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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
* Copyright (C) 2012 Reto Buerki
* Copyright (C) 2012 Adrian-Ken Rueegsegger
* Hochschule fuer Technik Rapperswil
*
* 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include <check.h>
#include <daemon.h>
#include <hydra.h>
#include <config/proposal.h>
#include <encoding/payloads/ike_header.h>
#include <plugins/kernel_netlink/kernel_netlink_net.h>
#include <tkm/client.h>
#include "tkm.h"
#include "tkm_nonceg.h"
#include "tkm_diffie_hellman.h"
#include "tkm_keymat.h"
#include "tkm_kernel_ipsec.h"
#include "tkm_types.h"
START_TEST(test_derive_ike_keys)
{
fail_if(!library_init(NULL), "Unable to init library");
fail_if(!libhydra_init("tkm-tests"), "Unable to init libhydra");
fail_if(!libcharon_init("tkm-tests"), "Unable to init libcharon");
/* Register TKM specific plugins */
static plugin_feature_t features[] = {
PLUGIN_REGISTER(NONCE_GEN, tkm_nonceg_create),
PLUGIN_PROVIDE(NONCE_GEN),
PLUGIN_REGISTER(DH, tkm_diffie_hellman_create),
PLUGIN_PROVIDE(DH, MODP_3072_BIT),
PLUGIN_PROVIDE(DH, MODP_4096_BIT),
PLUGIN_CALLBACK(kernel_ipsec_register, tkm_kernel_ipsec_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
PLUGIN_DEPENDS(RNG, RNG_WEAK),
PLUGIN_CALLBACK(kernel_net_register, kernel_netlink_net_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-net"),
};
lib->plugins->add_static_features(lib->plugins, "tkm-tests", features,
countof(features), TRUE);
fail_if(!charon->initialize(charon, PLUGINS), "Unable to init charon");
proposal_t *proposal = proposal_create_from_string(PROTO_IKE,
"aes256-sha512-modp4096");
fail_if(!proposal, "Unable to create proposal");
ike_sa_id_t *ike_sa_id = ike_sa_id_create(IKEV2_MAJOR_VERSION,
123912312312, 32312313122, TRUE);
fail_if(!ike_sa_id, "Unable to create IKE SA ID");
tkm_keymat_t *keymat = tkm_keymat_create(TRUE);
fail_if(!keymat, "Unable to create keymat");
fail_if(!keymat->get_isa_id(keymat), "Invalid ISA context id (0)");
chunk_t nonce;
tkm_nonceg_t *ng = tkm_nonceg_create();
fail_if(!ng, "Unable to create nonce generator");
fail_unless(ng->nonce_gen.allocate_nonce(&ng->nonce_gen, 32, &nonce),
"Unable to allocate nonce");
ng->nonce_gen.destroy(&ng->nonce_gen);
tkm_diffie_hellman_t *dh = tkm_diffie_hellman_create(MODP_4096_BIT);
fail_if(!dh, "Unable to create DH");
/* Use the same pubvalue for both sides */
chunk_t pubvalue;
dh->dh.get_my_public_value(&dh->dh, &pubvalue);
dh->dh.set_other_public_value(&dh->dh, pubvalue);
fail_unless(keymat->keymat_v2.derive_ike_keys(&keymat->keymat_v2, proposal,
&dh->dh, nonce, nonce, ike_sa_id, PRF_UNDEFINED, chunk_empty),
"Key derivation failed");
chunk_free(&nonce);
aead_t * const aead = keymat->keymat_v2.keymat.get_aead(&keymat->keymat_v2.keymat, TRUE);
fail_if(!aead, "AEAD is NULL");
fail_if(aead->get_key_size(aead) != 96, "Key size mismatch %d",
aead->get_key_size(aead));
fail_if(aead->get_block_size(aead) != 16, "Block size mismatch %d",
aead->get_block_size(aead));
proposal->destroy(proposal);
dh->dh.destroy(&dh->dh);
ike_sa_id->destroy(ike_sa_id);
keymat->keymat_v2.keymat.destroy(&keymat->keymat_v2.keymat);
chunk_free(&pubvalue);
libcharon_deinit();
