gnutls_certificate_set_x509_trust_file(3) — Linux manual page



NAME         top

       gnutls_certificate_set_x509_trust_file - API function

SYNOPSIS         top

       #include <gnutls/gnutls.h>

       cred, const char * cafile, gnutls_x509_crt_fmt_t type);

ARGUMENTS         top

       gnutls_certificate_credentials_t            cred
                   is a gnutls_certificate_credentials_t type.

       const char * cafile
                   is a file containing the list of trusted CAs (DER or PEM

       gnutls_x509_crt_fmt_t type
                   is PEM or DER

DESCRIPTION         top

       This function adds the trusted CAs in order to verify client or
       server certificates. In case of a client this is not required to be
       called if the certificates are not verified using
       gnutls_certificate_verify_peers2().  This function may be called
       multiple times.

       In case of a server the names of the CAs set here will be sent to the
       client if a certificate request is sent. This can be disabled using

       This function can also accept URLs. In that case it will import all
       certificates that are marked as trusted. Note that the supported URLs
       are the ones indicated by gnutls_url_is_supported().

RETURNS         top

       the number of certificates processed

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
       believe there is a better or more up-to-date source for the page, or
       you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a mail

gnutls                             g3n.u6t.l9s_certificate_set_x509_trust_file(3)