#pragma once

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

namespace RSA{

	struct Key{
		Bigint mod,exp;
	};

	Bigint encrypt(Bigint msg,const Key &key);
	Bigint decrypt(Bigint msg,const Key &key);

	std::pair<Key,Key> genkeys(int nbits); //nbits is target number of bits of modulus

	std::string exportKey(const Key&);

	//throws invalid_argument if the imported key is of invalid format
	Key importKey(const std::string &repr);

}