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); |
+} |
+ |