Vboot reference: A basic user-land verified boot firmware signing and verification utility.

src/platform/vboot_reference/include/firmware_utility.h

+// Copyright (c) 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 VBOOT_REFERENCE_FIRMWARE_UTILITY_H_
+#define VBOOT_REFERENCE_FIRMWARE_UTILITY_H_
+
+#include <string>
+
+class FirmwareImage;
+struct RSAPublicKey;
+
+namespace vboot_reference {
+
+// A class for handling verified boot firmware images.
+class FirmwareUtility {
+ public:
+  FirmwareUtility();
+  ~FirmwareUtility();
+
+  // Print usage to stderr.
+  void PrintUsage(void);
+
+  // Parse command line options and populate data members.
+  // Return true on success, false on failure.
+  bool ParseCmdLineOptions(int argc, char* argv[]);
+
+  // Generate a verified boot image by reading firmware data from in_file_.
+  // Return true on success, false on failure.
+  bool GenerateSignedImage();
+
+  // Verify a previously generated signed firmware image using the root key read
+  // from [root_key_pub_file_].
+  bool VerifySignedImage();
+
+  // Output the verified boot image to out_file_.
+  void OutputSignedImage();
+
+
+  bool is_generate() { return is_generate_; }
+  bool is_verify() { return is_verify_; }
+
+ private:
+
+  // Check if all options were specified and sane.
+  // Return true on success, false on failure.
+  bool CheckOptions();
+
+  FirmwareImage* image_;
+  RSAPublicKey* root_key_pub_;
+  std::string root_key_file_;
+  std::string root_key_pub_file_;
+  int firmware_version_;
+  std::string sign_key_file_;
+  std::string sign_key_pub_file_;
+  int key_version_;
+  int sign_algorithm_;
+  std::string in_file_;
+  std::string out_file_;
+  bool is_generate_;  // Are we generating a new image?
+  bool is_verify_;  // Are we just verifying an already signed image?
+};
+
+}  // namespace vboot_reference
+
+#endif  // VBOOT_REFERENCE_FIRMWARE_UTILITY_H_