gnutls_x509_crt_check_hostname(3)

gnutls_x509_crt_check_hostname3

Api function

Usage

#include <gnutls/x509.h>

unsigned gnutls_x509_crt_check_hostname(gnutls_x509_crt_t cert, const char * hostname);

Arguments

gnutls_x509_crt_t cert

should contain an gnutls_x509_crt_t type

const char * hostname

A null terminated string that contains a DNS name

Overview

This function will check if the given certificate's subject matches the given hostname. This is a basic implementation of the matching described in RFC6125, and takes into account wildcards, and the DNSName/IPAddress subject alternative name PKIX extension.

For details see also gnutls_x509_crt_check_hostname2().

Returns

non-zero for a successful match, and zero on failure.

Releases

10 releases since Debian 4.0 (Etch); the text changed 9 times.

  1. 4.0
  2. 5.0
  3. 6.0
  4. 8
  5. 9
  6. 10
  7. 11
  8. 12
  9. 13
  10. Arch

Reporting bugs

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

From gnutls 3.8.13-3 in Arch Linux 2026-11-07. Parsed by carta from the page's man source.