gnutls_fingerprint






gnutls_fingerprint − API function

#include<gnutls/gnutls.h>

, const gnutls_datum_t * int
gnutls_fingerprint(gnutls_digest_algorithm_t algo



gnutls_digest_algorithm_t algo
            is a digest algorithm

const gnutls_datum_t * data
            is the data

void * result
            is the place where the result will be copied
            (may be null).

size_t * result_size
            should hold the size of the result. The actual
            size of the returned result will also be copied
            there.

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 certificate is not just a hash and cannot be
calculated with this function.

On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an
error code is returned.

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


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.

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/











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