gnutls_x509_crt_check_ip(3) — Linux manual page


gnutls_x509_crt_check_ip(3)        gnutls        gnutls_x509_crt_check_ip(3)

NAME         top

       gnutls_x509_crt_check_ip - API function

SYNOPSIS         top

       #include <gnutls/x509.h>

       unsigned gnutls_x509_crt_check_ip(gnutls_x509_crt_t cert, const
       unsigned char * ip, unsigned int ip_size, unsigned int flags);

ARGUMENTS         top

       gnutls_x509_crt_t cert
                   should contain an gnutls_x509_crt_t type

       const unsigned char * ip
                   A pointer to the raw IP address

       unsigned int ip_size
                   the number of bytes in ip (4 or 16)

       unsigned int flags
                   should be zero

DESCRIPTION         top

       This function will check if the IP allowed IP addresses in the
       certificate's subject alternative name match the provided IP address.

RETURNS         top

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

REPORTING BUGS         top

       Report bugs to <>.
       Home page:

COPYRIGHT         top

       Copyright © 2001-2019 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         top

       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 

COLOPHON         top

       This page is part of the GnuTLS (GnuTLS Transport Layer Security
       Library) project.  Information about the project can be found at 
       ⟨⟩.  If you have a bug report for this manual
       page, send it to  This page was obtained from the
       tarball gnutls-3.6.9.tar.xz fetched from
       ⟨⟩ on 2020-09-18.  If you discover
       any rendering problems in this HTML version of the page, or you
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gnutls                              3.6.9        gnutls_x509_crt_check_ip(3)