gnutls_x509_crt_get_extension_by_oid man page on aLinux
[printable version]
gnutls_x509_crt_get_extension_by_oidgnugnutls_x509_crt_get_extension_by_oid(3)
NAME
gnutls_x509_crt_get_extension_by_oid - This function returns the speci‐
fied extension
SYNOPSIS
#include <gnutls/x509.h>
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 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 extensions, this
specifies which to send. Use zero to get the first one.
void * buf a pointer to a structure to hold the name (may be null)
size_t * sizeof_buf
initially holds the size of buf
unsigned int * critical
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 cer‐
tificate 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 © 2004 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.
gnutls 1.gnutls_x509_crt_get_extension_by_oid(3)
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