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https://github.com/Heretek-AI/GDevelop.git
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Florian Rival
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/**
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GDevelop - AES Extension
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Copyright (c) 2008-2014 Florian Rival (Florian.Rival@gmail.com)
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This project is released under the MIT License.
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*/
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#include "GDCpp/Tools/AES.h"
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#include <iostream>
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#include <fstream>
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#include <string>
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using namespace std;
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namespace GDpriv
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{
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namespace AES
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{
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void GD_EXTENSION_API EncryptFile( const std::string & srcFile, const std::string & destFile, std::string passwordWith24characters )
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{
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while ( passwordWith24characters.length() < 24 )
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passwordWith24characters += " ";
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if ( passwordWith24characters.length() > 24 )
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passwordWith24characters.resize(24);
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ifstream ifile(srcFile.c_str(),ios_base::binary);
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ofstream ofile(destFile.c_str(),ios_base::binary);
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// get file size
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ifile.seekg(0,ios_base::end);
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int size,fsize = ifile.tellg();
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ifile.seekg(0,ios_base::beg);
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// round up (ignore pad for here)
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size = (fsize+15)&(~15);
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char * ibuffer = new char[size];
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char * obuffer = new char[size];
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ifile.read(ibuffer,fsize);
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aes_ks_t keySetting;
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aes_setks_encrypt(reinterpret_cast<const unsigned char*>(passwordWith24characters.c_str()), 192, &keySetting);
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const unsigned char iv[16] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
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aes_cbc_encrypt(reinterpret_cast<const unsigned char*>(ibuffer), reinterpret_cast<unsigned char*>(obuffer),
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(uint8_t*)iv, size/AES_BLOCK_SIZE, &keySetting);
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ofile.write(obuffer,size);
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delete [] ibuffer;
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delete [] obuffer;
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ofile.close();
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ifile.close();
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}
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void GD_EXTENSION_API DecryptFile( const std::string & srcFile, const std::string & destFile, std::string passwordWith24characters )
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{
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while ( passwordWith24characters.length() < 24 )
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passwordWith24characters += " ";
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if ( passwordWith24characters.length() > 24 )
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passwordWith24characters.resize(24);
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ifstream ifile(srcFile.c_str(),ios_base::binary);
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ofstream ofile(destFile.c_str(),ios_base::binary);
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// get file size
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ifile.seekg(0,ios_base::end);
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int size,fsize = ifile.tellg();
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ifile.seekg(0,ios_base::beg);
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// round up (ignore pad for here)
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size = (fsize+15)&(~15);
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char * ibuffer = new char[size];
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char * obuffer = new char[size];
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ifile.read(ibuffer,fsize);
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aes_ks_t keySetting;
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aes_setks_decrypt(reinterpret_cast<const unsigned char*>(passwordWith24characters.c_str()), 192, &keySetting);
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const unsigned char iv[16] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
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aes_cbc_decrypt(reinterpret_cast<const unsigned char*>(ibuffer), reinterpret_cast<unsigned char*>(obuffer),
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(uint8_t*)iv, size/AES_BLOCK_SIZE, &keySetting);
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ofile.write(obuffer,size);
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delete [] ibuffer;
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delete [] obuffer;
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ofile.close();
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ifile.close();
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}
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}
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}
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