Add 'recovery_key' in Google Binary Block (GBB) utility

src/platform/vboot_reference/utility/include/gbb_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_GBB_UTILITY_H_
 #define VBOOT_REFERENCE_GBB_UTILITY_H_
 
 #include <string>
 #include "gbb_header.h"
 
 namespace vboot_reference {
 
 class GoogleBinaryBlockUtil {
  public:
   // enumerate of available data fields
   enum PROPINDEX {
     PROP_HWID,      // hardware id
     PROP_ROOTKEY,   // root key
     PROP_BMPFV,     // bitmap FV
+    PROP_RCVKEY,    // recovery key
     PROP_RANGE,     // indicator of valid property range
   };
 
   GoogleBinaryBlockUtil();
   ~GoogleBinaryBlockUtil();
 
   // load GBB from a BIOS image file.
   // return true if a valid GBB was retrieved.
   bool load_from_file(const char *filename);
 
@@ skipping 10 matching lines @@
   bool set_property(PROPINDEX i, const std::string &value);
 
   // get a readable name by a property index.
   // return the name for valid properties, otherwise unexpected empty string.
   std::string get_property_name(PROPINDEX i) const;
 
   // quick getters and setters of known properties in GBB
   bool set_hwid(const char *hwid);      // NOTE: hwid is NUL-terminated.
   bool set_rootkey(const std::string &value);
   bool set_bmpfv(const std::string &value);
+  bool set_recovery_key(const std::string &value);
   std::string get_hwid() const { return get_property(PROP_HWID); }
   std::string get_rootkey() const { return get_property(PROP_ROOTKEY); }
   std::string get_bmpfv() const { return get_property(PROP_BMPFV); }
+  std::string get_recovery_key() const { return get_property(PROP_RCVKEY); }
 
  private:
   // clear all cached data and initialize to original state
   void initialize();
 
   // search and count for GBB signatures in loaded image.
   // return the number of signatures found.
   int search_header_signatures(const std::string &image, long *poffset) const;
 
   // load and check header structure from image by given offset.
@@ skipping 13 matching lines @@
   long header_offset_;                  // offset to GBB header in file_content_
   bool is_valid_gbb;                    // if we are holding a valid GBB
 
   bool verbose;                         // provide verbose messages
 };
 
 }  // namespace vboot_reference
 
 #endif  // VBOOT_REFERENCE_GBB_UTILITY_H_