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Side by Side Diff: tests/tpm_lite/redefine.c

Issue 2919010: Add tpm lite to vboot reference (Closed) Base URL: ssh://gitrw.chromium.org/vboot_reference.git
Patch Set: Created 10 years, 5 months ago
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1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 */
5
6 /* Test of protection from space redefinition.
7 *
8 * This test is actually not that interesting because, if I am right, space
9 * redefinition is not allowed with PP only. It requires
10 * TPM_TAG_RQU_AUTH1_COMMAND with owner authentication.
11 */
12
13 #include <stdio.h>
14 #include <stdint.h>
15 #include <stdlib.h>
16 #include <tss/tcs.h>
17
18 #include "tlcl.h"
19 #include "utility.h"
20
21 #define INDEX0 0xcafe
22 #define INDEX1 0xcaff
23
24 int main(int argc, char** argv) {
25 uint32_t perm;
26 uint32_t result;
27 uint32_t x;
28
29 TlclLibInit();
30 TlclStartup();
31 TlclSelftestfull();
32 TlclAssertPhysicalPresence();
33
34 result = TlclRead(INDEX0, (uint8_t*) &x, sizeof(x));
35 if (result == TPM_E_BADINDEX) {
36 VBDEBUG(("creating INDEX0\n"));
37 } else {
38 VBDEBUG(("redefining INDEX0\n"));
39 }
40 perm = TPM_NV_PER_PPWRITE | TPM_NV_PER_GLOBALLOCK;
41 TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
42
43 result = TlclRead(INDEX0, (uint8_t*) &x, sizeof(x));
44 if (result == TPM_E_BADINDEX) {
45 VBDEBUG(("redefining INDEX1\n"));
46 } else {
47 VBDEBUG(("creating INDEX1\n"));
48 }
49 perm = TPM_NV_PER_PPWRITE;
50 TlclDefineSpace(INDEX1, perm, sizeof(uint32_t));
51
52 // Sets the global lock.
53 TlclSetGlobalLock();
54
55 // Verifies that index0 cannot be redefined.
56 result = TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
57 if (result == TPM_SUCCESS) {
58 error("unexpected success redefining INDEX0\n");
59 exit(1);
60 }
61
62 // Turns off PP.
63 TlclLockPhysicalPresence();
64
65 // Verifies that neither index0 nor index1 cannot be redefined.
66 result = TlclDefineSpace(INDEX0, perm, sizeof(uint32_t));
67 if (result == TPM_SUCCESS) {
68 error("unexpected success redefining INDEX0\n");
69 exit(1);
70 }
71 result = TlclDefineSpace(INDEX1, perm, sizeof(uint32_t));
72 if (result == TPM_SUCCESS) {
73 error("unexpected success redefining INDEX1\n");
74 exit(1);
75 }
76
77 printf("Test completed successfully\n");
78 exit(0);
79 }
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