1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*******************************************************************************
3 * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
4 * All rights reserved.
5 *******************************************************************************/
6
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10
11 #include <stdlib.h>
12
13 #include "tss2_esys.h"
14
15 #include "esys_iutil.h"
16 #define LOGMODULE test
17 #include "util/log.h"
18 #include "util/aux_util.h"
19
20 /** Test the ESAPI function Esys_GetRandom.
21 *
22 * Tested ESAPI commands:
23 * - Esys_GetRandom() (M)
24 * - Esys_StartAuthSession() (M)
25 *
26 * @param[in,out] esys_context The ESYS_CONTEXT.
27 * @retval EXIT_FAILURE
28 * @retval EXIT_SUCCESS
29 */
30 int
test_esys_get_random(ESYS_CONTEXT * esys_context)31 test_esys_get_random(ESYS_CONTEXT * esys_context)
32 {
33
34 TSS2_RC r;
35
36 TPM2B_DIGEST *randomBytes;
37 r = Esys_GetRandom(esys_context, ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
38 48, &randomBytes);
39 if (r != TPM2_RC_SUCCESS) {
40 LOG_ERROR("GetRandom FAILED! Response Code : 0x%x", r);
41 goto error;
42 }
43
44 LOGBLOB_DEBUG(&randomBytes->buffer[0], randomBytes->size,
45 "Randoms (count=%i):", randomBytes->size);
46 Esys_Free(randomBytes);
47
48 LOG_INFO("GetRandom Test Passed!");
49
50 ESYS_TR session = ESYS_TR_NONE;
51 const TPMT_SYM_DEF symmetric = {
52 .algorithm = TPM2_ALG_AES,
53 .keyBits = {.aes = 128},
54 .mode = {.aes = TPM2_ALG_CFB}
55 };
56
57 r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
58 ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
59 NULL,
60 TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
61 &session);
62 if (r != TPM2_RC_SUCCESS) {
63 LOG_ERROR("Esys_StartAuthSession FAILED! Response Code : 0x%x", r);
64 goto error;
65 }
66
67 r = Esys_TRSess_SetAttributes(esys_context, session, TPMA_SESSION_AUDIT,
68 TPMA_SESSION_CONTINUESESSION | TPMA_SESSION_AUDIT);
69 if (r != TPM2_RC_SUCCESS) {
70 LOG_ERROR("SetAttributes on session FAILED! Response Code : 0x%x", r);
71 goto error_cleansession;
72 }
73
74 r = Esys_GetRandom(esys_context, session, ESYS_TR_NONE, ESYS_TR_NONE, 48,
75 &randomBytes);
76 if (r != TPM2_RC_SUCCESS) {
77 LOG_ERROR("GetRandom with session FAILED! Response Code : 0x%x", r);
78 goto error_cleansession;
79 }
80
81 LOGBLOB_DEBUG(&randomBytes->buffer[0], randomBytes->size,
82 "Randoms (count=%i):", randomBytes->size);
83 free(randomBytes);
84
85 r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
86 ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
87 NULL,
88 TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
89 &session);
90 if (r != TPM2_RC_SUCCESS) {
91 LOG_ERROR("Esys_StartAuthSession FAILED! Response Code : 0x%x", r);
92 goto error;
93 }
94
95 r = Esys_TRSess_SetAttributes(esys_context, session, TPMA_SESSION_AUDIT,
96 TPMA_SESSION_CONTINUESESSION | TPMA_SESSION_AUDIT);
97 if (r != TPM2_RC_SUCCESS) {
98 LOG_ERROR("SetAttributes on session FAILED! Response Code : 0x%x", r);
99 goto error_cleansession;
100 }
101
102 r = Esys_GetRandom(esys_context, session, ESYS_TR_NONE, ESYS_TR_NONE, 48,
103 &randomBytes);
104 if (r != TPM2_RC_SUCCESS) {
105 LOG_ERROR("GetRandom with session FAILED! Response Code : 0x%x", r);
106 goto error_cleansession;
107 }
108
109 LOGBLOB_DEBUG(&randomBytes->buffer[0], randomBytes->size,
110 "Randoms (count=%i):", randomBytes->size);
111 free(randomBytes);
112
113 r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
114 ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
