.\" DO NOT MODIFY THIS FILE! It was generated by gdoc. .TH "gnutls_pubkey_set_key_usage" 3 "3.8.3" "gnutls" "gnutls" .SH NAME gnutls_pubkey_set_key_usage \- API function .SH SYNOPSIS .B #include .sp .BI "int gnutls_pubkey_set_key_usage(gnutls_pubkey_t " key ", unsigned int " usage ");" .SH ARGUMENTS .IP "gnutls_pubkey_t key" 12 a certificate of type \fBgnutls_x509_crt_t\fP .IP "unsigned int usage" 12 an ORed sequence of the GNUTLS_KEY_* elements. .SH "DESCRIPTION" This function will set the key usage flags of the public key. This is only useful if the key is to be exported to a certificate or certificate request. .SH "RETURNS" On success, \fBGNUTLS_E_SUCCESS\fP (0) is returned, otherwise a negative error value. .SH "SINCE" 2.12.0 .SH "REPORTING BUGS" Report bugs to . .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