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
|
/*
* Copyright 2015-2018 Yubico AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef NDEBUG
#undef NDEBUG
#endif
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <yubihsm.h>
const uint8_t password[] = "password";
const uint8_t data[] = "sudo make me a sandwich";
static int compare_algorithm(const void *a, const void *b) {
return (*(const yh_algorithm *) a - *(const yh_algorithm *) b);
}
int main(void) {
yh_connector *connector = NULL;
yh_rc yrc = YHR_GENERIC_ERROR;
const char *connector_url = getenv("DEFAULT_CONNECTOR_URL");
if (connector_url == NULL) {
connector_url = DEFAULT_CONNECTOR_URL;
}
yrc = yh_init();
if (yrc != YHR_SUCCESS) {
fprintf(stderr, "unable to initialize yubihsm: %s\n", yh_strerror(yrc));
exit(EXIT_FAILURE);
}
yrc = yh_init_connector(connector_url, &connector);
assert(yrc == YHR_SUCCESS);
yrc = yh_connect(connector, 0);
assert(yrc == YHR_SUCCESS);
char *received_url;
yrc = yh_get_connector_address(connector, &received_url);
assert(yrc == YHR_SUCCESS);
yh_set_verbosity(connector, YH_VERB_ALL);
uint8_t d_major, d_minor, d_patch;
uint32_t serial;
uint8_t log_total, log_used;
yh_algorithm algorithms[YH_MAX_ALGORITHM_COUNT];
size_t n_algorithms = sizeof(algorithms);
yrc =
yh_util_get_device_info(connector, &d_major, &d_minor, &d_patch, &serial,
&log_total, &log_used, algorithms, &n_algorithms);
assert(yrc == YHR_SUCCESS);
yh_algorithm key = YH_ALGO_EC_P256_YUBICO_AUTHENTICATION;
if (!bsearch(&key, algorithms, n_algorithms, sizeof(key),
compare_algorithm)) {
fprintf(stderr, "Skipping this test because the device does not support "
"aymmetric authentication\n");
exit(EXIT_SUCCESS);
}
printf("Send a plain (unencrypted, unauthenticated) echo command\n");
uint16_t data_len = sizeof(data) - 1;
uint8_t response[sizeof(data)] = {0};
size_t response_len = sizeof(response);
yh_cmd response_cmd;
yrc = yh_send_plain_msg(connector, YHC_ECHO, data, data_len, &response_cmd,
response, &response_len);
if (yrc != YHR_SUCCESS) {
fprintf(stderr, "Failed to send ECHO command: %s\n", yh_strerror(yrc));
exit(EXIT_FAILURE);
}
printf("Response (%zu bytes): \"%s\"\n", response_len, response);
yh_session *session = NULL;
uint16_t authkey = 1;
yrc = yh_create_session_derived(connector, authkey, password,
sizeof(password) - 1, false, &session);
assert(yrc == YHR_SUCCESS);
authkey = 2;
yh_util_delete_object(session, authkey, YH_AUTHENTICATION_KEY);
// Ignore result here
uint8_t sk_oce[YH_EC_P256_PRIVKEY_LEN], pk_oce[YH_EC_P256_PUBKEY_LEN];
yrc = yh_util_generate_ec_p256_key(sk_oce, sizeof(sk_oce), pk_oce,
sizeof(pk_oce));
assert(yrc == YHR_SUCCESS);
yh_capabilities caps = {{0}};
yrc = yh_string_to_capabilities("change-authentication-key,get-pseudo-random",
&caps);
assert(yrc == YHR_SUCCESS);
// The public key is imported without the uncompressed point marker (value
// 0x04), so skip the first byte
yrc = yh_util_import_authentication_key(session, &authkey, "EC Auth Key",
0xffff, &caps, &caps, pk_oce + 1,
sizeof(pk_oce) - 1, NULL, 0);
assert(yrc == YHR_SUCCESS);
yrc = yh_util_close_session(session);
assert(yrc == YHR_SUCCESS);
yrc = yh_destroy_session(&session);
assert(yrc == YHR_SUCCESS);
uint8_t pk_sd[YH_EC_P256_PUBKEY_LEN];
size_t pk_sd_len = sizeof(pk_sd);
yrc = yh_util_get_device_pubkey(connector, pk_sd, &pk_sd_len, NULL);
assert(yrc == YHR_SUCCESS);
yrc = yh_create_session_asym(connector, authkey, sk_oce, sizeof(sk_oce),
pk_sd, pk_sd_len, &session);
assert(yrc == YHR_SUCCESS);
uint8_t session_id;
yrc = yh_get_session_id(session, &session_id);
assert(yrc == YHR_SUCCESS);
printf("Successfully established session %02d\n", session_id);
uint8_t buf[32];
size_t buf_len = sizeof(buf);
yrc = yh_util_get_pseudo_random(session, buf_len, buf, &buf_len);
assert(yrc == YHR_SUCCESS);
printf("Send a secure echo command\n");
uint8_t response2[sizeof(data)] = {0};
size_t response2_len = sizeof(response);
yh_cmd response2_cmd;
yrc = yh_send_secure_msg(session, YHC_ECHO, data, data_len, &response2_cmd,
response2, &response2_len);
if (yrc != YHR_SUCCESS) {
fprintf(stderr, "Failed to send ECHO command: %s\n", yh_strerror(yrc));
exit(EXIT_FAILURE);
}
printf("Response (%zu bytes): \"%s\"\n", response_len, response);
assert(response_len == response2_len);
assert(memcmp(response, response2, response_len) == 0);
yrc = yh_util_generate_ec_p256_key(sk_oce, sizeof(sk_oce), pk_oce,
sizeof(pk_oce));
assert(yrc == YHR_SUCCESS);
yrc = yh_util_change_authentication_key(session, &authkey, pk_oce + 1,
sizeof(pk_oce) - 1, NULL, 0);
assert(yrc == YHR_SUCCESS);
yrc = yh_util_close_session(session);
assert(yrc == YHR_SUCCESS);
yrc = yh_destroy_session(&session);
assert(yrc == YHR_SUCCESS);
yrc = yh_create_session_asym(connector, authkey, sk_oce, sizeof(sk_oce),
pk_sd, pk_sd_len, &session);
assert(yrc == YHR_SUCCESS);
buf_len = sizeof(buf);
yrc = yh_util_get_pseudo_random(session, buf_len, buf, &buf_len);
assert(yrc == YHR_SUCCESS);
yrc = yh_util_close_session(session);
assert(yrc == YHR_SUCCESS);
yrc = yh_destroy_session(&session);
assert(yrc == YHR_SUCCESS);
yrc = yh_disconnect(connector);
assert(yrc == YHR_SUCCESS);
yrc = yh_exit();
assert(yrc == YHR_SUCCESS);
return 0;
}
|
