NAME
gnutls_openpgp_crt_get_subkey_usage - returns the key’s usage
SYNOPSIS
#include <gnutls/openpgp.h>
int gnutls_openpgp_crt_get_subkey_usage(gnutls_openpgp_crt_t key,
unsigned int idx, unsigned int * key_usage);
ARGUMENTS
gnutls_openpgp_crt_t key
should contain a gnutls_openpgp_crt_t structure
unsigned int idx
the subkey index
unsigned int * key_usage
where the key usage bits will be stored
DESCRIPTION
This function will return certificate’s key usage, by checking the key
algorithm. The key usage value will ORed values of
GNUTLS_KEY_DIGITAL_SIGNATURE or GNUTLS_KEY_KEY_ENCIPHERMENT.
A negative value may be returned in case of parsing error.
RETURNS
key usage value.
SINCE
2.4.0
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>. GnuTLS home page:
http://www.gnu.org/software/gnutls/ General help using GNU software:
http://www.gnu.org/gethelp/
COPYRIGHT
Copyright © 2008 Free Software Foundation.
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 info and gnutls programs are properly installed at your site,
the command
info gnutls
should give you access to the complete manual.
gnutls 2.8gnutls_openpgp_crt_get_subkey_usage(3)