NAME

       gnutls_x509_ext_export_key_usage - API function

SYNOPSIS

       #include <gnutls/x509-ext.h>

       int gnutls_x509_ext_export_key_usage(unsigned int usage, gnutls_datum_t * ext);

ARGUMENTS

       unsigned int usage
                   an ORed sequence of the GNUTLS_KEY_* elements.

       gnutls_datum_t * ext
                   The DER-encoded extension data; must be freed using gnutls_free().

DESCRIPTION

       This  function  will  convert the keyUsage bit string to a DER encoded PKIX extension. The
       ext data will be allocated using gnutls_malloc().

RETURNS

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.

SINCE

       3.3.0

REPORTING BUGS

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

COPYRIGHT

       Copyright © 2001-2021 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/