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Man Pages


Manual Reference Pages  -  GNUTLS_X509_CRT_GET_DN_BY_OID (3)

NAME

gnutls_x509_crt_get_dn_by_oid - API function

CONTENTS

Synopsis
Arguments
Copyright

SYNOPSIS

#include <gnutls/x509.h>

int gnutls_x509_crt_get_dn_by_oid(gnutls_x509_crt_t cert, const char * oid, int indx, unsigned int raw_flag, void * buf, size_t * buf_size);

ARGUMENTS

gnutls_x509_crt_t cert should contain a gnutls_x509_crt_t type
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 (0) 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 where the DN part will be copied (may be null).
size_t * buf_size initially holds the size of buf

DESCRIPTION

This function will extract the part of the name of the Certificate subject specified by the given OID. The output, if the raw flag is not used, will be encoded as described in RFC4514. 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 (0), this function will only return known OIDs as text. Other OIDs will be DER encoded, as described in RFC4514 -- in hex format with a ’#’ prefix. You can check about known OIDs using gnutls_x509_dn_oid_known().

If buf is null then only the size will be filled. If the raw_flag is not specified the output is always null terminated, although the
buf_size will not include the null character.

RETURNS

GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough, and in that case the buf_size will be updated with the required size. GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if there are no data in the current index. On success 0 is returned.

REPORTING BUGS

Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org

COPYRIGHT

Copyright © 2001-2016 Free Software Foundation, Inc., and others.
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 /usr/share/doc/gnutls/ directory does not contain the HTML form visit
http://www.gnutls.org/manual/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_X509_CRT_GET_DN_BY_OID (3) 3.4.9

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