Manpages - gnutls_x509_ext_import_key_usage.3
Table of Contents
NAME
gnutls_x509_ext_import_key_usage - API function
SYNOPSIS
#include <gnutls/x509-ext.h>
int gnutls_x509_ext_import_key_usage(const 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_ENCIPHER_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: https://www.gnutls.org
COPYRIGHT
Copyright © 2001- 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