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NAME

       gnutls_x509_crt_get_fingerprint    -    This   function   returns   the
       Certificate’s fingerprint

SYNOPSIS

       #include <gnutls/x509.h>

       int       gnutls_x509_crt_get_fingerprint(gnutls_x509_crt_t       cert,
       gnutls_digest_algorithm_t algo, void * buf, size_t * sizeof_buf);

ARGUMENTS

       gnutls_x509_crt_t cert
                   should contain a gnutls_x509_crt_t structure

       gnutls_digest_algorithm_t algo
                   is a digest algorithm

       void * buf  a  pointer  to  a structure to hold the fingerprint (may be
                   null)

       size_t * sizeof_buf
                   initially holds the size of buf

DESCRIPTION

       This function will calculate and copy the certificate’s fingerprint  in
       the provided buffer.

       If the buffer is null then only the size will be filled.

RETURNS

       GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough,
       and in that case the *sizeof_buf will  be  updated  with  the  required
       size.  On success 0 is returned.

REPORTING BUGS

       Report    bugs    to    <bug-gnutls@gnu.org>.     GnuTLS   home   page:
       http://www.gnu.org/software/gnutls/ General help  using  GNU  software:
       http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright © 2008 Free Software Foundation.
       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 info and gnutls programs are properly installed  at  your  site,
       the command

              info gnutls

       should give you access to the complete manual.