#pragma once

#include <string>
#include <utility>
#include "bigint.h"

namespace RSA{

	struct PublicKey{
		Bigint mod,exp;
	};

	struct PrivateKey{
		PublicKey pub;
		Bigint pexp;
	};

	Bigint encrypt(const PublicKey &key,Bigint msg);
	Bigint decrypt(const PrivateKey &key,Bigint msg);

	PrivateKey genkey(int nbits); //nbits is target number of bits of modulus
	PrivateKey genkey(int nbits,const std::string &password); //generates key seeded by password

	std::pair<std::string,std::string> exportkey(const PrivateKey&); //returns {pub,priv}
	PrivateKey importkey(const std::string &pub,const std::string &priv);

}