70 lines
2.3 KiB
C
Executable File
70 lines
2.3 KiB
C
Executable File
/*
|
|
* Dropbear - a SSH2 server
|
|
*
|
|
* Copyright (c) 2002,2003 Matt Johnston
|
|
* All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE. */
|
|
|
|
#ifndef _KEX_H_
|
|
#define _KEX_H_
|
|
|
|
#include "includes.h"
|
|
#include "algo.h"
|
|
|
|
void send_msg_kexinit();
|
|
void recv_msg_kexinit();
|
|
void send_msg_newkeys();
|
|
void recv_msg_newkeys();
|
|
void kexfirstinitialise();
|
|
void gen_kexdh_vals(mp_int *dh_pub, mp_int *dh_priv);
|
|
void kexdh_comb_key(mp_int *dh_pub_us, mp_int *dh_priv, mp_int *dh_pub_them,
|
|
sign_key *hostkey);
|
|
|
|
#ifndef DISABLE_ZLIB
|
|
int is_compress_trans();
|
|
int is_compress_recv();
|
|
#endif
|
|
|
|
void recv_msg_kexdh_init(); /* server */
|
|
|
|
void send_msg_kexdh_init(); /* client */
|
|
void recv_msg_kexdh_reply(); /* client */
|
|
|
|
struct KEXState {
|
|
|
|
unsigned sentkexinit : 1; /*set when we've sent/recv kexinit packet */
|
|
unsigned recvkexinit : 1;
|
|
unsigned firstfollows : 1; /* true when first_kex_packet_follows is set */
|
|
unsigned sentnewkeys : 1; /* set once we've send/recv'ed MSG_NEWKEYS*/
|
|
unsigned recvnewkeys : 1;
|
|
|
|
unsigned donefirstkex : 1; /* Set to 1 after the first kex has completed,
|
|
ie the transport layer has been set up */
|
|
|
|
time_t lastkextime; /* time of the last kex */
|
|
unsigned int datatrans; /* data transmitted since last kex */
|
|
unsigned int datarecv; /* data received since last kex */
|
|
|
|
};
|
|
|
|
#define MAX_KEXHASHBUF 2000
|
|
|
|
#endif /* _KEX_H_ */
|