Mercurial > dropbear
comparison kex.h @ 285:1b9e69c058d2
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> |
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date | Wed, 08 Mar 2006 13:23:58 +0000 |
parents | ad1b24e39bf3 |
children | 7e43f5e473b9 |
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281:997e6f7dc01e | 285:1b9e69c058d2 |
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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_ */ |