private static void showArgvInfo(EncryptionArgv encArgv)
{
if (encArgv.IsEncryption)
{
Console.WriteLine("\r\n[*] Encryption setting informations:");
}
else
{
Console.WriteLine("\r\n[*] Decryption setting informations:");
}
string[] info = getArgvStringInfo(encArgv);
Console.WriteLine(" + Chipher Mode : " + info[0]);
Console.WriteLine(" + Original File: " + info[1]);
Console.WriteLine(" + All Files : " + info[2]);
Console.WriteLine(" + Force Write : " + info[3]);
Console.WriteLine(" + Compress : " + info[4]);
Console.WriteLine(" + Output Path : " + info[5]);
Console.WriteLine(" + File Lists : " + info[6] + " file(s)");
Console.WriteLine(" + Folder Lists : " + info[7] + " folder(s)");
Console.WriteLine(" + Password Hash: " + info[8]);
Console.WriteLine(" + AES Mode : " + info[9]);
Console.WriteLine(" + AES Padding : " + info[10]);
Console.WriteLine(" + AES Key Size : " + info[11] + " bits");
Console.WriteLine(" + AES BlockSize: " + info[12] + " bits");
}
private static long startDecryption(EncryptionArgv encArgv)
{
var sw = new System.Diagnostics.Stopwatch();
var swAll = new System.Diagnostics.Stopwatch();
Console.WriteLine("\r\n[*] Starting file decryption...");
int count = 0;
swAll.Reset();
swAll.Start();
foreach (string path in encArgv.PathList)
{
if (cancelFlag)
{
Console.WriteLine("[!] Decryption is canceled.");
break;
}
count++;
bool success = false;
Console.Write(" + Dec(" + count.ToString() + "/" + encArgv.PathList.Length.ToString() + "): " + path + " - ");
sw.Reset();
sw.Start();
success = Chipher.Aes.DecryptFile(path, encArgv);
sw.Stop();
if (success)
{
Console.WriteLine("(Done: " + sw.ElapsedMilliseconds.ToString() + "ms)");
}
}
swAll.Stop();
return(swAll.ElapsedMilliseconds);
}
private static string[] getArgvStringInfo(EncryptionArgv encArgv)
{
List <string> info = new List <string>()
{
};
info.Add("AES Mode");
info.Add(encArgv.IsOriginalFile.ToString());
info.Add(encArgv.IsAllFileSelected.ToString());
info.Add(encArgv.ForceWrite.ToString());
info.Add(encArgv.intSetCompressLevel.ToString());
if (encArgv.OutPath == "")
{
info.Add("Any directory...");
}
else
{
info.Add(encArgv.OutPath);
}
info.Add(encArgv.PathList.Length.ToString());
info.Add(encArgv.FolderPathList.Length.ToString());
info.Add(Chipher.Hash.GetSHA256HashString(encArgv.PrivatePassword));
info.Add(encArgv.AesInfo.Mode.ToString());
info.Add(encArgv.AesInfo.Padding.ToString());
info.Add(encArgv.AesInfo.KeySize.ToString());
info.Add(encArgv.AesInfo.BlockSize.ToString());
return(info.ToArray());
}
public Headers(EncryptionArgv encArgvData)
{
// Build chipher information header
encArgv = encArgvData;
int[] tmpHeader = new int[] { };
tmpHeader = new int[] {
1, (int)encArgv.AesInfo.Mode, encArgv.AesInfo.BlockSize - 1, encArgv.AesInfo.KeySize - 1,
(int)encArgv.AesInfo.Padding, Convert.ToInt32(encArgv.EncFileInfo.IsCompressedZipFile), 0, 0, 0, 0,
};
foreach (int data in tmpHeader)
{
headerData.Add(Convert.ToByte(data));
}
}
private static byte[] makeAndReadZipData(string folderPath, out string zipPath, EncryptionArgv encArgv)
{
zipPath = folderPath + ".zip";
if (File.Exists(zipPath))
{
zipPath = IOObject.RenameFolder(zipPath);
}
using (Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile(zipPath, Encoding.UTF8))
{
zip.CompressionLevel = encArgv.CompressLevel;
zip.AddDirectory(folderPath, "");
zip.Comment = Path.GetFileName(folderPath);
zip.Save();
}
