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
|
#include <stdio.h>
#include <library.h>
#include <crypto/proposal/proposal_keywords.h>
int main(int argc, char *argv[])
{
const proposal_token_t *token;
aead_t *aead;
crypter_t *crypter;
char buffer[1024], assoc[8], iv[32];
size_t bs;
int i = 0, limit = 0;
library_init(NULL);
lib->plugins->load(lib->plugins, NULL, PLUGINS);
atexit(library_deinit);
printf("loaded: %s\n", PLUGINS);
memset(buffer, 0x12, sizeof(buffer));
memset(assoc, 0x34, sizeof(assoc));
memset(iv, 0x56, sizeof(iv));
if (argc < 2)
{
fprintf(stderr, "usage: %s <algorithm>!\n", argv[0]);
return 1;
}
if (argc > 2)
{
limit = atoi(argv[2]);
}
token = proposal_get_token(argv[1], strlen(argv[1]));
if (!token)
{
fprintf(stderr, "algorithm '%s' unknown!\n", argv[1]);
return 1;
}
if (token->type != ENCRYPTION_ALGORITHM)
{
fprintf(stderr, "'%s' is not an encryption/aead algorithm!\n", argv[1]);
return 1;
}
if (encryption_algorithm_is_aead(token->algorithm))
{
aead = lib->crypto->create_aead(lib->crypto,
token->algorithm, token->keysize / 8);
if (!aead)
{
fprintf(stderr, "aead '%s' not supported!\n", argv[1]);
return 1;
}
while (TRUE)
{
aead->encrypt(aead,
chunk_create(buffer, sizeof(buffer) - aead->get_icv_size(aead)),
chunk_from_thing(assoc),
chunk_create(iv, aead->get_iv_size(aead)), NULL);
if (!aead->decrypt(aead, chunk_create(buffer, sizeof(buffer)),
chunk_from_thing(assoc),
chunk_create(iv, aead->get_iv_size(aead)), NULL))
{
fprintf(stderr, "aead integrity check failed!\n");
return FALSE;
}
if (limit && ++i == limit)
{
break;
}
}
}
else
{
crypter = lib->crypto->create_crypter(lib->crypto,
token->algorithm, token->keysize / 8);
if (!crypter)
{
fprintf(stderr, "crypter '%s' not supported!\n", argv[1]);
return 1;
}
bs = crypter->get_block_size(crypter);
while (i--)
{
crypter->encrypt(crypter,
chunk_create(buffer, sizeof(buffer) / bs * bs),
chunk_create(iv, crypter->get_iv_size(crypter)), NULL);
crypter->decrypt(crypter,
chunk_create(buffer, sizeof(buffer) / bs * bs),
chunk_create(iv, crypter->get_iv_size(crypter)), NULL);
if (limit && ++i == limit)
{
break;
}
}
}
return 0;
}
|
