blob: bc34e0654f9d58a043345737c797e80f853a0091 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Vadim Bendebury576fb1e2011-10-15 15:13:34 +00002/*
Che-liang Chiou8732b072013-02-28 09:34:57 +00003 * Copyright (c) 2013 The Chromium OS Authors.
Vadim Bendebury576fb1e2011-10-15 15:13:34 +00004 */
5
6#include <common.h>
Simon Glassc7694dd2019-08-01 09:46:46 -06007#include <env.h>
Che-liang Chiou8732b072013-02-28 09:34:57 +00008#include <malloc.h>
Che-liang Chiou8732b072013-02-28 09:34:57 +00009#include <asm/unaligned.h>
Miquel Raynald677bfe2018-05-15 11:57:06 +020010#include <tpm-common.h>
11#include <tpm-v1.h>
12#include "tpm-user-utils.h"
Che-liang Chiou8732b072013-02-28 09:34:57 +000013
Miquel Raynalc6179182018-05-15 11:57:00 +020014static int do_tpm_startup(cmd_tbl_t *cmdtp, int flag, int argc,
15 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +000016{
17 enum tpm_startup_type mode;
Simon Glassabdc7b82018-11-18 14:22:27 -070018 struct udevice *dev;
19 int rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +000020
Simon Glassabdc7b82018-11-18 14:22:27 -070021 rc = get_tpm(&dev);
22 if (rc)
23 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +000024 if (argc != 2)
25 return CMD_RET_USAGE;
26 if (!strcasecmp("TPM_ST_CLEAR", argv[1])) {
27 mode = TPM_ST_CLEAR;
28 } else if (!strcasecmp("TPM_ST_STATE", argv[1])) {
29 mode = TPM_ST_STATE;
30 } else if (!strcasecmp("TPM_ST_DEACTIVATED", argv[1])) {
31 mode = TPM_ST_DEACTIVATED;
32 } else {
33 printf("Couldn't recognize mode string: %s\n", argv[1]);
34 return CMD_RET_FAILURE;
35 }
36
Simon Glassabdc7b82018-11-18 14:22:27 -070037 return report_return_code(tpm_startup(dev, mode));
Che-liang Chiou8732b072013-02-28 09:34:57 +000038}
39
Miquel Raynalc6179182018-05-15 11:57:00 +020040static int do_tpm_nv_define_space(cmd_tbl_t *cmdtp, int flag, int argc,
41 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +000042{
Miquel Raynalb9804e52018-05-15 11:56:59 +020043 u32 index, perm, size;
Simon Glassabdc7b82018-11-18 14:22:27 -070044 struct udevice *dev;
45 int rc;
46
47 rc = get_tpm(&dev);
48 if (rc)
49 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +000050
51 if (argc != 4)
52 return CMD_RET_USAGE;
53 index = simple_strtoul(argv[1], NULL, 0);
54 perm = simple_strtoul(argv[2], NULL, 0);
55 size = simple_strtoul(argv[3], NULL, 0);
56
Simon Glassabdc7b82018-11-18 14:22:27 -070057 return report_return_code(tpm_nv_define_space(dev, index, perm, size));
Che-liang Chiou8732b072013-02-28 09:34:57 +000058}
59
Miquel Raynalc6179182018-05-15 11:57:00 +020060static int do_tpm_nv_read_value(cmd_tbl_t *cmdtp, int flag, int argc,
61 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +000062{
Miquel Raynalb9804e52018-05-15 11:56:59 +020063 u32 index, count, rc;
Simon Glassabdc7b82018-11-18 14:22:27 -070064 struct udevice *dev;
Che-liang Chiou8732b072013-02-28 09:34:57 +000065 void *data;
66
Simon Glassabdc7b82018-11-18 14:22:27 -070067 rc = get_tpm(&dev);
68 if (rc)
69 return rc;
70
Che-liang Chiou8732b072013-02-28 09:34:57 +000071 if (argc != 4)
72 return CMD_RET_USAGE;
73 index = simple_strtoul(argv[1], NULL, 0);
74 data = (void *)simple_strtoul(argv[2], NULL, 0);
75 count = simple_strtoul(argv[3], NULL, 0);
76
Simon Glassabdc7b82018-11-18 14:22:27 -070077 rc = tpm_nv_read_value(dev, index, data, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +000078 if (!rc) {
79 puts("area content:\n");
80 print_byte_string(data, count);
81 }
82
Simon Glassf8f1fe12015-08-22 18:31:34 -060083 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +000084}
85
Miquel Raynalc6179182018-05-15 11:57:00 +020086static int do_tpm_nv_write_value(cmd_tbl_t *cmdtp, int flag, int argc,
87 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +000088{
Simon Glassabdc7b82018-11-18 14:22:27 -070089 struct udevice *dev;
Miquel Raynalb9804e52018-05-15 11:56:59 +020090 u32 index, rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +000091 size_t count;
92 void *data;
93
Simon Glassabdc7b82018-11-18 14:22:27 -070094 rc = get_tpm(&dev);
95 if (rc)
96 return rc;
97
Che-liang Chiou8732b072013-02-28 09:34:57 +000098 if (argc != 3)
99 return CMD_RET_USAGE;
100 index = simple_strtoul(argv[1], NULL, 0);
101 data = parse_byte_string(argv[2], NULL, &count);
102 if (!data) {
103 printf("Couldn't parse byte string %s\n", argv[2]);
104 return CMD_RET_FAILURE;
105 }
106
Simon Glassabdc7b82018-11-18 14:22:27 -0700107 rc = tpm_nv_write_value(dev, index, data, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000108 free(data);
109
Simon Glassf8f1fe12015-08-22 18:31:34 -0600110 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000111}
112
Miquel Raynalc6179182018-05-15 11:57:00 +0200113static int do_tpm_extend(cmd_tbl_t *cmdtp, int flag, int argc,
