blob: 8203272f37b302781d75b8f661134ba6f54b1dca [file] [log] [blame]
/* -*- 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_SEC_TPM_MEMORY_HPP
#define NDN_SEC_TPM_MEMORY_HPP
#include <map>
#include "sec-tpm.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 SecTpmMemory : public SecTpm {
public:
struct Error : public SecTpm::Error { Error(const std::string &what) : SecTpm::Error(what) {} };
/**
* The virtual destructor
*/
virtual
~SecTpmMemory();
/**
* 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,
uint8_t *publicKeyDer, size_t publicKeyDerLength,
uint8_t *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
generateKeyPairInTpm(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>
getPublicKeyFromTpm(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 Block
signInTpm(const uint8_t *data, size_t dataLength, const Name& keyName, DigestAlgorithm digestAlgorithm);
virtual void
signInTpm(Data &data, 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 ConstBufferPtr
decryptInTpm(const Name& keyName, const uint8_t* data, size_t 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 ConstBufferPtr
encryptInTpm(const Name& keyName, const uint8_t* data, size_t 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
generateSymmetricKeyInTpm(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
doesKeyExistInTpm(const Name& keyName, KeyClass keyClass);
private:
class RsaPrivateKey;
typedef std::map<std::string, ptr_lib::shared_ptr<PublicKey> > PublicKeyStore;
typedef std::map<std::string, ptr_lib::shared_ptr<RsaPrivateKey> > PrivateKeyStore;
PublicKeyStore publicKeyStore_; /**< The map key is the keyName.toUri() */
PrivateKeyStore privateKeyStore_; /**< The map key is the keyName.toUri() */
};
}
#endif