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Man Pages


Manual Reference Pages  -  GNUTLS_HMAC_INIT (3)

NAME

gnutls_hmac_init - API function

CONTENTS

Synopsis
Arguments
Copyright

SYNOPSIS

#include <gnutls/crypto.h>

int gnutls_hmac_init(gnutls_hmac_hd_t * dig, gnutls_mac_algorithm_t algorithm, const void * key, size_t keylen);

ARGUMENTS

gnutls_hmac_hd_t * dig is a gnutls_hmac_hd_t type
gnutls_mac_algorithm_t algorithm the HMAC algorithm to use
const void * key the key to be used for encryption
size_t keylen the length of the key

DESCRIPTION

This function will initialize an context that can be used to produce a Message Authentication Code (MAC) of data. This will effectively use the current crypto backend in use by gnutls or the cryptographic accelerator in use.

Note that despite the name of this function, it can be used for other MAC algorithms than HMAC.

RETURNS

Zero or a negative error code on error.

SINCE

2.10.0

REPORTING BUGS

Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org

COPYRIGHT

Copyright © 2001-2016 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
http://www.gnutls.org/manual/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_HMAC_INIT (3) 3.4.9

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