114 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000115{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200116 u8 in_digest[20], out_digest[20];
Simon Glassabdc7b82018-11-18 14:22:27 -0700117 struct udevice *dev;
118 u32 index, rc;
119
120 rc = get_tpm(&dev);
121 if (rc)
122 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000123
124 if (argc != 3)
125 return CMD_RET_USAGE;
126 index = simple_strtoul(argv[1], NULL, 0);
127 if (!parse_byte_string(argv[2], in_digest, NULL)) {
128 printf("Couldn't parse byte string %s\n", argv[2]);
129 return CMD_RET_FAILURE;
130 }
131
Simon Glassabdc7b82018-11-18 14:22:27 -0700132 rc = tpm_extend(dev, index, in_digest, out_digest);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000133 if (!rc) {
134 puts("PCR value after execution of the command:\n");
135 print_byte_string(out_digest, sizeof(out_digest));
136 }
137
Simon Glassf8f1fe12015-08-22 18:31:34 -0600138 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000139}
140
Miquel Raynalc6179182018-05-15 11:57:00 +0200141static int do_tpm_pcr_read(cmd_tbl_t *cmdtp, int flag, int argc,
142 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000143{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200144 u32 index, count, rc;
Simon Glassabdc7b82018-11-18 14:22:27 -0700145 struct udevice *dev;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000146 void *data;
147
Simon Glassabdc7b82018-11-18 14:22:27 -0700148 rc = get_tpm(&dev);
149 if (rc)
150 return rc;
151
Che-liang Chiou8732b072013-02-28 09:34:57 +0000152 if (argc != 4)
153 return CMD_RET_USAGE;
154 index = simple_strtoul(argv[1], NULL, 0);
155 data = (void *)simple_strtoul(argv[2], NULL, 0);
156 count = simple_strtoul(argv[3], NULL, 0);
157
Simon Glassabdc7b82018-11-18 14:22:27 -0700158 rc = tpm_pcr_read(dev, index, data, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000159 if (!rc) {
160 puts("Named PCR content:\n");
161 print_byte_string(data, count);
162 }
163
Simon Glassf8f1fe12015-08-22 18:31:34 -0600164 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000165}
166
Miquel Raynalc6179182018-05-15 11:57:00 +0200167static int do_tpm_tsc_physical_presence(cmd_tbl_t *cmdtp, int flag, int argc,
168 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000169{
Simon Glassabdc7b82018-11-18 14:22:27 -0700170 struct udevice *dev;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200171 u16 presence;
Simon Glassabdc7b82018-11-18 14:22:27 -0700172 int rc;
173
174 rc = get_tpm(&dev);
175 if (rc)
176 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000177
178 if (argc != 2)
179 return CMD_RET_USAGE;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200180 presence = (u16)simple_strtoul(argv[1], NULL, 0);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000181
Simon Glassabdc7b82018-11-18 14:22:27 -0700182 return report_return_code(tpm_tsc_physical_presence(dev, presence));
Che-liang Chiou8732b072013-02-28 09:34:57 +0000183}
184
Miquel Raynalc6179182018-05-15 11:57:00 +0200185static int do_tpm_read_pubek(cmd_tbl_t *cmdtp, int flag, int argc,
186 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000187{
Simon Glassabdc7b82018-11-18 14:22:27 -0700188 struct udevice *dev;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200189 u32 count, rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000190 void *data;
191
Simon Glassabdc7b82018-11-18 14:22:27 -0700192 rc = get_tpm(&dev);
193 if (rc)
194 return rc;
195
Che-liang Chiou8732b072013-02-28 09:34:57 +0000196 if (argc != 3)
197 return CMD_RET_USAGE;
198 data = (void *)simple_strtoul(argv[1], NULL, 0);
199 count = simple_strtoul(argv[2], NULL, 0);
200
Simon Glassabdc7b82018-11-18 14:22:27 -0700201 rc = tpm_read_pubek(dev, data, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000202 if (!rc) {
203 puts("pubek value:\n");
204 print_byte_string(data, count);
205 }
206
Simon Glassf8f1fe12015-08-22 18:31:34 -0600207 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000208}
209
Miquel Raynalc6179182018-05-15 11:57:00 +0200210static int do_tpm_physical_set_deactivated(cmd_tbl_t *cmdtp, int flag, int argc,
211 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000212{
Simon Glassabdc7b82018-11-18 14:22:27 -0700213 struct udevice *dev;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200214 u8 state;
Simon Glassabdc7b82018-11-18 14:22:27 -0700215 int rc;
216
217 rc = get_tpm(&dev);
218 if (rc)
219 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000220
221 if (argc != 2)
222 return CMD_RET_USAGE;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200223 state = (u8)simple_strtoul(argv[1], NULL, 0);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000224
Simon Glassabdc7b82018-11-18 14:22:27 -0700225 return report_return_code(tpm_physical_set_deactivated(dev, state));
