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gnutls_openpgp_crt_get_subkey_usage(gnutgnutls_openpgp_crt_get_subkey_usage(3)

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 type

       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_DIGI-
       TAL_SIGNATURE or GNUTLS_KEY_KEY_ENCIPHERMENT.

       A negative error code may be returned in case of parsing error.

RETURNS
       key usage value.

SINCE
       2.4.0

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: http://www.gnutls.org

COPYRIGHT
       Copyright (C) 2001-2017 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

       http://www.gnutls.org/manual/

gnutls				     3.5gnutls_openpgp_crt_get_subkey_usage(3)