Index: mtm/mtm_handles.c |
diff --git a/mtm/mtm_handles.c b/mtm/mtm_handles.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..68f44820ed14fe7a7110b03792e320351d417e95 |
--- /dev/null |
+++ b/mtm/mtm_handles.c |
@@ -0,0 +1,52 @@ |
+/* 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; |
+} |
+ |