NAME
gnutls_x509_crt_get_extension_by_oid - This function returns the specified extension
SYNOPSIS
#include <gnutls/x509.h>
I int gnutls_x509_crt_get_extension_by_oid(gnutls_x509_crt_t cert , const char * oid , int indx , void * buf , size_t * sizeof_buf , unsigned int * critical );
ARGUMENTS
"gnutls_x509_crt_t
should contain a gnutls_x509_crt_t structure
"const
holds an Object Identified in null terminated string
"int
In case multiple same OIDs exist in the extensions, this specifies which to send. Use zero to get the first one.
"void
a pointer to a structure to hold the name (may be null)
"size_t
initially holds the size of buf
"unsigned
will be non zero if the extension is marked as critical
DESCRIPTION
This function will return the extension specified by the OID in the certificate.
The extensions will be returned as binary data DER encoded, in the provided
buffer.
A negative value may be returned in case of parsing error.
If the certificate does not contain the specified extension
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>.
COPYRIGHT
Copyright 2006 Free Software Foundation.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.
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.
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