Che-liang Chiou8732b072013-02-28 09:34:57 +0000226}
227
Miquel Raynalc6179182018-05-15 11:57:00 +0200228static int do_tpm_get_capability(cmd_tbl_t *cmdtp, int flag, int argc,
229 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000230{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200231 u32 cap_area, sub_cap, rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000232 void *cap;
233 size_t count;
Simon Glassabdc7b82018-11-18 14:22:27 -0700234 struct udevice *dev;
235
236 rc = get_tpm(&dev);
237 if (rc)
238 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000239
240 if (argc != 5)
241 return CMD_RET_USAGE;
242 cap_area = simple_strtoul(argv[1], NULL, 0);
243 sub_cap = simple_strtoul(argv[2], NULL, 0);
244 cap = (void *)simple_strtoul(argv[3], NULL, 0);
245 count = simple_strtoul(argv[4], NULL, 0);
246
Simon Glassabdc7b82018-11-18 14:22:27 -0700247 rc = tpm_get_capability(dev, cap_area, sub_cap, cap, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000248 if (!rc) {
249 puts("capability information:\n");
250 print_byte_string(cap, count);
251 }
252
Simon Glassf8f1fe12015-08-22 18:31:34 -0600253 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000254}
255
Miquel Raynalc6179182018-05-15 11:57:00 +0200256static int do_tpm_raw_transfer(cmd_tbl_t *cmdtp, int flag, int argc,
257 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000258{
Christophe Ricardc2b0f602015-10-06 22:54:43 +0200259 struct udevice *dev;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000260 void *command;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200261 u8 response[1024];
Che-liang Chiou8732b072013-02-28 09:34:57 +0000262 size_t count, response_length = sizeof(response);
Miquel Raynalb9804e52018-05-15 11:56:59 +0200263 u32 rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000264
265 command = parse_byte_string(argv[1], NULL, &count);
266 if (!command) {
267 printf("Couldn't parse byte string %s\n", argv[1]);
268 return CMD_RET_FAILURE;
269 }
270
Simon Glassc8a8c512015-08-22 18:31:32 -0600271 rc = get_tpm(&dev);
272 if (rc)
273 return rc;
274
275 rc = tpm_xfer(dev, command, count, response, &response_length);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000276 free(command);
277 if (!rc) {
278 puts("tpm response:\n");
279 print_byte_string(response, response_length);
280 }
281
Simon Glassf8f1fe12015-08-22 18:31:34 -0600282 return report_return_code(rc);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000283}
284
Miquel Raynalc6179182018-05-15 11:57:00 +0200285static int do_tpm_nv_define(cmd_tbl_t *cmdtp, int flag, int argc,
286 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000287{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200288 u32 index, perm, size;
Simon Glassabdc7b82018-11-18 14:22:27 -0700289 struct udevice *dev;
290 int rc;
291
292 rc = get_tpm(&dev);
293 if (rc)
294 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000295
296 if (argc != 4)
297 return CMD_RET_USAGE;
298 size = type_string_get_space_size(argv[1]);
299 if (!size) {
300 printf("Couldn't parse arguments\n");
301 return CMD_RET_USAGE;
302 }
303 index = simple_strtoul(argv[2], NULL, 0);
304 perm = simple_strtoul(argv[3], NULL, 0);
305
Simon Glassabdc7b82018-11-18 14:22:27 -0700306 return report_return_code(tpm_nv_define_space(dev, index, perm, size));
Che-liang Chiou8732b072013-02-28 09:34:57 +0000307}
308
Miquel Raynalc6179182018-05-15 11:57:00 +0200309static int do_tpm_nv_read(cmd_tbl_t *cmdtp, int flag, int argc,
310 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000311{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200312 u32 index, count, err;
Simon Glassabdc7b82018-11-18 14:22:27 -0700313 struct udevice *dev;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000314 void *data;
Simon Glassabdc7b82018-11-18 14:22:27 -0700315 int rc;
316
317 rc = get_tpm(&dev);
318 if (rc)
319 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000320
321 if (argc < 3)
322 return CMD_RET_USAGE;
323 if (argc != 3 + type_string_get_num_values(argv[1]))
324 return CMD_RET_USAGE;
325 index = simple_strtoul(argv[2], NULL, 0);
326 data = type_string_alloc(argv[1], &count);
327 if (!data) {
328 printf("Couldn't parse arguments\n");
329 return CMD_RET_USAGE;
330 }
331
Simon Glassabdc7b82018-11-18 14:22:27 -0700332 err = tpm_nv_read_value(dev, index, data, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000333 if (!err) {
334 if (type_string_write_vars(argv[1], data, argv + 3)) {
335 printf("Couldn't write to variables\n");
336 err = ~0;
337 }
338 }
339 free(data);
340
Simon Glassf8f1fe12015-08-22 18:31:34 -0600341 return report_return_code(err);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000342}
343
