Imported Upstream version 1.3upstream/1.3

1 files changed, 57 insertions, 0 deletions

diff --git a/secure_memory.h b/secure_memory.h
new file mode 100644
index 0000000..d48d6d6
--- /dev/null
+++ b/secure_memory.h
@@ -0,0 +1,57 @@
+/*
+  secure_memory.h - definitions of data structures residing in secure memory
+  (c) 2004-2005 Zeljko Vrba <zvrba@globalnet.hr>
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+#ifndef SECURE_MEMORY_H__
+#define SECURE_MEMORY_H__
+
+/**
+ * @file
+ * This defines the contents of the secure memory.
+ */
+
+/** Maximum size of random state. */
+#define	MAX_RANDOM_STATE_SIZE	8192
+
+struct secure_memory {
+	unsigned char random_state[MAX_RANDOM_STATE_SIZE];
+	unsigned int  random_numbers[64];
+	char          passphrase[1];
+};
+
+extern struct secure_memory *G_secure_memory;
+extern unsigned int G_secure_memory_size;
+
+/**
+ * Set up a chunk of secure memory.
+ * 
+ * @return	0 if at least one operation failed, 1 otherwise. In either case
+ * the program execution can continue. There may be other side-effects such
+ * as printing warnings. If there was a fatal error, this function will
+ * terminate the program.
+ */
+int secure_memory_init(void);
+
+/** Destroy secure memory. Zeroes it before destruction. */
+void secure_memory_destroy(void);
+
+#endif	/* SECURE_MEMORY_H__ */