1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* $Id: dhtest.c,v 1.1 1998/11/15 00:03:50 niklas Exp $ */
/*
* Copyright (c) 1998 Niels Provos. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Ericsson Radio Systems.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This code was written under funding by Ericsson Radio Systems.
*/
/*
* This module does a Diffie-Hellman Exchange
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "math_group.h"
#include "dh.h"
#define DUMP_X(_x_) point = (_x_); b2n_print (point->x);
int
main (void)
{
int len;
char buf[100], buf2[100];
char sec[100], sec2[100];
struct group *group, *group2;
group_init ();
group = group_get (4);
group2 = group_get (4);
printf ("Testing DH (elliptic curve): \n");
printf ("dh_getlen\n");
len = dh_getlen (group);
printf ("dh_create_exchange\n");
dh_create_exchange (group, buf);
dh_create_exchange (group2, buf2);
printf ("dh_create_shared\n");
dh_create_shared (group, sec, buf2);
dh_create_shared (group2, sec2, buf);
printf ("Result: ");
if (memcmp (sec, sec2, len))
printf ("FAILED ");
else
printf ("OKAY ");
group_free (group);
group_free (group2);
printf ("\nTesting DH (MODP): \n");
group = group_get (1);
group2 = group_get (1);
printf ("dh_getlen\n");
len = dh_getlen (group);
printf ("dh_create_exchange\n");
dh_create_exchange (group, buf);
dh_create_exchange (group2, buf2);
printf ("dh_create_shared\n");
dh_create_shared (group, sec, buf2);
dh_create_shared (group2, sec2, buf);
printf ("Result: ");
if (memcmp (sec, sec2, len))
printf ("FAILED ");
else
printf ("OKAY ");
printf ("\n");
return 1;
}
|
