examples/Integer/RSA_encipher.C

NO DOC.

NO DOC

// Copyright(c)'1994-2009 by The Givaro group
// This file is part of Givaro.
// Givaro is governed by the CeCILL-B license under French law
// and abiding by the rules of distribution of free software.
// see the COPYRIGHT file for more details.
#include <iostream>
#include <fstream>
#include "givaro/givintrsa.h"
#include "givaro/givrandom.h"
#include "givaro/givtimer.h"
// RSA, in CBC mode, enciphering of files
using namespace Givaro;
int main(int argc, char** argv)
{
Timer tim;
tim.clear();
IntRSADom<GivRandom>::Rep n,e;
if (argc > 3)
n = Integer( argv[3] );
else
std::cin >> n;
if (argc > 4)
e = Integer( argv[4] );
else
std::cin >> e;
IntRSADom<GivRandom> IR(n,e);
std::ifstream TXT(argv[1]);
if (!TXT) { std::cerr << "Error opening input file: " << argv[1] << std::endl; return -1; }
std::ofstream OUT(argv[2]);
if (!OUT) { std::cerr << "Error opening output file: " << argv[2] << std::endl; return -1; }
tim.start();
IR.encipher( OUT, TXT );
OUT.close();
TXT.close();
tim.stop();
std::cerr << tim << std::endl;
return 0;
}
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
Givaro::IntRSADom
RSA domain.
Definition givintrsa.h:36
Givaro::IntRSADom::encipher
std::ostream & encipher(std::ostream &, std::istream &) const
Text conversions.
Definition givintrsa.inl:94
Givaro::Integer
This is the Integer class.
Definition gmp++_int.h:160
Givaro::Timer
Timer.
Definition givtimer.h:129
Givaro::Timer::start
void start()
Start timer.
Definition givtimer.C:164
Givaro::Timer::stop
void stop()
Stop timer.
Definition givtimer.C:172
Givaro::Timer::clear
void clear()
Clear timer.
Definition givtimer.C:155
Givaro
Namespace in which the whole Givaro library resides.
Definition all_field.C:23