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 
30 TSS_RESULT
TCSP_Quote_Internal(TCS_CONTEXT_HANDLE hContext,TCS_KEY_HANDLE keyHandle,TCPA_NONCE antiReplay,UINT32 pcrDataSizeIn,BYTE * pcrDataIn,TPM_AUTH * privAuth,UINT32 * pcrDataSizeOut,BYTE ** pcrDataOut,UINT32 * sigSize,BYTE ** sig)31 TCSP_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);
77 done:
78           auth_mgr_release_auth(privAuth, NULL, hContext);
79           return result;
80 }
81 
82