security: Added MemoryIdentityStorage and MemoryPrivateKeyStorage.
diff --git a/ndn-cpp/security/identity/memory-private-key-storage.hpp b/ndn-cpp/security/identity/memory-private-key-storage.hpp
new file mode 100644
index 0000000..d97d2a8
--- /dev/null
+++ b/ndn-cpp/security/identity/memory-private-key-storage.hpp
@@ -0,0 +1,132 @@
+/* -*- 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_MEMORY_PRIVATE_KEY_STORAGE_HPP
+#define NDN_MEMORY_PRIVATE_KEY_STORAGE_HPP
+
+#include <map>
+#include "private-key-storage.hpp"
+
+struct rsa_st;
+
+namespace ndn {
+
+/**
+ * MemoryPrivateKeyStorage extends PrivateKeyStorage to implement a simple in-memory private key store. You should
+ * initialize by calling setKeyPairForKeyName.
+ */
+class MemoryPrivateKeyStorage : public PrivateKeyStorage {
+public:
+ /**
+ * The virtual destructor
+ */
+ virtual
+ ~MemoryPrivateKeyStorage();
+
+ /**
+ * Set the public and private key for the keyName.
+ * @param keyName The key name.
+ * @param publicKeyDer The public key DER byte array.
+ * @param publicKeyDerLength The length of publicKeyDer.
+ * @param privateKeyDer The private key DER byte array.
+ * @param privateKeyDerLength The length of privateKeyDer.
+ */
+ void setKeyPairForKeyName
+ (const Name& keyName, unsigned char *publicKeyDer, size_t publicKeyDerLength, unsigned char *privateKeyDer,
+ size_t privateKeyDerLength);
+
+ /**
+ * Generate a pair of asymmetric keys.
+ * @param keyName The name of the key pair.
+ * @param keyType The type of the key pair, e.g. KEY_TYPE_RSA.
+ * @param keySize The size of the key pair.
+ */
+ virtual void
+ generateKeyPair(const Name& keyName, KeyType keyType, int keySize);
+
+ /**
+ * Get the public key
+ * @param keyName The name of public key.
+ * @return The public key.
+ */
+ virtual ptr_lib::shared_ptr<PublicKey>
+ getPublicKey(const Name& keyName);
+
+ /**
+ * Fetch the private key for keyName and sign the data, returning a signature Blob.
+ * @param data Pointer to the input byte array.
+ * @param dataLength The length of data.
+ * @param keyName The name of the signing key.
+ * @param digestAlgorithm the digest algorithm.
+ * @return The signature, or a null pointer if signing fails.
+ */
+ virtual Blob
+ sign(const unsigned char *data, unsigned int dataLength, const Name& keyName, DigestAlgorithm digestAlgorithm);
+
+ /**
+ * Decrypt data.
+ * @param keyName The name of the decrypting key.
+ * @param data The byte to be decrypted.
+ * @param dataLength the length of data.
+ * @param isSymmetric If true symmetric encryption is used, otherwise asymmetric decryption is used.
+ * @return The decrypted data.
+ */
+ virtual Blob
+ decrypt(const Name& keyName, const unsigned char* data, unsigned int dataLength, bool isSymmetric);
+
+ /**
+ * Encrypt data.
+ * @param keyName The name of the encrypting key.
+ * @param data The byte to be encrypted.
+ * @param dataLength the length of data.
+ * @param isSymmetric If true symmetric encryption is used, otherwise asymmetric decryption is used.
+ * @return The encrypted data.
+ */
+ virtual Blob
+ encrypt(const Name& keyName, const unsigned char* data, unsigned int dataLength, bool isSymmetric);
+
+ /**
+ * @brief Generate a symmetric key.
+ * @param keyName The name of the key.
+ * @param keyType The type of the key, e.g. KEY_TYPE_AES.
+ * @param keySize The size of the key.
+ */
+ virtual void
+ generateKey(const Name& keyName, KeyType keyType, int keySize);
+
+ /**
+ * Check if a particular key exists.
+ * @param keyName The name of the key.
+ * @param keyClass The class of the key, e.g. KEY_CLASS_PUBLIC, KEY_CLASS_PRIVATE, or KEY_CLASS_SYMMETRIC.
+ * @return True if the key exists, otherwise false.
+ */
+ virtual bool
+ doesKeyExist(const Name& keyName, KeyClass keyClass);
+
+private:
+ /**
+ * RsaPrivateKey is a simple class to hold an RSA private key.
+ */
+ class RsaPrivateKey {
+ public:
+ RsaPrivateKey(unsigned char *keyDer, size_t keyDerLength);
+
+ ~RsaPrivateKey();
+
+ struct rsa_st* getPrivateKey() { return privateKey_; }
+
+ private:
+ struct rsa_st* privateKey_;
+ };
+
+ std::map<std::string, ptr_lib::shared_ptr<PublicKey> > publicKeyStore_; /**< The map key is the keyName.toUri() */
+ std::map<std::string, ptr_lib::shared_ptr<RsaPrivateKey> > privateKeyStore_; /**< The map key is the keyName.toUri() */
+};
+
+}
+
+#endif