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. 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_Quote_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
32		    TCS_KEY_HANDLE keyHandle,	/* in */
33		    TCPA_NONCE antiReplay,	/* in */
34		    UINT32 pcrDataSizeIn,	/* in */
35		    BYTE * pcrDataIn,	/* in */
36		    TPM_AUTH * privAuth,	/* in, out */
37		    UINT32 * pcrDataSizeOut,	/* out */
38		    BYTE ** pcrDataOut,	/* out */
39		    UINT32 * sigSize,	/* out */
40		    BYTE ** sig)	/* out */
41{
42
43	UINT64 offset = 0;
44	UINT32 paramSize;
45	TSS_RESULT result;
46	UINT32 keySlot;
47	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
48
49	LogDebug("Entering quote");
50
51	if ((result = ctx_verify_context(hContext)))
52		goto done;
53
54	if (privAuth != NULL) {
55		LogDebug("Auth Used");
56		if ((result = auth_mgr_check(hContext, &privAuth->AuthHandle)))
57			goto done;
58	} else {
59		LogDebug("No Auth");
60	}
61	if ((result = ensureKeyIsLoaded(hContext, keyHandle, &keySlot)))
62		goto done;
63
64	if ((result = tpm_rqu_build(TPM_ORD_Quote, &offset, txBlob, keySlot, antiReplay.nonce,
65				    pcrDataSizeIn, pcrDataIn, privAuth)))
66		goto done;
67
68	if ((result = req_mgr_submit_req(txBlob)))
69		goto done;
70
71	result = UnloadBlob_Header(txBlob, &paramSize);
72	if (!result) {
73		result = tpm_rsp_parse(TPM_ORD_Quote, txBlob, paramSize, pcrDataSizeOut, pcrDataOut,
74				       sigSize, sig, privAuth);
75	}
76	LogResult("Quote", result);
77done:
78	auth_mgr_release_auth(privAuth, NULL, hContext);
79	return result;
80}
81
82