Upgrade to tpm-emulator version 0.7.

mtm/mtm_integrity.c

+/* 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);
+}
+