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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*
* @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
* @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
* @author Jeff Thompson <jefft0@remap.ucla.edu>
*/
#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)
{
}
};
/**
* The default constructor.
*/
PublicKey();
/**
* @brief Create a new PublicKey from @param keyDerBuf in DER buffer
*
* @param keyDerBuf The pointer to the first byte of buffer containing DER of public key
* @param keyDerSize Size of the buffer
*
* @throws PublicKey::Error If DER in buffer cannot be decoded
*/
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;
}
/**
* @return a KeyDigest block that matches this public key
*/
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