private-key.hpp

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

#include "public-key.hpp"
#include "../../encoding/buffer.hpp"

namespace ndn {

class KeyParams;

namespace security {
namespace transform {

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

  friend class SignerFilter;

  typedef function<int(char* buf, size_t bufSize, bool shouldConfirm)> PasswordCallback;

public:
  PrivateKey();

  ~PrivateKey();

  void
  loadPkcs1(const uint8_t* buf, size_t size);

  void
  loadPkcs1(std::istream& is);

  void
  loadPkcs1Base64(const uint8_t* buf, size_t size);

  void
  loadPkcs1Base64(std::istream& is);

  void
  loadPkcs8(const uint8_t* buf, size_t size, const char* pw, size_t pwLen);

  void
  loadPkcs8(const uint8_t* buf, size_t size, PasswordCallback pwCallback = nullptr);

  void
  loadPkcs8(std::istream& is, const char* pw, size_t pwLen);

  void
  loadPkcs8(std::istream& is, PasswordCallback pwCallback = nullptr);

  void
  loadPkcs8Base64(const uint8_t* buf, size_t size, const char* pw, size_t pwLen);

  void
  loadPkcs8Base64(const uint8_t* buf, size_t size, PasswordCallback pwCallback = nullptr);

  void
  loadPkcs8Base64(std::istream& is, const char* pw, size_t pwLen);

  void
  loadPkcs8Base64(std::istream& is, PasswordCallback pwCallback = nullptr);

  void
  savePkcs1(std::ostream& os) const;

  void
  savePkcs1Base64(std::ostream& os) const;

  void
  savePkcs8(std::ostream& os, const char* pw, size_t pwLen) const;

  void
  savePkcs8(std::ostream& os, PasswordCallback pwCallback = nullptr) const;

  void
  savePkcs8Base64(std::ostream& os, const char* pw, size_t pwLen) const;

  void
  savePkcs8Base64(std::ostream& os, PasswordCallback pwCallback = nullptr) const;

  ConstBufferPtr
  derivePublicKey() const;

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

private:
  void*
  getEvpPkey() const;

private:
  ConstBufferPtr
  toPkcs1() const;

  ConstBufferPtr
  toPkcs8(const char* pw, size_t pwLen) const;

  ConstBufferPtr
  toPkcs8(PasswordCallback pwCallback = nullptr) const;

  ConstBufferPtr
  rsaDecrypt(const uint8_t* cipherText, size_t cipherLen) const;

private:
  class Impl;
  unique_ptr<Impl> m_impl;
};

unique_ptr<PrivateKey>
generatePrivateKey(const KeyParams& keyParams);

} // namespace transform
} // namespace security
} // namespace ndn

#endif // NDN_CXX_SECURITY_TRANSFORM_PRIVATE_KEY_HPP