key-handle.hpp

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

#include "../../common.hpp"
#include "../../name.hpp"
#include "../security-common.hpp"

namespace ndn {
namespace security {
namespace tpm {

class KeyHandle : noncopyable
{
public:
  class Error : public std::runtime_error
  {
  public:
    explicit
    Error(const std::string& what)
      : std::runtime_error(what)
    {
    }
  };

public:
  virtual
  ~KeyHandle();

  ConstBufferPtr
  sign(DigestAlgorithm digestAlgorithm, const uint8_t* buf, size_t size) const;

  ConstBufferPtr
  decrypt(const uint8_t* cipherText, size_t cipherTextLen) const;

  ConstBufferPtr
  derivePublicKey() const;

  void
  setKeyName(const Name& keyName);

  Name
  getKeyName() const;

private:
  virtual ConstBufferPtr
  doSign(DigestAlgorithm digestAlgorithm, const uint8_t* buf, size_t size) const = 0;

  virtual ConstBufferPtr
  doDecrypt(const uint8_t* cipherText, size_t cipherTextLen) const = 0;

  virtual ConstBufferPtr
  doDerivePublicKey() const = 0;

private:
  Name m_keyName;
};

} // namespace tpm
} // namespace security
} // namespace ndn

#endif // NDN_SECURITY_TPM_KEY_HANDLE_HPP