CentOS 7.0 - man page for gnutls_rehandshake (centos section 3)
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gnutls_rehandshake(3) gnutls gnutls_rehandshake(3)
gnutls_rehandshake - API function
int gnutls_rehandshake(gnutls_session_t session);
is a gnutls_session_t structure.
This function will renegotiate security parameters with the client. This should only be
called in case of a server.
This message informs the peer that we want to renegotiate parameters (perform a hand-
If this function succeeds (returns 0), you must call the gnutls_handshake() function in
order to negotiate the new parameters.
Since TLS is full duplex some application data might have been sent during peer's process-
ing of this message. In that case one should call gnutls_record_recv() until
GNUTLS_E_REHANDSHAKE is returned to clear any pending data. Care must be taken if rehand-
shake is mandatory to terminate if it does not start after some threshold.
If the client does not wish to renegotiate parameters he will should with an alert mes-
sage, thus the return code will be GNUTLS_E_WARNING_ALERT_RECEIVED and the alert will be
GNUTLS_A_NO_RENEGOTIATION. A client may also choose to ignore this message.
GNUTLS_E_SUCCESS on success, otherwise a negative error code.
Report bugs to <firstname.lastname@example.org>.
General guidelines for reporting bugs: http://www.gnu.org/gethelp/
GnuTLS home page: http://www.gnu.org/software/gnutls/
Copyright (C) 2012 Free Software Foundation, Inc..
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.
The full documentation for gnutls is maintained as a Texinfo manual. If the info and
gnutls programs are properly installed at your site, the command
should give you access to the complete manual. As an alternative you may obtain the man-
gnutls 3.1.15 gnutls_rehandshake(3)
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