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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_hkdf_extract(3) gnutls gnutls_hkdf_extract(3)
gnutls_hkdf_extract - API function
#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);
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
This function will derive a fixed-size key using the HKDF-Extract
function as defined in RFC 5869.
Zero or a negative error code on error.
3.6.13
Report bugs to <[email protected]>.
Home page: https://www.gnutls.org
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.
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/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to [email protected]. This page was obtained
from the tarball fetched from
⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to [email protected]
gnutls 3.8.10 gnutls_hkdf_extract(3)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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