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/*
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/botan.h>
#include <botan/serpent.h>
#include <botan/package.h>
#include <iostream>
#include <fstream>
#include <vector>
using namespace Botan;
namespace {
std::vector<byte> slurp_file(const std::string& filename)
{
std::ifstream in(filename.c_str());
std::vector<byte> out;
byte buf[4096] = { 0 };
while(in.good())
{
in.read((char*)buf, sizeof(buf));
ssize_t got = in.gcount();
out.insert(out.end(), buf, buf+got);
}
return out;
}
}
int main(int argc, char* argv[])
{
if(argc != 2)
{
std::cout << "Usage: " << argv[0] << " filename\n";
return 1;
}
LibraryInitializer init;
AutoSeeded_RNG rng;
BlockCipher* cipher = new Serpent;
std::vector<byte> input = slurp_file(argv[1]);
std::vector<byte> output(input.size() + cipher->BLOCK_SIZE);
AllOrNothingTransform::package(rng, new Serpent,
&input[0], input.size(),
&output[0]);
std::vector<byte> unpackage_output(output.size() - cipher->BLOCK_SIZE);
AllOrNothingTransform::unpackage(new Serpent,
&output[0], output.size(),
&unpackage_output[0]);
if(unpackage_output == input)
std::cout << "Package/unpackage worked\n";
else
std::cout << "Something went wrong :(\n";
}
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