libhydra_deinit();
library_deinit();
}
END_TEST
START_TEST(test_derive_child_keys)
{
fail_if(!library_init(NULL), "Unable to init library");
fail_if(!libhydra_init("tkm-tests"), "Unable to init libhydra");
fail_if(!libcharon_init("tkm-tests"), "Unable to init libcharon");
/* Register TKM specific plugins */
static plugin_feature_t features[] = {
PLUGIN_REGISTER(NONCE_GEN, tkm_nonceg_create),
PLUGIN_PROVIDE(NONCE_GEN),
PLUGIN_REGISTER(DH, tkm_diffie_hellman_create),
PLUGIN_PROVIDE(DH, MODP_3072_BIT),
PLUGIN_PROVIDE(DH, MODP_4096_BIT),
PLUGIN_CALLBACK(kernel_ipsec_register, tkm_kernel_ipsec_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
PLUGIN_DEPENDS(RNG, RNG_WEAK),
PLUGIN_CALLBACK(kernel_net_register, kernel_netlink_net_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-net"),
};
lib->plugins->add_static_features(lib->plugins, "tkm-tests", features,
countof(features), TRUE);
fail_if(!charon->initialize(charon, PLUGINS), "Unable to init charon");
tkm_diffie_hellman_t *dh = tkm_diffie_hellman_create(MODP_4096_BIT);
fail_if(!dh, "Unable to create DH object");
proposal_t *proposal = proposal_create_from_string(PROTO_ESP,
"aes256-sha512-modp4096");
fail_if(!proposal, "Unable to create proposal");
proposal->set_spi(proposal, 42);
tkm_keymat_t *keymat = tkm_keymat_create(TRUE);
fail_if(!keymat, "Unable to create keymat");
chunk_t encr_i, encr_r, integ_i, integ_r;
chunk_t nonce = chunk_from_chars("test chunk");
fail_unless(keymat->keymat_v2.derive_child_keys(&keymat->keymat_v2, proposal,
(diffie_hellman_t *)dh,
nonce, nonce, &encr_i,
&integ_i, &encr_r, &integ_r),
"Child key derivation failed");
esa_info_t *info = (esa_info_t *)encr_i.ptr;
fail_if(!info, "encr_i does not contain esa information");
fail_if(info->isa_id != keymat->get_isa_id(keymat),
"Isa context id mismatch (encr_i)");
fail_if(info->spi_r != 42,
"SPI mismatch (encr_i)");
fail_unless(chunk_equals(info->nonce_i, nonce),
"nonce_i mismatch (encr_i)");
fail_unless(chunk_equals(info->nonce_r, nonce),
"nonce_r mismatch (encr_i)");
fail_if(info->is_encr_r,
"Flag is_encr_r set for encr_i");
fail_if(info->dh_id != dh->get_id(dh),
"DH context id mismatch (encr_i)");
chunk_free(&info->nonce_i);
chunk_free(&info->nonce_r);
info = (esa_info_t *)encr_r.ptr;
fail_if(!info, "encr_r does not contain esa information");
fail_if(info->isa_id != keymat->get_isa_id(keymat),
"Isa context id mismatch (encr_r)");
fail_if(info->spi_r != 42,
"SPI mismatch (encr_r)");
fail_unless(chunk_equals(info->nonce_i, nonce),
"nonce_i mismatch (encr_r)");
fail_unless(chunk_equals(info->nonce_r, nonce),
"nonce_r mismatch (encr_r)");
fail_unless(info->is_encr_r,
"Flag is_encr_r set for encr_r");
fail_if(info->dh_id != dh->get_id(dh),
"DH context id mismatch (encr_i)");
chunk_free(&info->nonce_i);
chunk_free(&info->nonce_r);
proposal->destroy(proposal);
dh->dh.destroy(&dh->dh);
keymat->keymat_v2.keymat.destroy(&keymat->keymat_v2.keymat);
chunk_free(&encr_i);
chunk_free(&encr_r);
libcharon_deinit();
libhydra_deinit();
library_deinit();
}
END_TEST
TCase *make_keymat_tests(void)
{
TCase *tc = tcase_create("Keymat tests");
tcase_add_test(tc, test_derive_ike_keys);
tcase_add_test(tc, test_derive_child_keys);
return tc;
}
|
