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      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
     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