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gnutls_x509_crt_get_authority_key_gn_serial(3)gnutlgnutls_x509_crt_get_authority_key_gn_serial(3)

NAME
       gnutls_x509_crt_get_authority_key_gn_serial - API function

SYNOPSIS
       #include <gnutls/x509.h>

       int  gnutls_x509_crt_get_authority_key_gn_serial(gnutls_x509_crt_t cert, unsigned int seq,
       void *  alt,  size_t  *	alt_size,  unsigned  int  *  alt_type,	void*  serial,	size_t	*
       serial_size, unsigned int * critical);

ARGUMENTS
       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_t structure

       unsigned int seq
		   specifies  the sequence number of the alt name (0 for the first one, 1 for the
		   second etc.)

       void * alt  is the place where the alternative name will be copied to

       size_t * alt_size
		   holds the size of alt.

       unsigned int * alt_type
		   holds  the  type  of   the	alternative   name   (one   of	 gnutls_x509_sub-
		   ject_alt_name_t).

       void* serial
		   buffer to store the serial number (may be null)

       size_t * serial_size
		   Holds the size of the serial field (may be null)

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

DESCRIPTION
       This function will return the X.509 authority key identifier when stored as a general name
       (authorityCertIssuer) and serial number.

       Because more than one general names might be stored
	seq can be used as a counter to request them all until GNUTLS_E_REQUESTED_DATA_NOT_AVAIL-
       ABLE is returned.

RETURNS
       On success, GNUTLS_E_SUCCESS (0) is returned, GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the
       extension is not present, otherwise a negative error value.

SINCE
       3.0

REPORTING BUGS
       Report bugs to <bug-gnutls@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GnuTLS home page: http://www.gnu.org/software/gnutls/

COPYRIGHT
       Copyright (C) 2012 Free Software Foundation, Inc..
       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.  As an alternative you may obtain the  man-
       ual from:

	      http://www.gnu.org/software/gnutls/manual/

gnutls					      3.1.1gnutls_x509_crt_get_authority_key_gn_serial(3)
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