gnutls_x509_ext_import_key_usage(3) gnutls gnutls_x509_ext_import_key_usage(3)
NAME
gnutls_x509_ext_import_key_usage - API function
SYNOPSIS
#include <gnutls/x509-ext.h>
gnutls_x509_ext_import_key_usage(3) gnutls_datum_t * ext,
unsigned int * key_usage);
ARGUMENTS
const gnutls_datum_t * ext
the DER encoded extension data
unsigned int * key_usage
where the key usage bits will be stored
DESCRIPTION
This function will return certificate's key usage, by reading the DER
data of the keyUsage X.509 extension (2.5.29.15). The key usage value
will ORed values of the: GNUTLS_KEY_DIGITAL_SIGNATURE,
GNUTLS_KEY_NON_REPUDIATION, GNUTLS_KEY_KEY_ENCIPHERMENT,
GNUTLS_KEY_DATA_ENCIPHERMENT, GNUTLS_KEY_KEY_AGREEMENT,
GNUTLS_KEY_KEY_CERT_SIGN, GNUTLS_KEY_CRL_SIGN, GNUTLS_KEY_ENCI-
PHER_ONLY, GNUTLS_KEY_DECIPHER_ONLY.
RETURNS
the certificate key usage, or a negative error code in case of parsing
error. If the certificate does not contain the keyUsage extension
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
SINCE
3.3.0
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org
COPYRIGHT
Copyright (C) 2001-2014 Free Software Foundation, Inc..
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/
gnutls 3.3.0 gnutls_x509_ext_import_key_usage(3)
gnutls 3.3.0 - Generated Sat May 10 16:39:28 CDT 2014