.
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 3.8.9 gnutls_hkdf_extract(3)
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