Miquel Raynalc6179182018-05-15 11:57:00 +0200344static int do_tpm_nv_write(cmd_tbl_t *cmdtp, int flag, int argc,
345 char * const argv[])
Che-liang Chiou8732b072013-02-28 09:34:57 +0000346{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200347 u32 index, count, err;
Simon Glassabdc7b82018-11-18 14:22:27 -0700348 struct udevice *dev;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000349 void *data;
Simon Glassabdc7b82018-11-18 14:22:27 -0700350 int rc;
351
352 rc = get_tpm(&dev);
353 if (rc)
354 return rc;
Che-liang Chiou8732b072013-02-28 09:34:57 +0000355
356 if (argc < 3)
357 return CMD_RET_USAGE;
358 if (argc != 3 + type_string_get_num_values(argv[1]))
359 return CMD_RET_USAGE;
360 index = simple_strtoul(argv[2], NULL, 0);
361 data = type_string_alloc(argv[1], &count);
362 if (!data) {
363 printf("Couldn't parse arguments\n");
364 return CMD_RET_USAGE;
365 }
366 if (type_string_pack(argv[1], argv + 3, data)) {
367 printf("Couldn't parse arguments\n");
368 free(data);
369 return CMD_RET_USAGE;
370 }
371
Simon Glassabdc7b82018-11-18 14:22:27 -0700372 err = tpm_nv_write_value(dev, index, data, count);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000373 free(data);
374
Simon Glassf8f1fe12015-08-22 18:31:34 -0600375 return report_return_code(err);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000376}
377
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200378#ifdef CONFIG_TPM_AUTH_SESSIONS
379
Miquel Raynalc6179182018-05-15 11:57:00 +0200380static int do_tpm_oiap(cmd_tbl_t *cmdtp, int flag, int argc,
381 char * const argv[])
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200382{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200383 u32 auth_handle, err;
Simon Glassabdc7b82018-11-18 14:22:27 -0700384 struct udevice *dev;
385 int rc;
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200386
Simon Glassabdc7b82018-11-18 14:22:27 -0700387 rc = get_tpm(&dev);
388 if (rc)
389 return rc;
390
391 err = tpm_oiap(dev, &auth_handle);
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200392
Simon Glassf8f1fe12015-08-22 18:31:34 -0600393 return report_return_code(err);
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200394}
395
mario.six@gdsys.cc0f4b2ba2017-03-20 10:28:28 +0100396#ifdef CONFIG_TPM_LOAD_KEY_BY_SHA1
397static int do_tpm_load_key_by_sha1(cmd_tbl_t *cmdtp, int flag, int argc, char *
398 const argv[])
399{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200400 u32 parent_handle = 0;
401 u32 key_len, key_handle, err;
402 u8 usage_auth[DIGEST_LENGTH];
403 u8 parent_hash[DIGEST_LENGTH];
mario.six@gdsys.cc0f4b2ba2017-03-20 10:28:28 +0100404 void *key;
Simon Glassabdc7b82018-11-18 14:22:27 -0700405 struct udevice *dev;
406
407 rc = get_tpm(&dev);
408 if (rc)
409 return rc;
mario.six@gdsys.cc0f4b2ba2017-03-20 10:28:28 +0100410
411 if (argc < 5)
412 return CMD_RET_USAGE;
413
414 parse_byte_string(argv[1], parent_hash, NULL);
415 key = (void *)simple_strtoul(argv[2], NULL, 0);
416 key_len = simple_strtoul(argv[3], NULL, 0);
417 if (strlen(argv[4]) != 2 * DIGEST_LENGTH)
418 return CMD_RET_FAILURE;
419 parse_byte_string(argv[4], usage_auth, NULL);
420
421 err = tpm_find_key_sha1(usage_auth, parent_hash, &parent_handle);
422 if (err) {
423 printf("Could not find matching parent key (err = %d)\n", err);
424 return CMD_RET_FAILURE;
425 }
426
427 printf("Found parent key %08x\n", parent_handle);
428
429 err = tpm_load_key2_oiap(parent_handle, key, key_len, usage_auth,
430 &key_handle);
431 if (!err) {
432 printf("Key handle is 0x%x\n", key_handle);
Simon Glass018f5302017-08-03 12:22:10 -0600433 env_set_hex("key_handle", key_handle);
mario.six@gdsys.cc0f4b2ba2017-03-20 10:28:28 +0100434 }
435
436 return report_return_code(err);
437}
438#endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */
439
Miquel Raynalc6179182018-05-15 11:57:00 +0200440static int do_tpm_load_key2_oiap(cmd_tbl_t *cmdtp, int flag, int argc,
441 char * const argv[])
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200442{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200443 u32 parent_handle, key_len, key_handle, err;
444 u8 usage_auth[DIGEST_LENGTH];
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200445 void *key;
Simon Glassabdc7b82018-11-18 14:22:27 -0700446 struct udevice *dev;
447 int rc;
448
449 rc = get_tpm(&dev);
450 if (rc)
451 return rc;
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200452
453 if (argc < 5)
454 return CMD_RET_USAGE;
455
456 parent_handle = simple_strtoul(argv[1], NULL, 0);
457 key = (void *)simple_strtoul(argv[2], NULL, 0);
458 key_len = simple_strtoul(argv[3], NULL, 0);
459 if (strlen(argv[4]) != 2 * DIGEST_LENGTH)
460 return CMD_RET_FAILURE;
461 parse_byte_string(argv[4], usage_auth, NULL);
462
Simon Glassabdc7b82018-11-18 14:22:27 -0700463 err = tpm_load_key2_oiap(dev, parent_handle, key, key_len, usage_auth,
