mirror of
https://github.com/Heretek-AI/GDevelop.git
synced 2026-07-24 20:05:39 -04:00
Florian Rival
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/**
|
|
|
|
Game Develop - AES Extension
|
|
Copyright (c) 2008-2014 Florian Rival (Florian.Rival@gmail.com)
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
|
|
3. This notice may not be removed or altered from any source
|
|
distribution.
|
|
|
|
*/
|
|
|
|
#include "GDCpp/Tools/AES.h"
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <string>
|
|
|
|
using namespace std;
|
|
|
|
namespace GDpriv
|
|
{
|
|
|
|
namespace AES
|
|
{
|
|
|
|
void GD_EXTENSION_API EncryptFile( const std::string & srcFile, const std::string & destFile, std::string passwordWith24characters )
|
|
{
|
|
while ( passwordWith24characters.length() < 24 )
|
|
passwordWith24characters += " ";
|
|
if ( passwordWith24characters.length() > 24 )
|
|
passwordWith24characters.resize(24);
|
|
|
|
ifstream ifile(srcFile.c_str(),ios_base::binary);
|
|
ofstream ofile(destFile.c_str(),ios_base::binary);
|
|
|
|
// get file size
|
|
ifile.seekg(0,ios_base::end);
|
|
int size,fsize = ifile.tellg();
|
|
ifile.seekg(0,ios_base::beg);
|
|
|
|
// round up (ignore pad for here)
|
|
size = (fsize+15)&(~15);
|
|
|
|
char * ibuffer = new char[size];
|
|
char * obuffer = new char[size];
|
|
ifile.read(ibuffer,fsize);
|
|
|
|
aes_ks_t keySetting;
|
|
aes_setks_encrypt(reinterpret_cast<const unsigned char*>(passwordWith24characters.c_str()), 192, &keySetting);
|
|
const unsigned char iv[16] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
|
|
aes_cbc_encrypt(reinterpret_cast<const unsigned char*>(ibuffer), reinterpret_cast<unsigned char*>(obuffer),
|
|
(uint8_t*)iv, size/AES_BLOCK_SIZE, &keySetting);
|
|
|
|
ofile.write(obuffer,size);
|
|
|
|
delete [] ibuffer;
|
|
delete [] obuffer;
|
|
|
|
ofile.close();
|
|
ifile.close();
|
|
}
|
|
|
|
void GD_EXTENSION_API DecryptFile( const std::string & srcFile, const std::string & destFile, std::string passwordWith24characters )
|
|
{
|
|
while ( passwordWith24characters.length() < 24 )
|
|
passwordWith24characters += " ";
|
|
if ( passwordWith24characters.length() > 24 )
|
|
passwordWith24characters.resize(24);
|
|
|
|
ifstream ifile(srcFile.c_str(),ios_base::binary);
|
|
ofstream ofile(destFile.c_str(),ios_base::binary);
|
|
|
|
// get file size
|
|
ifile.seekg(0,ios_base::end);
|
|
int size,fsize = ifile.tellg();
|
|
ifile.seekg(0,ios_base::beg);
|
|
|
|
// round up (ignore pad for here)
|
|
size = (fsize+15)&(~15);
|
|
|
|
char * ibuffer = new char[size];
|
|
char * obuffer = new char[size];
|
|
ifile.read(ibuffer,fsize);
|
|
|
|
aes_ks_t keySetting;
|
|
aes_setks_decrypt(reinterpret_cast<const unsigned char*>(passwordWith24characters.c_str()), 192, &keySetting);
|
|
const unsigned char iv[16] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
|
|
aes_cbc_decrypt(reinterpret_cast<const unsigned char*>(ibuffer), reinterpret_cast<unsigned char*>(obuffer),
|
|
(uint8_t*)iv, size/AES_BLOCK_SIZE, &keySetting);
|
|
|
|
ofile.write(obuffer,size);
|
|
|
|
delete [] ibuffer;
|
|
delete [] obuffer;
|
|
|
|
ofile.close();
|
|
ifile.close();
|
|
}
|
|
|
|
}
|
|
}
|
|
|