return(readAllFile(zipPath));
}
private static void Main(string[] args)
{
// Exit task
myHandlerDele = new HandlerRoutine(exitTaskFunc);
SetConsoleCtrlHandler(myHandlerDele, true);
Console.Title = "FFCrypt Core " + version;
Console.WriteLine("\r\n[*] [FFCrypt Core " + version + "]");
EncryptionArgv encArgv = new EncryptionArgv();
long times = 0;
try
{
Console.WriteLine("[*] Analysing arguments...\r\n");
encArgv.SetEncryptionArgvValue(args);
showArgvInfo(encArgv);
if (encArgv.ShowHelp)
{
showHelpInfo();
}
else if (encArgv.IsEncryption)
{
Console.Title = Console.Title + " - Encrypting...";
times = startEncryption(encArgv);
}
else
{
Console.Title = Console.Title + " - Decrypting...";
times = startDecryption(encArgv);
}
GC.Collect();
}
catch (NoFilePathException)
{
Console.WriteLine("\r\n[-] Please select the file(s).");
showHelpInfo();
}
catch (NoPasswordException)
{
Console.WriteLine("\r\n[-] Please set the password.");
showHelpInfo();
}
catch (CreateDirectoryError)
{
Console.WriteLine("\r\n[-] Could not create directory: '" + encArgv.OutPath + "' ");
showHelpInfo();
}
if (encArgv.IsEncryption)
{
Console.WriteLine("\r\n[*] Completed encryption. (" + times + "ms)");
}
else
{
Console.WriteLine("\r\n[*] Completed decryption. (" + times + "ms)");
}
taskExited = true;
Console.Title = "FFCrypt Core " + version;
if (encArgv.WaitForEnterKey)
{
Console.WriteLine("[*] Press Enter to exit this program...");
Console.ReadLine();
}
}
private static bool encryptionData(ref byte[] rawData, string path, int count, int maxCount, EncryptionArgv encArgv, Headers headerObj)
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
byte[] headerData = new byte[] { };
Console.Write(" + Enc(" + count.ToString() + "/" + maxCount.ToString() + "): " + path + " - ");
sw.Reset();
sw.Start();
if (encArgv.IsOriginalFile)
{
headerData = headerObj.MakeHeader(path, ref rawData);
}
encArgv.InitializeAesSalt();
bool success = Chipher.Aes.EncryptFile(path, encArgv, headerData, ref rawData);
sw.Stop();
if (success)
{
Console.WriteLine("(Done: " + sw.ElapsedMilliseconds.ToString() + "ms)");
}
return(success);
}
private static long startEncryption(EncryptionArgv encArgv)
{
bool isFolderCompress = encArgv.EncFileInfo.IsCompressedZipFile;
encArgv.EncFileInfo.IsCompressedZipFile = false;
Headers headerObj = new Headers(encArgv);
byte[] rawData = null;
var swAll = new System.Diagnostics.Stopwatch();
encArgv.InitializeAesSalt();
Console.WriteLine("\r\n[*] Starting file encryption...");
int count = 0;
int maxCount = encArgv.PathList.Length;
if (isFolderCompress)
{
maxCount += +encArgv.FolderPathList.Length;
}
swAll.Reset();
swAll.Start();
// File List
foreach (string pathData in encArgv.PathList)
{
if (cancelFlag)
{
Console.WriteLine("\r\n\r\n[!] Encryption is canceled.");
break;
}
count++;
try
{
rawData = readAllFile(pathData);
}
catch (Exception ex)
{
Console.WriteLine("\r\n - Failed: " + ex.Message);
continue;
}
encryptionData(ref rawData, pathData, count, maxCount, encArgv, headerObj);
}
encArgv.EncFileInfo.IsCompressedZipFile = isFolderCompress;
// FolderList
if (!cancelFlag & encArgv.EncFileInfo.IsCompressedZipFile)
{
headerObj = new Headers(encArgv);
foreach (string pathData in encArgv.FolderPathList)
{
try
{
if (cancelFlag)
{
Console.WriteLine("\r\n\r\n[!] Encryption is canceled.");
break;
}
count++;
string path = pathData;
Console.Write(" + Compressing Folder: " + path + " - ");
