.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.
.TH "gnutls_x509_ext_export_key_usage" 3 "3.8.5" "gnutls" "gnutls"
.SH NAME
gnutls_x509_ext_export_key_usage \- API function
.SH SYNOPSIS
.B #include <gnutls/x509-ext.h>
.sp
.BI "int gnutls_x509_ext_export_key_usage(unsigned int " usage ", gnutls_datum_t * " ext ");"
.SH ARGUMENTS
.IP "unsigned int usage" 12
an ORed sequence of the GNUTLS_KEY_* elements.
.IP "gnutls_datum_t * ext" 12
The DER\-encoded extension data; must be freed using \fBgnutls_free()\fP.
.SH "DESCRIPTION"
This function will convert the keyUsage bit string to a DER
encoded PKIX extension. The  \fIext\fP data will be allocated using
\fBgnutls_malloc()\fP.
.SH "RETURNS"
On success, \fBGNUTLS_E_SUCCESS\fP (0) is returned, otherwise a
negative error value.
.SH "SINCE"
3.3.0
.SH "REPORTING BUGS"
Report bugs to <bugs@gnutls.org>.
.br
Home page: https://www.gnutls.org

.SH COPYRIGHT
Copyright \(co 2001-2023 Free Software Foundation, Inc., and others.
.br
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.
.SH "SEE ALSO"
The full documentation for
.B gnutls
is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/
directory does not contain the HTML form visit
.B
.IP https://www.gnutls.org/manual/
.PP