Miquel Raynalc6179182018-05-15 11:57:00 +0200464 &key_handle);
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200465 if (!err)
466 printf("Key handle is 0x%x\n", key_handle);
467
Simon Glassf8f1fe12015-08-22 18:31:34 -0600468 return report_return_code(err);
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200469}
470
Miquel Raynalc6179182018-05-15 11:57:00 +0200471static int do_tpm_get_pub_key_oiap(cmd_tbl_t *cmdtp, int flag, int argc,
472 char * const argv[])
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200473{
Miquel Raynalb9804e52018-05-15 11:56:59 +0200474 u32 key_handle, err;
475 u8 usage_auth[DIGEST_LENGTH];
476 u8 pub_key_buffer[TPM_PUBKEY_MAX_LENGTH];
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200477 size_t pub_key_len = sizeof(pub_key_buffer);
Simon Glassabdc7b82018-11-18 14:22:27 -0700478 struct udevice *dev;
479 int rc;
480
481 rc = get_tpm(&dev);
482 if (rc)
483 return rc;
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200484
485 if (argc < 3)
486 return CMD_RET_USAGE;
487
488 key_handle = simple_strtoul(argv[1], NULL, 0);
489 if (strlen(argv[2]) != 2 * DIGEST_LENGTH)
490 return CMD_RET_FAILURE;
491 parse_byte_string(argv[2], usage_auth, NULL);
492
Simon Glassabdc7b82018-11-18 14:22:27 -0700493 err = tpm_get_pub_key_oiap(dev, key_handle, usage_auth, pub_key_buffer,
Miquel Raynalc6179182018-05-15 11:57:00 +0200494 &pub_key_len);
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200495 if (!err) {
496 printf("dump of received pub key structure:\n");
497 print_byte_string(pub_key_buffer, pub_key_len);
498 }
Simon Glassf8f1fe12015-08-22 18:31:34 -0600499 return report_return_code(err);
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200500}
501
502TPM_COMMAND_NO_ARG(tpm_end_oiap)
503
504#endif /* CONFIG_TPM_AUTH_SESSIONS */
505
Mario Six7690be32017-01-11 16:00:50 +0100506#ifdef CONFIG_TPM_FLUSH_RESOURCES
507static int do_tpm_flush(cmd_tbl_t *cmdtp, int flag, int argc,
508 char * const argv[])
509{
Simon Glassabdc7b82018-11-18 14:22:27 -0700510 struct udevice *dev;
Mario Six7690be32017-01-11 16:00:50 +0100511 int type = 0;
Simon Glassabdc7b82018-11-18 14:22:27 -0700512 int rc;
513
514 rc = get_tpm(&dev);
515 if (rc)
516 return rc;
Mario Six7690be32017-01-11 16:00:50 +0100517
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100518 if (argc != 3)
Mario Six7690be32017-01-11 16:00:50 +0100519 return CMD_RET_USAGE;
520
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100521 if (!strcasecmp(argv[1], "key"))
Mario Six7690be32017-01-11 16:00:50 +0100522 type = TPM_RT_KEY;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100523 else if (!strcasecmp(argv[1], "auth"))
Mario Six7690be32017-01-11 16:00:50 +0100524 type = TPM_RT_AUTH;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100525 else if (!strcasecmp(argv[1], "hash"))
Mario Six7690be32017-01-11 16:00:50 +0100526 type = TPM_RT_HASH;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100527 else if (!strcasecmp(argv[1], "trans"))
Mario Six7690be32017-01-11 16:00:50 +0100528 type = TPM_RT_TRANS;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100529 else if (!strcasecmp(argv[1], "context"))
Mario Six7690be32017-01-11 16:00:50 +0100530 type = TPM_RT_CONTEXT;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100531 else if (!strcasecmp(argv[1], "counter"))
Mario Six7690be32017-01-11 16:00:50 +0100532 type = TPM_RT_COUNTER;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100533 else if (!strcasecmp(argv[1], "delegate"))
Mario Six7690be32017-01-11 16:00:50 +0100534 type = TPM_RT_DELEGATE;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100535 else if (!strcasecmp(argv[1], "daa_tpm"))
Mario Six7690be32017-01-11 16:00:50 +0100536 type = TPM_RT_DAA_TPM;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100537 else if (!strcasecmp(argv[1], "daa_v0"))
Mario Six7690be32017-01-11 16:00:50 +0100538 type = TPM_RT_DAA_V0;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100539 else if (!strcasecmp(argv[1], "daa_v1"))
Mario Six7690be32017-01-11 16:00:50 +0100540 type = TPM_RT_DAA_V1;
541
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100542 if (!type) {
543 printf("Resource type %s unknown.\n", argv[1]);
544 return -1;
545 }
546
547 if (!strcasecmp(argv[2], "all")) {
Miquel Raynalb9804e52018-05-15 11:56:59 +0200548 u16 res_count;
549 u8 buf[288];
550 u8 *ptr;
Mario Six7690be32017-01-11 16:00:50 +0100551 int err;
552 uint i;
553
554 /* fetch list of already loaded resources in the TPM */
Simon Glassabdc7b82018-11-18 14:22:27 -0700555 err = tpm_get_capability(dev, TPM_CAP_HANDLE, type, buf,
Mario Six7690be32017-01-11 16:00:50 +0100556 sizeof(buf));
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100557 if (err) {
