tpm-back-end-osx.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_TPM_BACK_END_OSX_HPP
#define NDN_TPM_BACK_END_OSX_HPP

// Only compile if ndn-cpp-config.h defines NDN_CPP_HAVE_OSX_SECURITY 1.
#include "../../ndn-cpp-config.h"
#if NDN_CPP_HAVE_OSX_SECURITY

#include "helper-osx.hpp"
#include "tpm-back-end.hpp"

namespace ndn {

class TpmBackEndOsx : public TpmBackEnd {
public:
  class Error : public TpmBackEnd::Error
  {
  public:
    Error(const std::string& what)
    : TpmBackEnd::Error(what)
    {
    }
  };

  TpmBackEndOsx(const std::string& location = "");

  static std::string
  getScheme() { return "tpm-osxkeychain"; }

  // Management

  virtual bool
  isTerminalMode() const;

  virtual void
  setTerminalMode(bool isTerminal) const;

  virtual bool
  isTpmLocked() const;

  virtual bool
  unlockTpm(const uint8_t* password, size_t passwordLength) const;

  // Cryptographic transformation

  static Blob
  sign
    (const KeyRefOsx& key, DigestAlgorithm digestAlgorithm,
     const uint8_t* data, size_t dataLength);

  static Blob
  decrypt
    (const KeyRefOsx& key, const uint8_t* cipherText, size_t cipherTextLength);

  static Blob
  derivePublicKey(const KeyRefOsx& key);

private:
  virtual bool
  doHasKey(const Name& keyName) const;

  virtual ptr_lib::shared_ptr<TpmKeyHandle>
  doGetKeyHandle(const Name& keyName) const;

  virtual ptr_lib::shared_ptr<TpmKeyHandle>
  doCreateKey(const Name& identityName, const KeyParams& params);

  virtual void
  doDeleteKey(const Name& keyName);

  // TODO: doExportKey.
  // TODO: doImportKey.

  static CFReleaser<SecKeychainItemRef>
  getKey(const Name& keyName);

  SecKeychainRef keyChainRef_;
  bool isTerminalMode_;
};

}

#endif // NDN_CPP_HAVE_OSX_SECURITY

#endif