public-key.hpp

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

#include "../common.hpp"

#include "../encoding/buffer.hpp"
#include "../encoding/block.hpp"
#include "security-common.hpp"

namespace CryptoPP {
class BufferedTransformation;
}

namespace ndn {

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

  PublicKey();

  PublicKey(const uint8_t* keyDerBuf, size_t keyDerSize);

  const Buffer&
  get() const
  {
    return m_key;
  }

  void
  set(const uint8_t* keyDerBuf, size_t keyDerSize)
  {
    Buffer buf(keyDerBuf, keyDerSize);
    m_key.swap(buf);
  }

  KeyType
  getKeyType() const
  {
    return m_type;
  }

  const Block&
  computeDigest() const;

  void
  encode(CryptoPP::BufferedTransformation& out) const;

  void
  decode(CryptoPP::BufferedTransformation& in);

  bool
  operator==(const PublicKey& key) const
  {
    return m_key == key.m_key;
  }

  bool
  operator!=(const PublicKey& key) const
  {
    return m_key != key.m_key;
  }

private:
  KeyType m_type;
  Buffer m_key;
  mutable Block m_digest;
};

std::ostream&
operator<<(std::ostream& os, const PublicKey& key);

} // namespace ndn

#endif //NDN_SECURITY_PUBLIC_KEY_HPP