Initial version of tpm_init, a library for taking ownership of the TPM.

secure_blob.h

+// Copyright (c) 2009-2010 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TPM_INIT_SECURE_BLOB_H_
+#define TPM_INIT_SECURE_BLOB_H_
+
+#include <chromeos/utility.h>
+
+namespace tpm_init {
+
+typedef unsigned char SecureBlobElement;
+
+// SecureBlob erases the contents on destruction.  It does not guarantee erasure
+// on resize, assign, etc.
+class SecureBlob : public chromeos::Blob {
+ public:
+  SecureBlob();
+  SecureBlob(chromeos::Blob::const_iterator begin,
+             chromeos::Blob::const_iterator end);
+  explicit SecureBlob(int size);
+  SecureBlob(const unsigned char* from, int from_length);
+  SecureBlob(const char* from, int from_length);
+  virtual ~SecureBlob();
+
+  void resize(size_type sz);
+  void resize(size_type sz, const SecureBlobElement& x);
+
+  void clear_contents();
+
+  void* data();
+  const void* const_data() const;
+};
+
+}  // tpm_init
+
+#endif  // TPM_INIT_SECURE_BLOB_H_