NAME¶

gnutls_openpgp_crt_get_subkey_usage - API function

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.