558 printf("tpm_get_capability returned error %d.\n", err);
Mario Six7690be32017-01-11 16:00:50 +0100559 return -1;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100560 }
Mario Six7690be32017-01-11 16:00:50 +0100561 res_count = get_unaligned_be16(buf);
562 ptr = buf + 2;
563 for (i = 0; i < res_count; ++i, ptr += 4)
Simon Glassabdc7b82018-11-18 14:22:27 -0700564 tpm_flush_specific(dev, get_unaligned_be32(ptr), type);
Mario Six7690be32017-01-11 16:00:50 +0100565 } else {
Miquel Raynalb9804e52018-05-15 11:56:59 +0200566 u32 handle = simple_strtoul(argv[2], NULL, 0);
Mario Six7690be32017-01-11 16:00:50 +0100567
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100568 if (!handle) {
569 printf("Illegal resource handle %s\n", argv[2]);
Mario Six7690be32017-01-11 16:00:50 +0100570 return -1;
mario.six@gdsys.cc1c08b212017-03-20 10:28:29 +0100571 }
Simon Glassabdc7b82018-11-18 14:22:27 -0700572 tpm_flush_specific(dev, cpu_to_be32(handle), type);
Mario Six7690be32017-01-11 16:00:50 +0100573 }
574
575 return 0;
576}
577#endif /* CONFIG_TPM_FLUSH_RESOURCES */
578
mario.six@gdsys.cc3d1df0e2017-03-20 10:28:30 +0100579#ifdef CONFIG_TPM_LIST_RESOURCES
580static int do_tpm_list(cmd_tbl_t *cmdtp, int flag, int argc,
581 char * const argv[])
582{
583 int type = 0;
Miquel Raynalb9804e52018-05-15 11:56:59 +0200584 u16 res_count;
585 u8 buf[288];
586 u8 *ptr;
mario.six@gdsys.cc3d1df0e2017-03-20 10:28:30 +0100587 int err;
588 uint i;
589
590 if (argc != 2)
591 return CMD_RET_USAGE;
592
593 if (!strcasecmp(argv[1], "key"))
594 type = TPM_RT_KEY;
595 else if (!strcasecmp(argv[1], "auth"))
596 type = TPM_RT_AUTH;
597 else if (!strcasecmp(argv[1], "hash"))
598 type = TPM_RT_HASH;
599 else if (!strcasecmp(argv[1], "trans"))
600 type = TPM_RT_TRANS;
601 else if (!strcasecmp(argv[1], "context"))
602 type = TPM_RT_CONTEXT;
603 else if (!strcasecmp(argv[1], "counter"))
604 type = TPM_RT_COUNTER;
605 else if (!strcasecmp(argv[1], "delegate"))
606 type = TPM_RT_DELEGATE;
607 else if (!strcasecmp(argv[1], "daa_tpm"))
608 type = TPM_RT_DAA_TPM;
609 else if (!strcasecmp(argv[1], "daa_v0"))
610 type = TPM_RT_DAA_V0;
611 else if (!strcasecmp(argv[1], "daa_v1"))
612 type = TPM_RT_DAA_V1;
613
614 if (!type) {
615 printf("Resource type %s unknown.\n", argv[1]);
616 return -1;
617 }
618
619 /* fetch list of already loaded resources in the TPM */
620 err = tpm_get_capability(TPM_CAP_HANDLE, type, buf,
621 sizeof(buf));
622 if (err) {
623 printf("tpm_get_capability returned error %d.\n", err);
624 return -1;
625 }
626 res_count = get_unaligned_be16(buf);
627 ptr = buf + 2;
628
629 printf("Resources of type %s (%02x):\n", argv[1], type);
630 if (!res_count) {
631 puts("None\n");
632 } else {
633 for (i = 0; i < res_count; ++i, ptr += 4)
634 printf("Index %d: %08x\n", i, get_unaligned_be32(ptr));
635 }
636
637 return 0;
638}
639#endif /* CONFIG_TPM_LIST_RESOURCES */
640
Miquel Raynald677bfe2018-05-15 11:57:06 +0200641TPM_COMMAND_NO_ARG(tpm_self_test_full)
642TPM_COMMAND_NO_ARG(tpm_continue_self_test)
643TPM_COMMAND_NO_ARG(tpm_force_clear)
644TPM_COMMAND_NO_ARG(tpm_physical_enable)
645TPM_COMMAND_NO_ARG(tpm_physical_disable)
Che-liang Chiou8732b072013-02-28 09:34:57 +0000646
Miquel Raynald677bfe2018-05-15 11:57:06 +0200647static cmd_tbl_t tpm1_commands[] = {
Philippe Reynes3780e2d2020-01-09 18:45:46 +0100648 U_BOOT_CMD_MKENT(device, 0, 1, do_tpm_device, "", ""),
Simon Glassad776942015-08-22 18:31:40 -0600649 U_BOOT_CMD_MKENT(info, 0, 1, do_tpm_info, "", ""),
Miquel Raynalc6179182018-05-15 11:57:00 +0200650 U_BOOT_CMD_MKENT(init, 0, 1, do_tpm_init, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000651 U_BOOT_CMD_MKENT(startup, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200652 do_tpm_startup, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000653 U_BOOT_CMD_MKENT(self_test_full, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200654 do_tpm_self_test_full, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000655 U_BOOT_CMD_MKENT(continue_self_test, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200656 do_tpm_continue_self_test, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000657 U_BOOT_CMD_MKENT(force_clear, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200658 do_tpm_force_clear, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000659 U_BOOT_CMD_MKENT(physical_enable, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200660 do_tpm_physical_enable, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000661 U_BOOT_CMD_MKENT(physical_disable, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200662 do_tpm_physical_disable, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000663 U_BOOT_CMD_MKENT(nv_define_space, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200664 