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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 <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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