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#include <iostream>
#include <fstream>
#include <string>
#include <bobcat/osymcryptstream>
using namespace std;
using namespace FBB;
int main(int argc, char **argv)
try
{
if (argc == 1)
{
cout << "arg[1]: e - encrypt, d - decrypt,\n"
"arg[2]: file to process, arg[3]: processed file\n";
return 0;
}
string key = "0123456789abcdef0123456789abcdef";
cout << "encryption key ? ";
cin >> key;
while (key.size() < 32)
key += key;
string iv = " 0123456789ab" "456";
char cipherName[] =
"AES-256-GCM"
//"AES-256-CBC"
;
ifstream in{ argv[2] };
ofstream out{ argv[3] };
if (*argv[1] == 'e')
{
OSymCryptStream<ENCRYPT> enc{ out, cipherName, key, iv, 100 };
// comment out the above statement and uncomment the next
// to use the constructor expecting a string as 1st arg:
// OSymCryptStream<ENCRYPT> enc{ argv[3], cipherName, key,
// iv, 100 };
enc << in.rdbuf() << eoi;
//in.seekg(0); // when activated, this won't
//enc << in.rdbuf(); // be processed due to '<< eoi'
}
else
{
OSymCryptStream<DECRYPT> decrypt{ out, cipherName, key,
iv, 100 };
// comment out the above statement and uncomment the next
// to use the constructor expecting a string as 1st arg:
// OSymCryptStream<DECRYPT> decrypt{ argv[3], cipherName, key,
// iv, 100 };
decrypt << in.rdbuf() << eoi;
}
}
catch (exception const &exc)
{
cerr << exc.what() << '\n';
}
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