gnutls_hkdf_expand

Section: gnutls (3)
Updated: 3.6.14
Page Index
 

NAME

gnutls_hkdf_expand - API function  

SYNOPSIS

#include <gnutls/crypto.h>

int gnutls_hkdf_expand(gnutls_mac_algorithm_t mac, const gnutls_datum_t * key, const gnutls_datum_t * info, void * output, size_t length);  

ARGUMENTS

gnutls_mac_algorithm_t mac
the mac algorithm used internally
const gnutls_datum_t * key
the pseudorandom key created with HKDF-Extract
const gnutls_datum_t * info
the optional informational data
void * output
the output value of the expand operation
size_t length
the desired length of the output key
 

DESCRIPTION

This function will derive a variable length keying material from the pseudorandom key using the HKDF-Expand 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

 

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 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/


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURNS
SINCE
REPORTING BUGS
COPYRIGHT
SEE ALSO
LinuxReviews : manual page archive : man3