gnutls_x509_crt_check_hostname man page

gnutls_x509_crt_check_hostname — API function


#include <gnutls/x509.h>

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


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


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().


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

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3.6.2 gnutls