gnutls_x509_ext_export_key_usage(3)

gnutls_x509_ext_export_key_usage3

Api function

Usage

#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().

Overview

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

Releases

7 releases since Debian 8 (Jessie); the text changed 6 times.

  1. 8
  2. 9
  3. 10
  4. 11
  5. 12
  6. 13
  7. Arch

Reporting bugs

Report bugs to <[email protected]>.
Home page: https://www.gnutls.org

From gnutls 3.8.13-3 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.