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gnutls_x509_crt_get_extension_data(3)	      gnutls	    gnutls_x509_crt_get_extension_data(3)

       gnutls_x509_crt_get_extension_data - API function

       #include <gnutls/x509.h>

       int  gnutls_x509_crt_get_extension_data(gnutls_x509_crt_t  cert,  int  indx,  void * data,
       size_t * sizeof_data);

       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_t structure

       int indx    Specifies which extension OID to send. Use (0) to get the first one.

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

       size_t * sizeof_data
		   initially holds the size of	oid

       This function will return the requested extension data in the certificate.  The	extension
       data will be stored as a string in the provided buffer.

       Use  gnutls_x509_crt_get_extension_info()  to  extract  the  OID  and  critical flag.  Use
       gnutls_x509_crt_get_extension_by_oid() instead, if you want to get  data  indexed  by  the
       extension OID rather than sequence.

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code is returned.
       If you have reached the	last  extension  available  GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE
       will be returned.

       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 (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.

       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:


gnutls					      3.1.15	    gnutls_x509_crt_get_extension_data(3)
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