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NAME

       gnutls_x509_crt_get_subject_key_id   -   This   function   returns  the
       certificate’s key identifier

SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_subject_key_id(gnutls_x509_crt_t cert,  void  *
       ret, size_t * ret_size, unsigned int * critical);

ARGUMENTS

       gnutls_x509_crt_t cert
                   should contain a gnutls_x509_crt_t structure

       void * ret  The place where the identifier will be copied

       size_t * ret_size
                   Holds the size of the result field.

       unsigned int * critical
                   will  be  non  zero  if the extension is marked as critical
                   (may be null)

DESCRIPTION

       This  function  will  return  the  X.509v3  certificate’s  subject  key
       identifier.   This  is  obtained  by  the  X.509 Subject Key identifier
       extension field (2.5.29.14).

RETURNS

       On success, GNUTLS_E_SUCCESS is returned, otherwise  a  negative  error
       value.and a negative value in case of an error.

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.

gnutls                               2.8.gnutls_x509_crt_get_subject_key_id(3)