signature-info.hpp

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

#include "encoding/tlv.hpp"
#include "key-locator.hpp"
#include "security/validity-period.hpp"
#include <list>

namespace ndn {

class SignatureInfo
{
public:
  class Error : public tlv::Error
  {
  public:
    explicit
    Error(const std::string& what)
      : tlv::Error(what)
    {
    }
  };

  SignatureInfo();

  explicit
  SignatureInfo(tlv::SignatureTypeValue type);

  SignatureInfo(tlv::SignatureTypeValue type, const KeyLocator& keyLocator);

  explicit
  SignatureInfo(const Block& block);

  void
  setSignatureType(tlv::SignatureTypeValue type);

  int32_t
  getSignatureType() const
  {
    return m_type;
  }

  bool
  hasKeyLocator() const
  {
    return m_hasKeyLocator;
  }

  void
  setKeyLocator(const KeyLocator& keyLocator);

  void
  unsetKeyLocator();

  const KeyLocator&
  getKeyLocator() const;

  void
  setValidityPeriod(const security::ValidityPeriod& validityPeriod);

  void
  unsetValidityPeriod();

  security::ValidityPeriod
  getValidityPeriod() const;

  void
  appendTypeSpecificTlv(const Block& block);

  const Block&
  getTypeSpecificTlv(uint32_t type) const;

  template<encoding::Tag TAG>
  size_t
  wireEncode(EncodingImpl<TAG>& encoder) const;

  const Block&
  wireEncode() const;

  void
  wireDecode(const Block& wire);

public: // EqualityComparable concept
  bool
  operator==(const SignatureInfo& rhs) const;

  bool
  operator!=(const SignatureInfo& rhs) const
  {
    return !(*this == rhs);
  }

private:
  int32_t m_type;
  bool m_hasKeyLocator;
  KeyLocator m_keyLocator;
  std::list<Block> m_otherTlvs;

  mutable Block m_wire;
};

} // namespace ndn

#endif // NDN_SIGNATURE_INFO_HPP