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#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);
}
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