NAME
gnutls_fingerprint - This function calculates the fingerprint of the given data
SYNOPSIS
#include <gnutls/gnutls.h>
I int gnutls_fingerprint(gnutls_digest_algorithm_t algo , const gnutls_datum_t * data , void * result , size_t * result_size );
ARGUMENTS
"gnutls_digest_algorithm_t
is a digest algorithm
"const
is the data
"void
is the place where the result will be copied (may be null).
"size_t
should hold the size of the result. The actual size
of the returned result will also be copied there.
DESCRIPTION
This function will calculate a fingerprint (actually a hash), of the
given data. The result is not printable data. You should convert it
to hex, or to something else printable.
This is the usual way to calculate a fingerprint of an X.509
DER encoded certificate. Note however that the fingerprint
of an OpenPGP is not just a hash and cannot be calculated with
this function.
Returns a negative value in case of an error.
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>.
COPYRIGHT
Copyright 2006 Free Software Foundation.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.
SEE ALSO
The full documentation for
gnutls
is maintained as a Texinfo manual. If the
info
and
gnutls
programs are properly installed at your site, the command
info gnutls
should give you access to the complete manual.
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