gnutls_session_get_id(3)           gnutls           gnutls_session_get_id(3)

NAME         top

       gnutls_session_get_id - API function

SYNOPSIS         top

       #include <gnutls/gnutls.h>

       int gnutls_session_get_id(gnutls_session_t session, void *
       session_id, size_t * session_id_size);

ARGUMENTS         top

       gnutls_session_t session
                   is a gnutls_session_t type.

       void * session_id
                   is a pointer to space to hold the session id.

       size_t * session_id_size
                   initially should contain the maximum  session_id size and
                   will be updated.

DESCRIPTION         top

       Returns the current session ID. This can be used if you want to check
       if the next session you tried to resume was actually resumed.  That
       is because resumed sessions share the same session ID with the
       original session.

       The session ID is selected by the server, that identify the current
       session.  In all supported TLS protocols, the session id is less than

RETURNS         top

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an error code
       is returned.

REPORTING BUGS         top

       Report bugs to <>.
       Home page:

COPYRIGHT         top

       Copyright © 2001-2018 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-3.6.2.tar.xz fetched from
       ⟨⟩ on 2018-04-30.  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                              3.6.2           gnutls_session_get_id(3)