Rename key.hpp to key-locator.hpp. Refs #1089.
diff --git a/include/ndn-cpp/key-locator.hpp b/include/ndn-cpp/key-locator.hpp
new file mode 100644
index 0000000..5c1f6c1
--- /dev/null
+++ b/include/ndn-cpp/key-locator.hpp
@@ -0,0 +1,95 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_KEY_LOCATOR_HPP
+#define NDN_KEY_LOCATOR_HPP
+
+#include <vector>
+#include "c/key-types.h"
+#include "name.hpp"
+
+struct ndn_KeyLocator;
+
+namespace ndn {
+  
+class KeyLocator {
+public:
+  KeyLocator()
+  : type_((ndn_KeyLocatorType)-1), keyNameType_((ndn_KeyNameType)-1)
+  {
+  }
+  
+  /**
+   * Clear the keyData and set the type to none.
+   */
+  void 
+  clear()
+  {
+    type_ = (ndn_KeyLocatorType)-1;
+    keyNameType_ = (ndn_KeyNameType)-1;
+    keyData_.reset();
+  }
+  
+  /**
+   * Set the keyLocatorStruct to point to the values in this key locator, without copying any memory.
+   * WARNING: The resulting pointers in keyLocatorStruct are invalid after a further use of this object which could reallocate memory.
+   * @param keyLocatorStruct a C ndn_KeyLocator struct where the name components array is already allocated.
+   */
+  void 
+  get(struct ndn_KeyLocator& keyLocatorStruct) const;
+  
+  /**
+   * Clear this key locator, and set the values by copying from the ndn_KeyLocator struct.
+   * @param keyLocatorStruct a C ndn_KeyLocator struct
+   */
+  void 
+  set(const struct ndn_KeyLocator& keyLocatorStruct);
+
+  ndn_KeyLocatorType 
+  getType() const { return type_; }
+  
+  const Blob& 
+  getKeyData() const { return keyData_; }
+
+  const Name& 
+  getKeyName() const { return keyName_; }
+  
+  Name& 
+  getKeyName() { return keyName_; }
+
+  ndn_KeyNameType 
+  getKeyNameType() const { return keyNameType_; }
+
+  void 
+  setType(ndn_KeyLocatorType type) { type_ = type; }
+    
+  void 
+  setKeyData(const Blob& keyData) { keyData_ = keyData; }
+
+  void
+  setKeyName(const Name &keyName) { keyName_ = keyName; }
+  
+  void 
+  setKeyNameType(ndn_KeyNameType keyNameType) { keyNameType_ = keyNameType; }
+
+private:
+  ndn_KeyLocatorType type_; /**< -1 for none */
+  Blob keyData_; /**< An array for the key data as follows:
+    *   If type_ is ndn_KeyLocatorType_KEY, the key data.
+    *   If type_ is ndn_KeyLocatorType_CERTIFICATE, the certificate data. 
+    *   If type_ is ndn_KeyLocatorType_KEYNAME and keyNameType_ is ndn_KeyNameType_PUBLISHER_PUBLIC_KEY_DIGEST, the publisher public key digest. 
+    *   If type_ is ndn_KeyLocatorType_KEYNAME and keyNameType_ is ndn_KeyNameType_PUBLISHER_CERTIFICATE_DIGEST, the publisher certificate digest. 
+    *   If type_ is ndn_KeyLocatorType_KEYNAME and keyNameType_ is ndn_KeyNameType_PUBLISHER_ISSUER_KEY_DIGEST, the publisher issuer key digest. 
+    *   If type_ is ndn_KeyLocatorType_KEYNAME and keyNameType_ is ndn_KeyNameType_PUBLISHER_ISSUER_CERTIFICATE_DIGEST, the publisher issuer certificate digest. 
+                                */
+  Name keyName_;                /**< The key name (only used if type_ is ndn_KeyLocatorType_KEYNAME.) */
+  ndn_KeyNameType keyNameType_; /**< The type of data for keyName_, -1 for none. (only used if type_ is ndn_KeyLocatorType_KEYNAME.) */
+};
+  
+}
+
+#endif