Upgrade to tpm-emulator version 0.7.

mtm/mtm_handles.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_handles.h"
+#include "mtm_data.h"
+
+MTM_KEY_DATA *mtm_get_key_slot(TPM_VERIFICATION_KEY_HANDLE handle)
+{
+  if (handle == TPM_INVALID_HANDLE) return NULL;
+  handle &= 0x00ffffff;
+  if (handle < TPM_MAX_KEYS) return NULL;
+  handle -= TPM_MAX_KEYS;
+  if (handle >= MTM_MAX_KEYS) return NULL;
+  return &mtmData.permanent.data.keys[handle];
+}
+
+MTM_KEY_DATA *mtm_get_key(TPM_VERIFICATION_KEY_HANDLE handle)
+{
+  if (handle == TPM_INVALID_HANDLE
+      || (handle >> 24) != TPM_RT_KEY) return NULL;
+  handle &= 0x00ffffff;
+  if (handle < TPM_MAX_KEYS) return NULL;
+  handle -= TPM_MAX_KEYS;
+  if (handle >= MTM_MAX_KEYS
+      || !mtmData.permanent.data.keys[handle].valid) return NULL;
+  return &mtmData.permanent.data.keys[handle]; 
+}
+
+MTM_KEY_DATA *mtm_get_key_by_id(TPM_VERIFICATION_KEY_ID id)
+{
+  int i;
+  for (i = 0; i < MTM_MAX_KEYS; i++) {
+    if (mtmData.permanent.data.keys[i].valid
+        && mtmData.permanent.data.keys[i].myId == id)
+      return &mtmData.permanent.data.keys[i];
+  }
+  return NULL;
+}
+