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. 2004-2006
8 *
9 */
10
11
12#include <stdlib.h>
13#include <stdio.h>
14#include <string.h>
15#include <inttypes.h>
16
17#include "trousers/tss.h"
18#include "trousers_types.h"
19#include "tcs_tsp.h"
20#include "tcsps.h"
21#include "tcs_utils.h"
22#include "tcs_int_literals.h"
23#include "capabilities.h"
24#include "tcslog.h"
25#include "req_mgr.h"
26#include "tcsd_wrap.h"
27#include "tcsd.h"
28
29
30TSS_RESULT
31TCSP_UnBind_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
32		     TCS_KEY_HANDLE keyHandle,	/* in */
33		     UINT32 inDataSize,	/* in */
34		     BYTE * inData,	/* in */
35		     TPM_AUTH * privAuth,	/* in, out */
36		     UINT32 * outDataSize,	/* out */
37		     BYTE ** outData)	/* out */
38{
39	UINT32 paramSize;
40	TSS_RESULT result;
41	UINT64 offset = 0;
42	TCPA_KEY_HANDLE keySlot;
43	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
44
45	LogDebug("Entering TCSI_UnBind");
46	if ((result = ctx_verify_context(hContext)))
47		goto done;
48
49	if (privAuth != NULL) {
50		LogDebug("Auth Used");
51		if ((result = auth_mgr_check(hContext, &privAuth->AuthHandle)))
52			goto done;
53	} else {
54		LogDebug("No Auth");
55	}
56
57	LogDebugFn("calling ensureKeyIsLoaded for TCS handle 0x%x", keyHandle);
58	if ((result = ensureKeyIsLoaded(hContext, keyHandle, &keySlot)))
59		goto done;
60
61	if ((result = tpm_rqu_build(TPM_ORD_UnBind, &offset, txBlob, keySlot, inDataSize, inData,
62				    privAuth, NULL)))
63		return result;
64
65	if ((result = req_mgr_submit_req(txBlob)))
66		goto done;
67
68	result = UnloadBlob_Header(txBlob, &paramSize);
69	if (!result) {
70		result = tpm_rsp_parse(TPM_ORD_UnBind, txBlob, paramSize, outDataSize, outData,
71				       privAuth, NULL);
72	}
73
74done:
75	auth_mgr_release_auth(privAuth, NULL, hContext);
76	return result;
77}
78
79