string zipPath = "";
rawData = makeAndReadZipData(pathData, out zipPath, encArgv);
Console.WriteLine("(Done.)");
path = zipPath;
bool success = encryptionData(ref rawData, path, count, maxCount, encArgv, headerObj);
if (encArgv.NeedDeleteFile & success)
{
try
{
if (encArgv.NeedFillDeleteFile)
{
Console.Write(" - Info: Filling up 0x00 data in folder... - ");
foreach (string filePath in Directory.EnumerateFiles(pathData, "*", SearchOption.AllDirectories))
{
IOObject.DeleteFileEx(filePath, encArgv.NeedFillDeleteFile, false);
}
Console.WriteLine("(Done.)");
}
IOObject.DeleteDirectory(pathData);
} catch (Exception ex)
{
Console.WriteLine("\r\n - Failed: " + ex.Message + "\r\n");
}
}
}
catch (Exception ex)
{
Console.WriteLine("\r\n - Failed: " + ex.Message);
}
}
}
swAll.Stop();
return(swAll.ElapsedMilliseconds);
}
public static EncryptionArgv ReadHeaderAndMakeEncryptionArgv(string path, EncryptionArgv encArgv)
{
return(encArgv);
}
public bool MakeEncArgv(ref byte[] rawData, ref EncryptionArgv encArgv)
{
// Get Header size and Data size
EncryptionFileInfo efi = new EncryptionFileInfo();
byte[] headerSizeBytes = new byte[4];
byte[] dataSizeBytes = new byte[8];
Buffer.BlockCopy(rawData, 4, headerSizeBytes, 0, 4);
Buffer.BlockCopy(rawData, 8, dataSizeBytes, 0, 8);
int headerSize = BitConverter.ToInt32(headerSizeBytes, 0);
long dataSizeL = BitConverter.ToInt64(dataSizeBytes, 0);
if (int.MaxValue < dataSizeL)
{
return(false);
}
int dataSize = (int)dataSizeL;
byte[] headerRawBytes = new byte[headerSize];
efi.FileData = new byte[dataSize];
Buffer.BlockCopy(rawData, 80, headerRawBytes, 0, headerRawBytes.Length);
Buffer.BlockCopy(rawData, 80 + headerRawBytes.Length, efi.FileData, 0, efi.FileData.Length);
// Decrypt header data
byte[] headerBytes = Chipher.Aes.DecryptData(ref headerRawBytes, encArgv.PrivatePassword, MakeDefaultAes());
headerRawBytes = null;
// Read binary header data
efi.IsAesMode = BitConverter.ToBoolean(headerBytes, 0);
if (efi.IsAesMode)
{
encArgv.AesInfo.Mode = (CipherMode)(int)headerBytes[1];
encArgv.AesInfo.BlockSize = (int)headerBytes[2] + 1;
encArgv.AesInfo.KeySize = (int)headerBytes[3] + 1;
encArgv.AesInfo.Padding = (PaddingMode)(int)headerBytes[4];
}
efi.IsCompressedZipFile = BitConverter.ToBoolean(headerBytes, 5);
efi.FileNotContentIndexed = BitConverter.ToBoolean(headerBytes, 10);
efi.FileOffline = BitConverter.ToBoolean(headerBytes, 11);
efi.FileReadOnly = BitConverter.ToBoolean(headerBytes, 12);
efi.FileHidden = BitConverter.ToBoolean(headerBytes, 13);
efi.FileArchive = BitConverter.ToBoolean(headerBytes, 14);
efi.FileSystem = BitConverter.ToBoolean(headerBytes, 15);
Buffer.BlockCopy(headerBytes, 16, efi.MD5FileHash, 0, efi.MD5FileHash.Length);
// Read string header data
byte[] strHeaderRaw = new byte[headerBytes.Length - 32];
Buffer.BlockCopy(headerBytes, 32, strHeaderRaw, 0, strHeaderRaw.Length);
string[] strHeader = Encoding.UTF8.GetString(strHeaderRaw).Split('|');
efi.FilePath = strHeader[0];
efi.FileName = Path.GetFileName(strHeader[0]);
efi.FileExtension = Path.GetExtension(strHeader[0]);
efi.FileNameWithoutExtension = Path.GetFileNameWithoutExtension(strHeader[0]);
efi.FileDirectory = Path.GetDirectoryName(strHeader[0]);
efi.CreationTime = DateTime.Parse(strHeader[1]);
efi.LastWriteTime = DateTime.Parse(strHeader[2]);
efi.LastAccessTime = DateTime.Parse(strHeader[3]);
encArgv.SetFileInfo(efi);
return(true);
}