do_tpm_nv_define_space, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000665 U_BOOT_CMD_MKENT(nv_read_value, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200666 do_tpm_nv_read_value, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000667 U_BOOT_CMD_MKENT(nv_write_value, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200668 do_tpm_nv_write_value, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000669 U_BOOT_CMD_MKENT(extend, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200670 do_tpm_extend, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000671 U_BOOT_CMD_MKENT(pcr_read, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200672 do_tpm_pcr_read, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000673 U_BOOT_CMD_MKENT(tsc_physical_presence, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200674 do_tpm_tsc_physical_presence, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000675 U_BOOT_CMD_MKENT(read_pubek, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200676 do_tpm_read_pubek, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000677 U_BOOT_CMD_MKENT(physical_set_deactivated, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200678 do_tpm_physical_set_deactivated, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000679 U_BOOT_CMD_MKENT(get_capability, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200680 do_tpm_get_capability, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000681 U_BOOT_CMD_MKENT(raw_transfer, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200682 do_tpm_raw_transfer, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000683 U_BOOT_CMD_MKENT(nv_define, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200684 do_tpm_nv_define, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000685 U_BOOT_CMD_MKENT(nv_read, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200686 do_tpm_nv_read, "", ""),
Che-liang Chiou8732b072013-02-28 09:34:57 +0000687 U_BOOT_CMD_MKENT(nv_write, 0, 1,
Miquel Raynalc6179182018-05-15 11:57:00 +0200688 do_tpm_nv_write, "", ""),
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200689#ifdef CONFIG_TPM_AUTH_SESSIONS
690 U_BOOT_CMD_MKENT(oiap, 0, 1,
691 do_tpm_oiap, "", ""),
692 U_BOOT_CMD_MKENT(end_oiap, 0, 1,
693 do_tpm_end_oiap, "", ""),
694 U_BOOT_CMD_MKENT(load_key2_oiap, 0, 1,
695 do_tpm_load_key2_oiap, "", ""),
mario.six@gdsys.cc0f4b2ba2017-03-20 10:28:28 +0100696#ifdef CONFIG_TPM_LOAD_KEY_BY_SHA1
697 U_BOOT_CMD_MKENT(load_key_by_sha1, 0, 1,
698 do_tpm_load_key_by_sha1, "", ""),
699#endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200700 U_BOOT_CMD_MKENT(get_pub_key_oiap, 0, 1,
701 do_tpm_get_pub_key_oiap, "", ""),
702#endif /* CONFIG_TPM_AUTH_SESSIONS */
Mario Six7690be32017-01-11 16:00:50 +0100703#ifdef CONFIG_TPM_FLUSH_RESOURCES
704 U_BOOT_CMD_MKENT(flush, 0, 1,
705 do_tpm_flush, "", ""),
706#endif /* CONFIG_TPM_FLUSH_RESOURCES */
mario.six@gdsys.cc3d1df0e2017-03-20 10:28:30 +0100707#ifdef CONFIG_TPM_LIST_RESOURCES
708 U_BOOT_CMD_MKENT(list, 0, 1,
709 do_tpm_list, "", ""),
710#endif /* CONFIG_TPM_LIST_RESOURCES */
Che-liang Chiou8732b072013-02-28 09:34:57 +0000711};
Luigi Semenzatoeea3f4d2012-12-05 14:46:44 +0000712
Miquel Raynal2a2096e2018-07-19 22:35:09 +0200713cmd_tbl_t *get_tpm1_commands(unsigned int *size)
Luigi Semenzatoeea3f4d2012-12-05 14:46:44 +0000714{
Miquel Raynald677bfe2018-05-15 11:57:06 +0200715 *size = ARRAY_SIZE(tpm1_commands);
Che-liang Chiou8732b072013-02-28 09:34:57 +0000716
Miquel Raynald677bfe2018-05-15 11:57:06 +0200717 return tpm1_commands;
Luigi Semenzatoeea3f4d2012-12-05 14:46:44 +0000718}
719
Che-liang Chiou8732b072013-02-28 09:34:57 +0000720U_BOOT_CMD(tpm, CONFIG_SYS_MAXARGS, 1, do_tpm,
Miquel Raynald677bfe2018-05-15 11:57:06 +0200721"Issue a TPMv1.x command",
Che-liang Chiou8732b072013-02-28 09:34:57 +0000722"cmd args...\n"
723" - Issue TPM command <cmd> with arguments <args...>.\n"
724"Admin Startup and State Commands:\n"
Philippe Reynes3780e2d2020-01-09 18:45:46 +0100725" device [num device]\n"
726" - Show all devices or set the specified device\n"
Simon Glassad776942015-08-22 18:31:40 -0600727" info - Show information about the TPM\n"
Che-liang Chiou8732b072013-02-28 09:34:57 +0000728" init\n"
729" - Put TPM into a state where it waits for 'startup' command.\n"
730" startup mode\n"
731" - Issue TPM_Starup command. <mode> is one of TPM_ST_CLEAR,\n"
732" TPM_ST_STATE, and TPM_ST_DEACTIVATED.\n"
733"Admin Testing Commands:\n"
734" self_test_full\n"
735" - Test all of the TPM capabilities.\n"
736" continue_self_test\n"
737" - Inform TPM that it should complete the self-test.\n"
738"Admin Opt-in Commands:\n"
739" physical_enable\n"
740" - Set the PERMANENT disable flag to FALSE using physical presence as\n"
