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comparison kex.h @ 285:1b9e69c058d2

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
parents ad1b24e39bf3
children 7e43f5e473b9
comparison
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281:997e6f7dc01e 285:1b9e69c058d2
1 /*
2 * Dropbear - a SSH2 server
3 *
4 * Copyright (c) 2002,2003 Matt Johnston
5 * All rights reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE. */
24
25 #ifndef _KEX_H_
26 #define _KEX_H_
27
28 #include "includes.h"
29 #include "algo.h"
30
31 void send_msg_kexinit();
32 void recv_msg_kexinit();
33 void send_msg_newkeys();
34 void recv_msg_newkeys();
35 void kexfirstinitialise();
36 void gen_kexdh_vals(mp_int *dh_pub, mp_int *dh_priv);
37 void kexdh_comb_key(mp_int *dh_pub_us, mp_int *dh_priv, mp_int *dh_pub_them,
38 sign_key *hostkey);
39
40 void recv_msg_kexdh_init(); /* server */
41
42 void send_msg_kexdh_init(); /* client */
43 void recv_msg_kexdh_reply(); /* client */
44
45 struct KEXState {
46
47 unsigned sentkexinit : 1; /*set when we've sent/recv kexinit packet */
48 unsigned recvkexinit : 1;
49 unsigned firstfollows : 1; /* true when first_kex_packet_follows is set */
50 unsigned sentnewkeys : 1; /* set once we've send/recv'ed MSG_NEWKEYS*/
51 unsigned recvnewkeys : 1;
52
53 unsigned donefirstkex : 1; /* Set to 1 after the first kex has completed,
54 ie the transport layer has been set up */
55
56 long lastkextime; /* time of the last kex */
57 unsigned int datatrans; /* data transmitted since last kex */
58 unsigned int datarecv; /* data received since last kex */
59
60 };
61
62 #define MAX_KEXHASHBUF 2000
63
64 #endif /* _KEX_H_ */