gnutls_hkdf_extract - Man Page

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 function 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

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/

Info

3.7.0 gnutls