115 NULL,
116 TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
117 &session);
118 if (r != TPM2_RC_SUCCESS) {
119 LOG_ERROR("Esys_StartAuthSession FAILED! Response Code : 0x%x", r);
120 goto error;
121 }
122
123 r = Esys_TRSess_SetAttributes(esys_context, session, TPMA_SESSION_AUDIT,
124 TPMA_SESSION_CONTINUESESSION | TPMA_SESSION_AUDIT);
125 if (r != TPM2_RC_SUCCESS) {
126 LOG_ERROR("SetAttributes on session FAILED! Response Code : 0x%x", r);
127 goto error_cleansession;
128 }
129
130 r = Esys_GetRandom(esys_context, session, ESYS_TR_NONE, ESYS_TR_NONE, 48,
131 &randomBytes);
132 if (r != TPM2_RC_SUCCESS) {
133 LOG_ERROR("GetRandom with session FAILED! Response Code : 0x%x", r);
134 goto error_cleansession;
135 }
136
137 LOGBLOB_DEBUG(&randomBytes->buffer[0], randomBytes->size,
138 "Randoms (count=%i):", randomBytes->size);
139 free(randomBytes);
140
141 r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
142 ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
143 NULL,
144 TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
145 &session);
146 if (r != TPM2_RC_SUCCESS) {
147 LOG_ERROR("Esys_StartAuthSession FAILED! Response Code : 0x%x", r);
148 goto error;
149 }
150
151 r = Esys_TRSess_SetAttributes(esys_context, session, TPMA_SESSION_AUDIT,
152 TPMA_SESSION_CONTINUESESSION | TPMA_SESSION_AUDIT);
153 if (r != TPM2_RC_SUCCESS) {
154 LOG_ERROR("SetAttributes on session FAILED! Response Code : 0x%x", r);
155 goto error_cleansession;
156 }
157
158 r = Esys_GetRandom(esys_context, session, ESYS_TR_NONE, ESYS_TR_NONE, 48,
159 &randomBytes);
160 if (r != TPM2_RC_SUCCESS) {
161 LOG_ERROR("GetRandom with session FAILED! Response Code : 0x%x", r);
162 goto error_cleansession;
163 }
164
165 LOGBLOB_DEBUG(&randomBytes->buffer[0], randomBytes->size,
166 "Randoms (count=%i):", randomBytes->size);
167 free(randomBytes);
168
169 r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
170 ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
171 NULL,
172 TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
173 &session);
174 if (r != TPM2_RC_SUCCESS) {
175 LOG_ERROR("Esys_StartAuthSession FAILED! Response Code : 0x%x", r);
176 goto error;
177 }
178
179 r = Esys_TRSess_SetAttributes(esys_context, session, TPMA_SESSION_AUDIT,
180 TPMA_SESSION_CONTINUESESSION | TPMA_SESSION_AUDIT);
181 if (r != TPM2_RC_SUCCESS) {
182 LOG_ERROR("SetAttributes on session FAILED! Response Code : 0x%x", r);
183 goto error_cleansession;
184 }
185
186 r = Esys_GetRandom(esys_context, session, ESYS_TR_NONE, ESYS_TR_NONE, 48,
187 &randomBytes);
188 if (r != TPM2_RC_SUCCESS) {
189 LOG_ERROR("GetRandom with session FAILED! Response Code : 0x%x", r);
190 goto error_cleansession;
191 }
192
193 LOGBLOB_DEBUG(&randomBytes->buffer[0], randomBytes->size,
194 "Randoms (count=%i):", randomBytes->size);
195 free(randomBytes);
196
197 LOG_INFO("GetRandom with session Test Passed!");
198
199 //r = Esys_FlushContext(esys_context, session);
200 if (r != TPM2_RC_SUCCESS) {
201 LOG_ERROR("FlushContext with session FAILED! Response Code : 0x%x", r);
202 goto error_cleansession;
203 }
204
205 return EXIT_SUCCESS;
206
207 error_cleansession:
208 r = Esys_FlushContext(esys_context, session);
209 if (r != TPM2_RC_SUCCESS) {
210 LOG_ERROR("FlushContext FAILED! Response Code : 0x%x", r);
211 }
212 error:
213 return EXIT_FAILURE;
214 }
215
216 int
test_invoke_esapi(ESYS_CONTEXT * esys_context)217 test_invoke_esapi(ESYS_CONTEXT * esys_context) {
218 return test_esys_get_random(esys_context);
219 }
220