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gnutls_x509_crt_get_issuer_dn_by_oidgnugnutls_x509_crt_get_issuer_dn_by_oid(3)

NAME
       gnutls_x509_crt_get_issuer_dn_by_oid - API function

SYNOPSIS
       #include <gnutls/x509.h>

       int  gnutls_x509_crt_get_issuer_dn_by_oid(gnutls_x509_crt_t cert, const
       char * oid, int indx, unsigned int  raw_flag,  void  *  buf,  size_t  *
       sizeof_buf);

ARGUMENTS
       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_t structure

       const char * oid
		   holds an Object Identified in null terminated string

       int indx	   In case multiple same OIDs exist in the RDN, this specifies
		   which to send. Use zero to get the first one.

       unsigned int raw_flag
		   If non zero returns the raw DER data of the DN part.

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

       size_t * sizeof_buf
		   initially holds the size of buf

DESCRIPTION
       This function will extract the part of  the  name  of  the  Certificate
       issuer  specified  by the given OID. The output, if the raw flag is not
       used, will be encoded as described in RFC2253. Thus a  string  that  is
       ASCII or UTF-8 encoded, depending on the certificate data.

       Some  helper  macros with popular OIDs can be found in gnutls/x509.h If
       raw flag is zero, this function will only return known  OIDs  as	 text.
       Other  OIDs will be DER encoded, as described in RFC2253 -- in hex for‐
       mat with a 'using gnutls_x509_dn_oid_known().

       If buf 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.

gnutls				   2.12gnutls_x509_crt_get_issuer_dn_by_oid(3)

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