2
* OpenVPN -- An application to securely tunnel IP networks
3
* over a single UDP port, with support for SSL/TLS-based
4
* session authentication and key exchange,
5
* packet encryption, packet authentication, and
8
* Copyright (C) 2002-2004 James Yonan <jim@yonan.net>
10
* This program is free software; you can redistribute it and/or modify
11
* it under the terms of the GNU General Public License as published by
12
* the Free Software Foundation; either version 2 of the License, or
13
* (at your option) any later version.
15
* This program is distributed in the hope that it will be useful,
16
* but WITHOUT ANY WARRANTY; without even the implied warranty of
17
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18
* GNU General Public License for more details.
20
* You should have received a copy of the GNU General Public License
21
* along with this program (see the file COPYING included with this
22
* distribution); if not, write to the Free Software Foundation, Inc.,
23
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27
* Each session is identified by a random 8-byte session identifier.
29
* For efficiency, the session id is only transmitted over the control
30
* channel (which only sees traffic occasionally when keys are being
31
* negotiated). The data channel sees a smaller version of the session-id --
32
* it is called the key_id and is currently 2 bits long.
36
#include "config-win32.h"
41
#if defined(USE_CRYPTO) && defined(USE_SSL)
48
#include "session_id.h"
52
const struct session_id x_session_id_zero;
55
session_id_random (struct session_id *sid)
57
prng_bytes (sid->id, SID_SIZE);
61
session_id_print (const struct session_id *sid)
63
return format_hex (sid->id, SID_SIZE, 0);
67
static void dummy(void) {}
68
#endif /* USE_CRYPTO && USE_SSL*/