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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2007
*
*/
#include <stdlib.h>
#include <string.h>
#include <limits.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_ActivateTPMIdentity(TSS_HCONTEXT tspContext,
TCS_KEY_HANDLE idKey, /* in */
UINT32 blobSize, /* in */
BYTE * blob, /* in */
TPM_AUTH * idKeyAuth, /* in, out */
TPM_AUTH * ownerAuth, /* in, out */
UINT32 * SymmetricKeySize, /* out */
BYTE ** SymmetricKey) /* out */
{
TSS_RESULT result;
UINT32 handlesLen, decLen;
TCS_HANDLE *handles, handle;
TPM_DIGEST pubKeyHash;
Trspi_HashCtx hashCtx;
BYTE *dec;
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
if ((result = obj_tcskey_get_pubkeyhash(idKey, pubKeyHash.digest)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_DIGEST(&hashCtx, pubKeyHash.digest);
if ((result |= Trspi_HashFinal(&hashCtx, pubKeyHash.digest)))
return result;
handlesLen = 1;
handle = idKey;
handles = &handle;
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_ActivateIdentity, blobSize,
blob, &pubKeyHash, &handlesLen, &handles,
idKeyAuth, ownerAuth, &decLen, &dec)))
return result;
*SymmetricKeySize = decLen;
*SymmetricKey = dec;
return result;
}
TSS_RESULT
Transport_MakeIdentity2(TSS_HCONTEXT tspContext,
TCPA_ENCAUTH identityAuth, /* in */
TCPA_CHOSENID_HASH IDLabel_PrivCAHash, /* in */
UINT32 idKeyInfoSize, /* in */
BYTE * idKeyInfo, /* in */
TPM_AUTH * pSrkAuth, /* in, out */
TPM_AUTH * pOwnerAuth, /* in, out */
UINT32 * idKeySize, /* out */
BYTE ** idKey, /* out */
UINT32 * pcIdentityBindingSize, /* out */
BYTE ** prgbIdentityBinding) /* out */
{
UINT64 offset;
TSS_RESULT result;
UINT32 handlesLen = 0, decLen, dataLen;
BYTE *dec, *data;
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
dataLen = sizeof(TCPA_ENCAUTH) + sizeof(TCPA_CHOSENID_HASH) + idKeyInfoSize;
if ((data = malloc(dataLen)) == NULL) {
LogError("malloc of %u bytes failed", dataLen);
return TSPERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
Trspi_LoadBlob(&offset, sizeof(TCPA_ENCAUTH), data, identityAuth.authdata);
Trspi_LoadBlob(&offset, sizeof(TCPA_CHOSENID_HASH), data, IDLabel_PrivCAHash.digest);
Trspi_LoadBlob(&offset, idKeyInfoSize, data, idKeyInfo);
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_MakeIdentity, dataLen,
data, NULL, &handlesLen, NULL, pSrkAuth,
pOwnerAuth, &decLen, &dec))) {
free(data);
return result;
}
free(data);
offset = 0;
UnloadBlob_TSS_KEY(&offset, dec, NULL);
*idKeySize = offset;
if ((*idKey = malloc(*idKeySize)) == NULL) {
free(dec);
LogError("malloc of %u bytes failed", *idKeySize);
*idKeySize = 0;
return TSPERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
Trspi_UnloadBlob(&offset, *idKeySize, dec, *idKey);
Trspi_UnloadBlob_UINT32(&offset, pcIdentityBindingSize, dec);
if ((*prgbIdentityBinding = malloc(*pcIdentityBindingSize)) == NULL) {
free(dec);
free(*idKey);
*idKey = NULL;
*idKeySize = 0;
LogError("malloc of %u bytes failed", *pcIdentityBindingSize);
*pcIdentityBindingSize = 0;
return TSPERR(TSS_E_OUTOFMEMORY);
}
Trspi_UnloadBlob(&offset, *pcIdentityBindingSize, dec, *prgbIdentityBinding);
free(dec);
return result;
}
#endif
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