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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
This file is part of libdvbcsa.
libdvbcsa 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 2 of the License, or
(at your option) any later version.
libdvbcsa 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 libdvbcsa; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <time.h>
#include <stdio.h>
#include <dvbcsa/dvbcsa.h>
#include "dvbcsa_pv.h"
#ifdef HAVE_ASSERT_H
#include <assert.h>
#endif
#define TS_SIZE 184 /* stream size generation */
static void
hexdump (const char *str, const void *data, uint32_t len)
{
const uint8_t *p = data;
uint32_t i;
printf ("- %s - %u bytes\n", str, len);
for (i = 0; i < len; i++)
printf ("0x%02x,%c", p[i], (i + 1) % 16 ? ' ' : '\n');
puts ("");
}
static int
memtest (uint8_t *data, unsigned int val, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++)
if (data[i] != val)
return -1;
return 0;
}
int
main (void)
{
struct dvbcsa_bs_key_s *ffkey = dvbcsa_bs_key_alloc();
struct dvbcsa_key_s *key = dvbcsa_key_alloc();
unsigned int i;
uint8_t cw[8] = {0x12, 0x34, 0x56, 0x78, 0x1e, 0xd4, 0xf6, 0xab};
unsigned int gs = dvbcsa_bs_batch_size();
struct dvbcsa_bs_batch_s pcks[gs + 1];
uint8_t data[gs][184];
unsigned int rnd[gs];
#ifdef HAVE_ASSERT_H
assert(ffkey != NULL);
assert(key != NULL);
#endif
// srand(time(0));
printf("* DVBCSA test *\n");
dvbcsa_key_set (cw, key);
dvbcsa_bs_key_set (cw, ffkey);
printf(" - Generating batch with %i randomly sized packets\n", gs);
for (i = 0; i < gs; i++)
{
#if 0
rnd[i] = 0xa5;
pcks[i].data = data[i];
pcks[i].len = 184;
#else
rnd[i] = rand() & 0xff;
pcks[i].data = data[i] + rand() % 10;
pcks[i].len = 100 + rand() % 75;
#endif
memset(pcks[i].data, rnd[i], pcks[i].len);
}
pcks[i].data = NULL;
/* Bitslice decrypt test */
printf(" - Encrypting each packet using dvbcsa_encrypt()\n");
for (i = 0; pcks[i].data; i++)
dvbcsa_encrypt (key, pcks[i].data, pcks[i].len);
printf(" - Decrypting batch using _bitslice_ dvbcsa_bs_decrypt()\n");
dvbcsa_bs_decrypt(ffkey, pcks, 184);
printf(" - Checking results...\n");
for (i = 0; pcks[i].data; i++)
{
if (memtest(pcks[i].data, rnd[i], pcks[i].len))
{
printf (" - #%u Failed !\n", i);
hexdump("failed", pcks[i].data, pcks[i].len);
return -1;
}
}
/* Bitslice encrypt test */
printf(" - Decrypting each packet using dvbcsa_decrypt()\n");
for (i = 0; pcks[i].data; i++)
dvbcsa_decrypt (key, pcks[i].data, pcks[i].len);
printf(" - Encrypting batch using _bitslice_ dvbcsa_bs_encrypt()\n");
dvbcsa_bs_encrypt(ffkey, pcks, 184);
printf(" - Checking results...\n");
for (i = 0; pcks[i].data; i++)
{
if (memtest(pcks[i].data, rnd[i], pcks[i].len))
{
puts (" - Failed !");
hexdump("failed", pcks[i].data, pcks[i].len);
return -1;
}
}
dvbcsa_key_free(key);
dvbcsa_bs_key_free(ffkey);
puts (" - Ok !");
return (0);
}
|
