gnutls_x509_ext_export_key_purposes(3) gnutls NAME gnutls_x509_ext_export_key_purposes - API function SYNOPSIS #include int gnutls_x509_ext_export_key_purposes(gnutls_x509_key_purposes_t p, gnutls_datum_t * ext); ARGUMENTS gnutls_x509_key_purposes_t p The key purposes gnutls_datum_t * ext The DER-encoded extension data; must be freed using gnutls_free(). DESCRIPTION This function will convert the key purposes type to a DER-encoded PKIX ExtKeyUsageSyntax (2.5.29.37) extension. The output data in ext 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 . Home page: https://www.gnutls.org COPYRIGHT Copyright (C) 2001-2023 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 https://www.gnutls.org/manual/ gnutls 3.8.5 gnutls_x509_ext_export_key_purposes(3)