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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004-2007
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <errno.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_Extend(TSS_HCONTEXT tspContext, /* in */
TCPA_PCRINDEX pcrNum, /* in */
TCPA_DIGEST inDigest, /* in */
TCPA_PCRVALUE * outDigest) /* out */
{
TSS_RESULT result;
UINT64 offset;
TCS_HANDLE handlesLen = 0;
UINT32 decLen;
BYTE data[sizeof(TCPA_PCRINDEX) + sizeof(TCPA_DIGEST)], *dec;
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
offset = 0;
Trspi_LoadBlob_UINT32(&offset, pcrNum, data);
Trspi_LoadBlob(&offset, TPM_SHA1_160_HASH_LEN, data, inDigest.digest);
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_Extend, sizeof(data), data,
NULL, &handlesLen, NULL, NULL, NULL, &decLen,
&dec)))
return result;
offset = 0;
Trspi_UnloadBlob(&offset, decLen, dec, outDigest->digest);
free(dec);
return TSS_SUCCESS;
}
TSS_RESULT
Transport_PcrRead(TSS_HCONTEXT tspContext, /* in */
TCPA_PCRINDEX pcrNum, /* in */
TCPA_PCRVALUE * outDigest) /* out */
{
TSS_RESULT result;
UINT64 offset;
TCS_HANDLE handlesLen = 0;
UINT32 decLen;
BYTE data[sizeof(TCPA_PCRINDEX)], *dec;
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
offset = 0;
Trspi_LoadBlob_UINT32(&offset, pcrNum, data);
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_PcrRead, sizeof(data),
data, NULL, &handlesLen, NULL, NULL, NULL,
&decLen, &dec)))
return result;
offset = 0;
Trspi_UnloadBlob(&offset, decLen, dec, outDigest->digest);
free(dec);
return TSS_SUCCESS;
}
TSS_RESULT
Transport_PcrReset(TSS_HCONTEXT tspContext, /* in */
UINT32 pcrDataSizeIn, /* in */
BYTE * pcrDataIn) /* in */
{
TSS_RESULT result;
TCS_HANDLE handlesLen = 0;
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
return obj_context_transport_execute(tspContext, TPM_ORD_PCR_Reset, pcrDataSizeIn,
pcrDataIn, NULL, &handlesLen, NULL, NULL, NULL, NULL,
NULL);
}
#endif
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