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
89
90
91
92
|
/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2007
*
*/
#include <stdlib.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"
#ifdef TSS_BUILD_TRANSPORT
TSS_RESULT
Transport_UnBind(TSS_HCONTEXT tspContext, /* in */
TCS_KEY_HANDLE keyHandle, /* in */
UINT32 inDataSize, /* in */
BYTE * inData, /* in */
TPM_AUTH * privAuth, /* in, out */
UINT32 * outDataSize, /* out */
BYTE ** outData) /* out */
{
TSS_RESULT result;
UINT32 handlesLen, dataLen, decLen;
TCS_HANDLE *handles, handle;
TPM_DIGEST pubKeyHash;
Trspi_HashCtx hashCtx;
BYTE *dec, *data;
UINT64 offset;
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
if ((result = obj_tcskey_get_pubkeyhash(keyHandle, pubKeyHash.digest)))
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;
handlesLen = 1;
handle = keyHandle;
handles = &handle;
dataLen = sizeof(UINT32) + inDataSize;
if ((data = malloc(dataLen)) == NULL) {
LogError("malloc of %u bytes failed", dataLen);
return TSPERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
Trspi_LoadBlob_UINT32(&offset, inDataSize, data);
Trspi_LoadBlob(&offset, inDataSize, data, inData);
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_UnBind, dataLen, data,
&pubKeyHash, &handlesLen, &handles,
privAuth, NULL, &decLen, &dec))) {
free(data);
return result;
}
free(data);
offset = 0;
Trspi_UnloadBlob_UINT32(&offset, outDataSize, dec);
if ((*outData = malloc(*outDataSize)) == NULL) {
free(dec);
LogError("malloc of %u bytes failed", *outDataSize);
return TSPERR(TSS_E_OUTOFMEMORY);
}
Trspi_UnloadBlob(&offset, *outDataSize, dec, *outData);
free(dec);
return TSS_SUCCESS;
}
#endif
|
