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
|
/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004-2007
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "trousers/tss.h"
#include "trousers/trousers.h"
#include "trousers_types.h"
#include "spi_utils.h"
#include "capabilities.h"
#include "tsplog.h"
#include "obj.h"
TSS_RESULT
Transport_LoadKeyByBlob(TSS_HCONTEXT hContext,
TPM_COMMAND_CODE ordinal,
TSS_HKEY hParentKey,
UINT32 ulBlobLength,
BYTE* rgbBlobData,
TPM_AUTH* pAuth,
TCS_KEY_HANDLE* phKey,
TPM_KEY_HANDLE* phSlot)
{
TSS_RESULT result;
UINT32 handleListSize, decLen;
TCS_KEY_HANDLE hTCSParentKey;
TCS_HANDLE *handleList;
BYTE *dec = NULL;
TPM_DIGEST pubKeyHash;
Trspi_HashCtx hashCtx;
if ((result = obj_context_transport_init(hContext)) == TSS_TSPATTRIB_DISABLE_TRANSPORT) {
if ((result = obj_rsakey_get_tcs_handle(hParentKey, &hTCSParentKey)))
return result;
return TCSP_LoadKeyByBlob(hContext, hTCSParentKey, ulBlobLength, rgbBlobData, pAuth,
phKey, phSlot);
} else if (result != TSS_TSPATTRIB_ENABLE_TRANSPORT)
return result;
LogDebugFn("Executing in a transport session");
if ((result = obj_rsakey_get_transport_attribs(hParentKey, &hTCSParentKey, &pubKeyHash)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_DIGEST(&hashCtx, pubKeyHash.digest);
if ((result |= Trspi_HashFinal(&hashCtx, pubKeyHash.digest)))
return result;
/* Call ExecuteTransport */
handleListSize = 1;
if ((handleList = malloc(sizeof(TCS_HANDLE))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(TCS_HANDLE));
return TSPERR(TSS_E_OUTOFMEMORY);
}
*handleList = hTCSParentKey;
if ((result = obj_context_transport_execute(hContext, ordinal, ulBlobLength,
rgbBlobData, &pubKeyHash, &handleListSize,
&handleList, pAuth, NULL, &decLen, &dec))) {
free(handleList);
return result;
}
if (handleListSize == 1)
*phKey = *(TCS_KEY_HANDLE *)handleList;
else
result = TSPERR(TSS_E_INTERNAL_ERROR);
free(handleList);
free(dec);
return result;
}
|
