gnutls_x509_crt_get_issuer_dn_by_oid man page on FreeBSD

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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  -	This function returns the Cer‐
       tificate's issuer distinguished name

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.gnutls_x509_crt_get_issuer_dn_by_oid(3)
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