KeyUtils.hpp

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#ifndef KEYUTILS_HPP_
#define KEYUTILS_HPP_

#include <botan/botan.h>
#include <string>
#include <utility>
#include <cstdint>
#include <memory>
#include <boost/scoped_array.hpp>
#include "kaa/security/SecurityDefinitions.hpp"

namespace kaa {

class KeyUtils {
public:
    KeyPair generateKeyPair(std::size_t length);

    SessionKey generateSessionKey(std::size_t length);

    bool checkKeyPair(const KeyPair &keys);

    static PublicKey loadPublicKey(const std::string& fileName);

    static PrivateKey loadPrivateKey(const std::string& fileName);

    static KeyPair loadKeyPair(const std::string& pubFileName, const std::string& privFileName);

    static void saveKeyPair(const KeyPair& pair, const std::string& pubFileName, const std::string& privFileName);

    static void savePublicKey(const PublicKey& key, const std::string& pubFileName);

    static void savePrivateKey(const PrivateKey& key, const std::string& privFileName);

private:
    static void readFile(const std::string& fileName, boost::scoped_array<char>& buf, std::size_t& len);

private:
    Botan::AutoSeeded_RNG     rng_;
};

}

#endif /* KEYUTILS_HPP_ */