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
|
/*
* Copyright (C) 2005, 2010-2017 Free Software Foundation, Inc.
* Written by Simon Josefsson
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include "arcfour.h"
#include <stdio.h>
#include <string.h>
int
main (int argc, char *argv[])
{
arcfour_context ctx;
/* Test vector from Cryptlib via Libgcrypt labeled there: "from the
State/Commerce Department". */
static char key_1[] = { 0x61, 0x8A, 0x63, 0xD2, 0xFB };
static char plaintext_1[] = { 0xDC, 0xEE, 0x4C, 0xF9, 0x2C };
static const char ciphertext_1[] = { 0xF1, 0x38, 0x29, 0xC9, 0xDE };
char scratch[16];
arcfour_setkey (&ctx, key_1, sizeof (key_1));
arcfour_stream (&ctx, plaintext_1, scratch, sizeof (plaintext_1));
if (memcmp (scratch, ciphertext_1, sizeof (ciphertext_1)))
{
size_t i;
printf ("expected:\n");
for (i = 0; i < 5; i++)
printf ("%02x ", scratch[i] & 0xFF);
printf ("\ncomputed:\n");
for (i = 0; i < 5; i++)
printf ("%02x ", ciphertext_1[i] & 0xFF);
printf ("\n");
return 1;
}
/* decrypt */
arcfour_setkey (&ctx, key_1, sizeof (key_1));
arcfour_stream (&ctx, scratch, scratch, sizeof (plaintext_1));
if (memcmp (scratch, plaintext_1, sizeof (plaintext_1)))
{
size_t i;
printf ("expected:\n");
for (i = 0; i < 5; i++)
printf ("%02x ", plaintext_1[i] & 0xFF);
printf ("\ncomputed:\n");
for (i = 0; i < 5; i++)
printf ("%02x ", scratch[i] & 0xFF);
printf ("\n");
return 1;
}
return 0;
}
|
