key-params.hpp

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

#include <stdint.h>
#include "security-common.hpp"

namespace ndn {

class KeyParams {
public:
  virtual
  ~KeyParams()
  {
  }

  KeyType
  getKeyType() const
  {
    return keyType_;
  }

protected:
  explicit
  KeyParams(KeyType keyType)
  : keyType_(keyType)
  {
  }

private:
  KeyType keyType_;
};

class RsaKeyParams : public KeyParams {
public:
  explicit
  RsaKeyParams(uint32_t size = RsaKeyParams::getDefaultSize())
  : KeyParams(RsaKeyParams::getType()), size_(size)
  {
  }

  uint32_t
  getKeySize() const
  {
    return size_;
  }

private:
  static uint32_t
  getDefaultSize() { return 2048; }

  static KeyType
  getType() { return KEY_TYPE_RSA; }

  uint32_t size_;
};

class EcdsaKeyParams : public KeyParams {
public:
  explicit
  EcdsaKeyParams(uint32_t size = EcdsaKeyParams::getDefaultSize())
  : KeyParams(EcdsaKeyParams::getType()), size_(size)
  {
  }

  uint32_t
  getKeySize() const
  {
    return size_;
  }

private:
  static uint32_t
  getDefaultSize() { return 256; }

  static KeyType
  getType() { return KEY_TYPE_ECDSA; }

  uint32_t size_;
};

class AesKeyParams : public KeyParams {
public:
  explicit
  AesKeyParams(uint32_t size = AesKeyParams::getDefaultSize())
  : KeyParams(AesKeyParams::getType()), size_(size)
  {
  }

  uint32_t
  getKeySize() const
  {
    return size_;
  }

private:
  static uint32_t
  getDefaultSize() { return 64; }

  static KeyType
  getType() { return KEY_TYPE_AES; }

  uint32_t size_;
};

}

#endif