| Index: mtm/mtm_integrity.c
|
| diff --git a/mtm/mtm_integrity.c b/mtm/mtm_integrity.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..1b476e76e8064e401196e020576556fe3e38435a
|
| --- /dev/null
|
| +++ b/mtm/mtm_integrity.c
|
| @@ -0,0 +1,43 @@
|
| +/* Software-based Mobile Trusted Module (MTM) Emulator
|
| + * Copyright (C) 2004-2010 Mario Strasser <mast@gmx.net>
|
| + *
|
| + * This module is free software; you can redistribute it and/or modify
|
| + * it under the terms of the GNU General Public License as published
|
| + * by the Free Software Foundation; either version 2 of the License,
|
| + * or (at your option) any later version.
|
| + *
|
| + * This module is distributed in the hope that it will be useful,
|
| + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| + * GNU General Public License for more details.
|
| + *
|
| + * $Id$
|
| + */
|
| +
|
| +#include "mtm_structures.h"
|
| +#include "mtm_data.h"
|
| +#include "tpm/tpm_commands.h"
|
| +
|
| +TPM_RESULT MTM_Extend(TPM_PCRINDEX pcrNum, TPM_DIGEST *inDigest,
|
| + TPM_PCRVALUE *outDigest)
|
| +{
|
| + info("MTM_Extend()");
|
| + if (mtmData.permanent.data.verifiedPCRs.pcrSelect[pcrNum >> 3] & (1 << (pcrNum & 7))) {
|
| + return TPM_BAD_LOCALITY;
|
| + }
|
| + return TPM_Extend(pcrNum, inDigest, outDigest);
|
| +}
|
| +
|
| +TPM_RESULT MTM_PCR_Reset(TPM_PCR_SELECTION *pcrSelection)
|
| +{
|
| + int i;
|
| + info("MTM_PCR_Reset()");
|
| + for (i = 0; i < pcrSelection->sizeOfSelect * 8; i++) {
|
| + if ((pcrSelection->pcrSelect[i >> 3] & (1 << (i & 7)))
|
| + && (mtmData.permanent.data.verifiedPCRs.pcrSelect[i >> 3] & (1 << (i & 7)))) {
|
| + return TPM_FAIL;
|
| + }
|
| + }
|
| + return TPM_PCR_Reset(pcrSelection);
|
| +}
|
| +
|
|
|