741" authorization.\n"
742" physical_disable\n"
743" - Set the PERMANENT disable flag to TRUE using physical presence as\n"
744" authorization.\n"
745" physical_set_deactivated 0|1\n"
746" - Set deactivated flag.\n"
747"Admin Ownership Commands:\n"
748" force_clear\n"
749" - Issue TPM_ForceClear command.\n"
750" tsc_physical_presence flags\n"
751" - Set TPM device's Physical Presence flags to <flags>.\n"
752"The Capability Commands:\n"
753" get_capability cap_area sub_cap addr count\n"
754" - Read <count> bytes of TPM capability indexed by <cap_area> and\n"
755" <sub_cap> to memory address <addr>.\n"
mario.six@gdsys.cc3d1df0e2017-03-20 10:28:30 +0100756#if defined(CONFIG_TPM_FLUSH_RESOURCES) || defined(CONFIG_TPM_LIST_RESOURCES)
Mario Six7690be32017-01-11 16:00:50 +0100757"Resource management functions\n"
mario.six@gdsys.cc3d1df0e2017-03-20 10:28:30 +0100758#endif
759#ifdef CONFIG_TPM_FLUSH_RESOURCES
Mario Six7690be32017-01-11 16:00:50 +0100760" flush resource_type id\n"
761" - flushes a resource of type <resource_type> (may be one of key, auth,\n"
762" hash, trans, context, counter, delegate, daa_tpm, daa_v0, daa_v1),\n"
763" and id <id> from the TPM. Use an <id> of \"all\" to flush all\n"
764" resources of that type.\n"
765#endif /* CONFIG_TPM_FLUSH_RESOURCES */
mario.six@gdsys.cc3d1df0e2017-03-20 10:28:30 +0100766#ifdef CONFIG_TPM_LIST_RESOURCES
767" list resource_type\n"
768" - lists resources of type <resource_type> (may be one of key, auth,\n"
769" hash, trans, context, counter, delegate, daa_tpm, daa_v0, daa_v1),\n"
770" contained in the TPM.\n"
771#endif /* CONFIG_TPM_LIST_RESOURCES */
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200772#ifdef CONFIG_TPM_AUTH_SESSIONS
773"Storage functions\n"
774" loadkey2_oiap parent_handle key_addr key_len usage_auth\n"
775" - loads a key data from memory address <key_addr>, <key_len> bytes\n"
776" into TPM using the parent key <parent_handle> with authorization\n"
777" <usage_auth> (20 bytes hex string).\n"
mario.six@gdsys.cc0f4b2ba2017-03-20 10:28:28 +0100778#ifdef CONFIG_TPM_LOAD_KEY_BY_SHA1
779" load_key_by_sha1 parent_hash key_addr key_len usage_auth\n"
780" - loads a key data from memory address <key_addr>, <key_len> bytes\n"
781" into TPM using the parent hash <parent_hash> (20 bytes hex string)\n"
782" with authorization <usage_auth> (20 bytes hex string).\n"
783#endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200784" get_pub_key_oiap key_handle usage_auth\n"
785" - get the public key portion of a loaded key <key_handle> using\n"
786" authorization <usage auth> (20 bytes hex string)\n"
787#endif /* CONFIG_TPM_AUTH_SESSIONS */
Che-liang Chiou8732b072013-02-28 09:34:57 +0000788"Endorsement Key Handling Commands:\n"
789" read_pubek addr count\n"
790" - Read <count> bytes of the public endorsement key to memory\n"
791" address <addr>\n"
792"Integrity Collection and Reporting Commands:\n"
793" extend index digest_hex_string\n"
794" - Add a new measurement to a PCR. Update PCR <index> with the 20-bytes\n"
795" <digest_hex_string>\n"
796" pcr_read index addr count\n"
797" - Read <count> bytes from PCR <index> to memory address <addr>.\n"
Reinhard Pfaube6c1522013-06-26 15:55:13 +0200798#ifdef CONFIG_TPM_AUTH_SESSIONS
799"Authorization Sessions\n"
800" oiap\n"
801" - setup an OIAP session\n"
802" end_oiap\n"
803" - terminates an active OIAP session\n"
804#endif /* CONFIG_TPM_AUTH_SESSIONS */
Che-liang Chiou8732b072013-02-28 09:34:57 +0000805"Non-volatile Storage Commands:\n"
806" nv_define_space index permission size\n"
807" - Establish a space at index <index> with <permission> of <size> bytes.\n"
808" nv_read_value index addr count\n"
809" - Read <count> bytes from space <index> to memory address <addr>.\n"
810" nv_write_value index addr count\n"
811" - Write <count> bytes from memory address <addr> to space <index>.\n"
812"Miscellaneous helper functions:\n"
813" raw_transfer byte_string\n"
814" - Send a byte string <byte_string> to TPM and print the response.\n"
815" Non-volatile storage helper functions:\n"
816" These helper functions treat a non-volatile space as a non-padded\n"
817" sequence of integer values. These integer values are defined by a type\n"
818" string, which is a text string of 'bwd' characters: 'b' means a 8-bit\n"
819" value, 'w' 16-bit value, 'd' 32-bit value. All helper functions take\n"
820" a type string as their first argument.\n"
821" nv_define type_string index perm\n"
822" - Define a space <index> with permission <perm>.\n"
823" nv_read types_string index vars...\n"
824" - Read from space <index> to environment variables <vars...>.\n"
825" nv_write types_string index values...\n"
826" - Write to space <index> from values <values...>.\n"
Luigi Semenzatoeea3f4d2012-12-05 14:46:44 +0000827);