1
2 /*
3 * Licensed Materials - Property of IBM
4 *
5 * trousers - An open source TCG Software Stack
6 *
7 * (C) Copyright International Business Machines Corp. 2004-2007
8 *
9 */
10
11
12 #include <stdlib.h>
13 #include <stdio.h>
14 #include <string.h>
15 #include <unistd.h>
16 #include <sys/types.h>
17 #include <sys/stat.h>
18 #include <sys/mman.h>
19 #include <fcntl.h>
20 #include <errno.h>
21
22 #include "trousers/tss.h"
23 #include "trousers_types.h"
24 #include "trousers_types.h"
25 #include "tcs_tsp.h"
26 #include "tcs_utils.h"
27 #include "tcs_int_literals.h"
28 #include "capabilities.h"
29 #include "tcsps.h"
30 #include "tcslog.h"
31 #include "tddl.h"
32 #include "req_mgr.h"
33 #include "tcsd_wrap.h"
34 #include "tcsd.h"
35
36 TSS_RESULT
UnloadBlob_PCR_INFO_SHORT(UINT64 * offset,BYTE * blob,TPM_PCR_INFO_SHORT * pcrInfoOut)37 UnloadBlob_PCR_INFO_SHORT(UINT64 *offset, BYTE *blob, TPM_PCR_INFO_SHORT *pcrInfoOut)
38 {
39 TSS_RESULT result;
40 BYTE locAtRelease;
41 TPM_DIGEST digest;
42
43 LogDebugFn("UnloadBlob_PCR_INFO_SHORT.");
44 /* Only adjust the offset until the end of this data type */
45 if (!pcrInfoOut) {
46 if ((result = UnloadBlob_PCR_SELECTION(offset, blob, NULL)))
47 return result;
48 /* What should go to &pcrInfoOut->localityAtRelease */
49 UnloadBlob_BYTE(offset, NULL, blob);
50 /* What should go to &pcrInfoOut->digestAtRelease */
51 UnloadBlob_DIGEST(offset, blob, NULL);
52 return TSS_SUCCESS;
53 }
54
55 /* Normal retrieve or TPM_PCR_INFO_SHORT (not used yet, kept for
56 * integrity purposes.
57 * TPM_PCR_SELECTION pcrSelection
58 * TPM_LOCALITY_SELECTION localityAtRelease
59 * TPM_COMPOSITE_HASH digestAtRelease
60 * */
61 if ((result = UnloadBlob_PCR_SELECTION(offset, blob, &pcrInfoOut->pcrSelection)))
62 return result;
63
64 UnloadBlob_BYTE(offset, &locAtRelease, blob);
65 pcrInfoOut->localityAtRelease = locAtRelease;
66 UnloadBlob_DIGEST(offset, blob, &digest);
67 pcrInfoOut->digestAtRelease = digest;
68
69 return TSS_SUCCESS;
70 }
71
72
73